314 files changed, 15605 insertions, 0 deletions
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-0-1.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-0-1.js
new file mode 100644
index 000000000..52c9cd36b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-0-1.js
@@ -0,0 +1,34 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+
+ES5Harness.registerTest( {
+id: "15.2.3.5-0-1",
+
+path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-0-1.js",
+
+description: "Object.create must exist as a function",
+
+test: function testcase() {
+  if (typeof(Object.create) === "function") {
+    return true;
+  }
+ }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-0-2.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-0-2.js
new file mode 100644
index 000000000..7290efa5e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-0-2.js
@@ -0,0 +1,38 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+
+ES5Harness.registerTest( {
+id: "15.2.3.5-0-2",
+
+path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-0-2.js",
+
+description: "Object.create must exist as a function taking 2 parameters",
+
+test: function testcase() {
+  if (Object.create.length === 2) {
+    return true;
+  }
+ },
+
+precondition: function prereq() {
+  return fnExists(Object.create);
+ }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-1.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-1.js
new file mode 100644
index 000000000..f9762bafd
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-1.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-1-1",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-1.js",
+
+    description: "Object.create throws TypeError if 'O' is undefined",
+
+    test: function testcase() {
+
+        try {
+            Object.create(undefined);
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-2.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-2.js
new file mode 100644
index 000000000..d16e12056
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-2.js
@@ -0,0 +1,41 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-1-2",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-2.js",
+
+    description: "Object.create TypeError is not thrown if 'O' is null",
+
+    test: function testcase() {
+        try {
+            Object.create(null);
+            return true;
+        } catch (e) {
+            return false;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-3.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-3.js
new file mode 100644
index 000000000..8a3ff7340
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-3.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-1-3",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-3.js",
+
+    description: "Object.create throws TypeError if 'O' is a boolean primitive",
+
+    test: function testcase() {
+
+        try {
+            Object.create(true);
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-4.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-4.js
new file mode 100644
index 000000000..a05069527
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-4.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-1-4",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1-4.js",
+
+    description: "Object.create throws TypeError if 'O' is a number primitive",
+
+    test: function testcase() {
+
+        try {
+            Object.create(2);
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1.js
new file mode 100644
index 000000000..0064f2d35
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1.js
@@ -0,0 +1,43 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+
+ES5Harness.registerTest( {
+id: "15.2.3.5-1",
+
+path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-1.js",
+
+description: "Object.create throws TypeError if type of first param is not Object",
+
+test: function testcase() {
+    try {
+      Object.create(0);
+    }
+    catch (e) {
+      if (e instanceof TypeError) {
+        return true;
+      }
+    }
+ },
+
+precondition: function prereq() {
+  return fnExists(Object.create);
+ }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-2-1.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-2-1.js
new file mode 100644
index 000000000..9322aa829
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-2-1.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+/*
+create sets the [[Prototype]] of the created object to first parameter.
+This can be checked using isPrototypeOf, or getPrototypeOf.
+*/
+
+ES5Harness.registerTest( {
+id: "15.2.3.5-2-1",
+
+path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-2-1.js",
+
+description: "Object.create creates new Object",
+
+test: function testcase() {
+    function base() {}
+    var b = new base();
+    var prop = new Object();
+    var d = Object.create(b);
+
+    if (typeof d === 'object') {
+      return true;
+    }
+ },
+
+precondition: function prereq() {
+  return fnExists(Object.create) && fnExists(Object.getPrototypeOf);
+ }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-2-2.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-2-2.js
new file mode 100644
index 000000000..39b6b28a3
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-2-2.js
@@ -0,0 +1,38 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-2-2",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-2-2.js",
+
+    description: "Object.create - returned object is an instance of Object",
+
+    test: function testcase() {
+
+        var newObj = Object.create({});
+        return newObj instanceof Object;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-3-1.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-3-1.js
new file mode 100644
index 000000000..120200ec4
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-3-1.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+/*
+create sets the [[Prototype]] of the created object to first parameter.
+This can be checked using isPrototypeOf, or getPrototypeOf.
+*/
+
+ES5Harness.registerTest( {
+id: "15.2.3.5-3-1",
+
+path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-3-1.js",
+
+description: "Object.create sets the prototype of the passed-in object",
+
+test: function testcase() {
+    function base() {}
+    var b = new base();
+    var d = Object.create(b);
+
+    if (Object.getPrototypeOf(d) === b &&
+        b.isPrototypeOf(d) === true) {
+      return true;
+    }
+ },
+
+precondition: function prereq() {
+  return fnExists(Object.create) && fnExists(Object.getPrototypeOf);
+ }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-1.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-1.js
new file mode 100644
index 000000000..58820f656
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-1.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+/*
+create sets the [[Prototype]] of the created object to first parameter.
+This can be checked using isPrototypeOf, or getPrototypeOf.
+*/
+
+ES5Harness.registerTest( {
+id: "15.2.3.5-4-1",
+
+path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-1.js",
+
+description: "Object.create sets the prototype of the passed-in object and adds new properties",
+
+test: function testcase() {
+    function base() {}
+    var b = new base();
+    var prop = new Object();
+    var d = Object.create(b,{ "x": {value: true,writable: false},
+                              "y": {value: "str",writable: false} });
+
+    if (Object.getPrototypeOf(d) === b &&
+        b.isPrototypeOf(d) === true &&
+        d.x === true &&
+        d.y === "str" &&
+        b.x === undefined &&
+        b.y === undefined) {
+      return true;
+    }
+ },
+
+precondition: function prereq() {
+  return fnExists(Object.create) && fnExists(Object.getPrototypeOf);
+ }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-10.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-10.js
new file mode 100644
index 000000000..e039d31da
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-10.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-10",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-10.js",
+
+    description: "Object.create - argument 'Properties' is the Math object (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        var result = false;
+        Object.defineProperty(Math, "prop", {
+            get: function () {
+                result = (this === Math);
+                return {};
+            },
+            enumerable: true,
+            configurable: true
+        });
+
+        try {
+            var newObj = Object.create({}, Math);
+            return result && newObj.hasOwnProperty("prop");
+        } finally {
+            delete Math.prop;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-100.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-100.js
new file mode 100644
index 000000000..7104f51b9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-100.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-100",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-100.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is not present (8.10.5 step 4)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                value: "ownDataProperty"
+            }
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-101.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-101.js
new file mode 100644
index 000000000..78d46a65f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-101.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-101",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-101.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is own data property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: false
+            }
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-102.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-102.js
new file mode 100644
index 000000000..724c7696a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-102.js
@@ -0,0 +1,54 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-102",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-102.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is an inherited data property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+       
+        var proto = {
+            configurable: true
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-103.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-103.js
new file mode 100644
index 000000000..691a08e31
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-103.js
@@ -0,0 +1,56 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-103",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-103.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is own data property that overrides an inherited data property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            configurable: true
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "configurable", {
+            value: false
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-104.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-104.js
new file mode 100644
index 000000000..8e381f02e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-104.js
@@ -0,0 +1,59 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-104",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-104.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is own data property that overrides an inherited accessor property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        Object.defineProperty(proto, "configurable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "configurable", {
+            value: false
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-105.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-105.js
new file mode 100644
index 000000000..b2d3ff714
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-105.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-105",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-105.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is own accessor property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = {};
+        Object.defineProperty(descObj, "configurable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-106.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-106.js
new file mode 100644
index 000000000..0138b8d66
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-106.js
@@ -0,0 +1,56 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-106",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-106.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is an inherited accessor property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "configurable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-107.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-107.js
new file mode 100644
index 000000000..aa80dff13
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-107.js
@@ -0,0 +1,58 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-107",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-107.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is own accessor property that overrides an inherited data property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            configurable: true
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "configurable", {
+            get: function () {
+                return false;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-108.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-108.js
new file mode 100644
index 000000000..40580af6c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-108.js
@@ -0,0 +1,61 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-108",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-108.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is own accessor property that overrides an inherited accessor property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        Object.defineProperty(proto, "configurable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "configurable", {
+            get: function () {
+                return false;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-109.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-109.js
new file mode 100644
index 000000000..5edf23316
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-109.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-109",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-109.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is own accessor property without a get function (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = {};
+        Object.defineProperty(descObj, "configurable", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-11.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-11.js
new file mode 100644
index 000000000..9eec60029
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-11.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-11",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-11.js",
+
+    description: "Object.create - argument 'Properties' is a Date object (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        var props = new Date();
+        var result = false;
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                result = this instanceof Date;
+                return {};
+            },
+            enumerable: true
+        });
+        var newObj = Object.create({}, props);
+        return result && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-110.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-110.js
new file mode 100644
index 000000000..0ff2ce92a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-110.js
@@ -0,0 +1,59 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-110",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-110.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is own accessor property without a get function, which overrides an inherited accessor property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        Object.defineProperty(proto, "configurable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "configurable", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-111.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-111.js
new file mode 100644
index 000000000..8f34fb83b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-111.js
@@ -0,0 +1,54 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-111",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-111.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is an inherited accessor property without a get function (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "configurable", {
+            set: function () { }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-112.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-112.js
new file mode 100644
index 000000000..ae0ca525d
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-112.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-112",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-112.js",
+
+    description: "Object.create - one property in 'Properties' is a Function object which implements its own [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = function () { };
+
+        descObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-113.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-113.js
new file mode 100644
index 000000000..9bebba1dd
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-113.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-113",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-113.js",
+
+    description: "Object.create - one property in 'Properties' is an Array object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = [];
+
+        descObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-114.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-114.js
new file mode 100644
index 000000000..11e2a90ff
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-114.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-114",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-114.js",
+
+    description: "Object.create - one property in 'Properties' is a String object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = new String();
+
+        descObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-115.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-115.js
new file mode 100644
index 000000000..08d50b6bf
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-115.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-115",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-115.js",
+
+    description: "Object.create - one property in 'Properties' is a Boolean object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = new Boolean(false);
+
+        descObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-116.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-116.js
new file mode 100644
index 000000000..f401ab118
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-116.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-116",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-116.js",
+
+    description: "Object.create - one property in 'Properties' is a Number object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = new Number(-9);
+
+        descObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-117.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-117.js
new file mode 100644
index 000000000..b363d2945
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-117.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-117",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-117.js",
+
+    description: "Object.create - one property in 'Properties' is the Math object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        try {
+            Math.configurable = true;
+
+            var newObj = Object.create({}, {
+                prop: Math
+            });
+
+            var result1 = newObj.hasOwnProperty("prop");
+            delete newObj.prop;
+            var result2 = newObj.hasOwnProperty("prop");
+
+            return result1 === true && result2 === false;
+        } finally {
+            delete Math.configurable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-118.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-118.js
new file mode 100644
index 000000000..8b186d57b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-118.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-118",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-118.js",
+
+    description: "Object.create - one property in 'Properties' is a Date object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = new Date();
+
+        descObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-119.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-119.js
new file mode 100644
index 000000000..535a0ed18
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-119.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-119",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-119.js",
+
+    description: "Object.create - one property in 'Properties' is a Date object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = new RegExp();
+
+        descObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-12.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-12.js
new file mode 100644
index 000000000..9e6bbea3a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-12.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-12",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-12.js",
+
+    description: "Object.create - argument 'Properties' is a RegExp object (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        var props = new RegExp();
+        var result = false;
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                result = this instanceof RegExp;
+                return {};
+            },
+            enumerable: true
+        });
+        var newObj = Object.create({}, props);
+        return result && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-120.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-120.js
new file mode 100644
index 000000000..ecd606122
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-120.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-120",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-120.js",
+
+    description: "Object.create - one property in 'Properties' is the JSON object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        try {
+            JSON.configurable = true;
+
+            var newObj = Object.create({}, {
+                prop: JSON 
+            });
+
+            var result1 = newObj.hasOwnProperty("prop");
+            delete newObj.prop;
+            var result2 = newObj.hasOwnProperty("prop");
+
+            return result1 === true && result2 === false;
+        } finally {
+            delete JSON.configurable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-121.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-121.js
new file mode 100644
index 000000000..0a8a7b96c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-121.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-121",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-121.js",
+
+    description: "Object.create - one property in 'Properties' is an Error object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var descObj = new Error();
+
+        descObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-122.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-122.js
new file mode 100644
index 000000000..037e51d93
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-122.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-122",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-122.js",
+
+    description: "Object.create - one property in 'Properties' is an Arguments object which implements its own [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        var argObj = (function () { return arguments; })();
+
+        argObj.configurable = true;
+
+        var newObj = Object.create({}, {
+            prop: argObj
+        });
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-124.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-124.js
new file mode 100644
index 000000000..a6f9f4527
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-124.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-124",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-124.js",
+
+    description: "Object.create - one property in 'Properties' is the global object that uses Object's [[Get]] method to access the 'configurable' property (8.10.5 step 4.a)",
+
+    test: function testcase() {
+
+        try {
+            fnGlobalObject().configurable = true;
+
+            var newObj = Object.create({}, {
+                prop: fnGlobalObject() 
+            });
+
+            var result1 = newObj.hasOwnProperty("prop");
+            delete newObj.prop;
+            var result2 = newObj.hasOwnProperty("prop");
+
+            return result1 === true && result2 === false;
+        } finally {
+            delete fnGlobalObject().configurable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-125.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-125.js
new file mode 100644
index 000000000..08b761019
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-125.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-125",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-125.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is undefined (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: undefined
+            }
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-126.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-126.js
new file mode 100644
index 000000000..5ba1ded89
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-126.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-126",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-126.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is null (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: null
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-127.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-127.js
new file mode 100644
index 000000000..ad1a711e0
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-127.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-127",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-127.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is true (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: true
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-128.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-128.js
new file mode 100644
index 000000000..6212b57d7
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-128.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-128",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-128.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is false (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: false
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-129.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-129.js
new file mode 100644
index 000000000..01ad4515c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-129.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-129",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-129.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is 0 (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: 0
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-13.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-13.js
new file mode 100644
index 000000000..83d42a995
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-13.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-13",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-13.js",
+
+    description: "Object.create - argument 'Properties' is the JSON object (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        var result = false;
+
+        Object.defineProperty(JSON, "prop", {
+            get: function () {
+                result = (this === JSON);
+                return {};
+            },
+            enumerable: true,
+            configurable: true
+        });
+
+        try {
+            var newObj = Object.create({}, JSON);
+            return result && newObj.hasOwnProperty("prop");
+        } finally {
+            delete JSON.prop;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-130.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-130.js
new file mode 100644
index 000000000..ee08f5b34
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-130.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-130",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-130.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is +0 (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: +0
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-131.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-131.js
new file mode 100644
index 000000000..32c87a5e5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-131.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-131",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-131.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is -0 (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: -0
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-132.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-132.js
new file mode 100644
index 000000000..02027baa1
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-132.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-132",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-132.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is NaN (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: NaN
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-133.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-133.js
new file mode 100644
index 000000000..aac60fa10
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-133.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-133",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-133.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a positive number (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: 123
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-134.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-134.js
new file mode 100644
index 000000000..2ca8b4ce0
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-134.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-134",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-134.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a negative number (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: -123
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-135.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-135.js
new file mode 100644
index 000000000..5fdce5b55
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-135.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-135",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-135.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is an empty string (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: ""
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-136.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-136.js
new file mode 100644
index 000000000..75d5d0876
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-136.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-136",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-136.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a non-empty string (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: "abc"
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-137.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-137.js
new file mode 100644
index 000000000..335499304
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-137.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-137",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-137.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a Function object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: function () { }
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-138.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-138.js
new file mode 100644
index 000000000..c96b17d84
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-138.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-138",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-138.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is an Array object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: []
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-139.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-139.js
new file mode 100644
index 000000000..e245964b5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-139.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-139",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-139.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a String object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: new String("abc")
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-14.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-14.js
new file mode 100644
index 000000000..6d0321a7e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-14.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-14",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-14.js",
+
+    description: "Object.create - argument 'Properties' is an Error object (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        var props = new Error("test");
+        var result = false;
+
+        (Object.getOwnPropertyNames(props)).forEach(function(name){
+            props[name] = {value:11, configurable:true}
+        });
+
+        Object.defineProperty(props, "prop15_2_3_5_4_14", {
+            get: function () {
+                result = this instanceof Error;
+                return {};
+            },
+            enumerable: true
+        });
+        var newObj = Object.create({}, props);
+        return result && newObj.hasOwnProperty("prop15_2_3_5_4_14");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty) && fnExists(Array.prototype.forEach) && fnExists(Object.getOwnPropertyNames);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-140.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-140.js
new file mode 100644
index 000000000..0d30c5bcc
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-140.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-140",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-140.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a Boolean object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: new Boolean(true)
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-141.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-141.js
new file mode 100644
index 000000000..a04caa4cc
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-141.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-141",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-141.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a Number object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: new Number(123)
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-142.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-142.js
new file mode 100644
index 000000000..705e848d3
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-142.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-142",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-142.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is the Math object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: Math
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-143.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-143.js
new file mode 100644
index 000000000..54befd6f0
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-143.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-143",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-143.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a Date object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: new Date()
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-144.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-144.js
new file mode 100644
index 000000000..5a5d4f05d
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-144.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-144",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-144.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a RegExp object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: new RegExp()
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-145.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-145.js
new file mode 100644
index 000000000..500b66df0
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-145.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-145",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-145.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is the JSON object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: JSON
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-146.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-146.js
new file mode 100644
index 000000000..8165d108f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-146.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-146",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-146.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is an Error object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: new Error()
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-147.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-147.js
new file mode 100644
index 000000000..27fe67f03
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-147.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-147",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-147.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is an Arguments object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var argObj = (function () { return arguments; })();
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: argObj
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-149.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-149.js
new file mode 100644
index 000000000..4753b0185
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-149.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-149",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-149.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is the global object (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: fnGlobalObject()
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-15.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-15.js
new file mode 100644
index 000000000..aa13266fa
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-15.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-15",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-15.js",
+
+    description: "Object.create - argument 'Properties' is the Aguments object (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        var result = false;
+
+        var argObj = (function () { return arguments; })();
+
+        Object.defineProperty(argObj, "prop", {
+            get: function () {
+                result = ('[object Arguments]' === Object.prototype.toString.call(this));
+                return {};
+            },
+            enumerable: true
+        });
+
+        var newObj = Object.create({}, argObj);
+        return result && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-150.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-150.js
new file mode 100644
index 000000000..e493ace73
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-150.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-150",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-150.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is a string (value is 'false') which is treated as the value true (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: "false"
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-151.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-151.js
new file mode 100644
index 000000000..94e3c11d2
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-151.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-151",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-151.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is new Boolean(false) which is treated as the value true (8.10.5 step 4.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: new Boolean(false)
+            }
+        });
+
+        var beforeDeleted = newObj.hasOwnProperty("prop");
+
+        delete newObj.prop;
+
+        var afterDeleted = newObj.hasOwnProperty("prop");
+
+        return beforeDeleted === true && afterDeleted === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-152.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-152.js
new file mode 100644
index 000000000..2135e62f2
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-152.js
@@ -0,0 +1,43 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-152",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-152.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is present (8.10.5 step 5)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                value: 100
+            }
+        });
+
+        return newObj.prop === 100;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-153.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-153.js
new file mode 100644
index 000000000..476a68435
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-153.js
@@ -0,0 +1,41 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-153",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-153.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is not present (8.10.5 step 5)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {}
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-154.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-154.js
new file mode 100644
index 000000000..147fed6da
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-154.js
@@ -0,0 +1,43 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-154",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-154.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is own data property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                value: "ownDataProperty"
+            }
+        });
+
+        return newObj.prop === "ownDataProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-155.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-155.js
new file mode 100644
index 000000000..f066ca65a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-155.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-155",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-155.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is an inherited data property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            value: "inheritedDataProperty"
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "inheritedDataProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-156.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-156.js
new file mode 100644
index 000000000..3f1db645e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-156.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-156",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-156.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is own data property that overrides an inherited data property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            value: "inheritedDataProperty"
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        descObj.value = "ownDataProperty";
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "ownDataProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-157.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-157.js
new file mode 100644
index 000000000..6128b1478
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-157.js
@@ -0,0 +1,60 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-157",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-157.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is own data property that overrides an inherited accessor property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "value", {
+            get: function () {
+                return "inheritedAccessorProperty";
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "value", {
+            get: function () {
+                return "ownDataProperty";
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "ownDataProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-158.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-158.js
new file mode 100644
index 000000000..c9feb4634
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-158.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-158",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-158.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is own accessor property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var descObj = {};
+
+        Object.defineProperty(descObj, "value", {
+            get: function () {
+                return "ownAccessorProperty";
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "ownAccessorProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-159.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-159.js
new file mode 100644
index 000000000..aa4ccc065
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-159.js
@@ -0,0 +1,54 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-159",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-159.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is an inherited accessor property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "value", {
+            get: function () {
+                return "inheritedAccessorProperty";
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "inheritedAccessorProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-16.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-16.js
new file mode 100644
index 000000000..137411018
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-16.js
@@ -0,0 +1,40 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-16",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-16.js",
+
+    description: "Object.create - own enumerable data property in 'Properties' is defined in 'obj' (15.2.3.7 step 3)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {} 
+        });
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-160.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-160.js
new file mode 100644
index 000000000..47ba1782d
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-160.js
@@ -0,0 +1,56 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-160",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-160.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is own accessor property that overrides an inherited data property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            value: "inheritedDataProperty"
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "value", {
+            get: function () {
+                return "ownAccessorProperty";
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "ownAccessorProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-161.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-161.js
new file mode 100644
index 000000000..fb944649e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-161.js
@@ -0,0 +1,60 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-161",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-161.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is own accessor property that overrides an inherited accessor property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "value", {
+            get: function () {
+                return "inheritedAccessorProperty";
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "value", {
+            get: function () {
+                return "ownAccessorProperty";
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "ownAccessorProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-162.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-162.js
new file mode 100644
index 000000000..bdfc30197
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-162.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-162",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-162.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is own accessor property without a get function (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var descObj = {};
+
+        Object.defineProperty(descObj, "value", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-163.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-163.js
new file mode 100644
index 000000000..56d4b06d5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-163.js
@@ -0,0 +1,58 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-163",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-163.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is own accessor property without a get function, which overrides an inherited accessor property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "value", {
+            get: function () {
+                return "inheritedAccessorProperty";
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "value", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-164.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-164.js
new file mode 100644
index 000000000..0d586ea60
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-164.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-164",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-164.js",
+
+    description: "Object.create - 'value' property of one property in 'Properties' is an inherited accessor property without a get function (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "value", {
+            set: function () { }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-165.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-165.js
new file mode 100644
index 000000000..3a7f5bc67
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-165.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-165",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-165.js",
+
+    description: "Object.create - one property in 'Properties' is a Function object which implements its own [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var Func = function (a, b) {
+            return a + b;
+        };
+
+        var fun = new Func();
+        fun.value = "FunValue";
+
+        var newObj = Object.create({}, {
+            prop: fun
+        });
+        return newObj.prop === "FunValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-166.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-166.js
new file mode 100644
index 000000000..1a20caf87
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-166.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-166",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-166.js",
+
+    description: "Object.create - one property in 'Properties' is an Array object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var arr = [1, 2, 3];
+
+        arr.value = "ArrValue";
+
+        var newObj = Object.create({}, {
+            prop: arr
+        });
+
+        return newObj.prop === "ArrValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-167.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-167.js
new file mode 100644
index 000000000..21936355b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-167.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-167",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-167.js",
+
+    description: "Object.create - one property in 'Properties' is a String object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var str = new String("abc");
+
+        str.value = "StrValue";
+
+        var newObj = Object.create({}, {
+            prop: str
+        });
+
+        return newObj.prop === "StrValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-168.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-168.js
new file mode 100644
index 000000000..e8a53c4ee
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-168.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-168",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-168.js",
+
+    description: "Object.create - one property in 'Properties' is a Boolean object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var booleanObj = new Boolean(false);
+
+        booleanObj.value = "BooleanValue";
+
+        var newObj = Object.create({}, {
+            prop: booleanObj
+        });
+
+        return newObj.prop === "BooleanValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-169.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-169.js
new file mode 100644
index 000000000..574217c52
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-169.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-169",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-169.js",
+
+    description: "Object.create - one property in 'Properties' is a Number object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var numObj = new Number(123);
+
+        numObj.value = "NumValue";
+
+        var newObj = Object.create({}, {
+            prop: numObj
+        });
+
+        return newObj.prop === "NumValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-17.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-17.js
new file mode 100644
index 000000000..f38057c6b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-17.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-17",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-17.js",
+
+    description: "Object.create - own data property in 'Properties' which is not enumerable is not defined in 'obj' (15.2.3.7 step 3)",
+
+    test: function testcase() {
+
+        var props = {};
+        Object.defineProperty(props, "prop", {
+            value: {},
+            enumerable: false
+        });
+        var newObj = Object.create({}, props);
+
+        return !newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-170.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-170.js
new file mode 100644
index 000000000..9997529df
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-170.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-170",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-170.js",
+
+    description: "Object.create - one property in 'Properties' is the Math object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        try {
+            Math.value = "MathValue";
+
+            var newObj = Object.create({}, {
+                prop: Math
+            });
+
+            return newObj.prop === "MathValue";
+        } finally {
+            delete Math.value;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-171.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-171.js
new file mode 100644
index 000000000..301158c24
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-171.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-171",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-171.js",
+
+    description: "Object.create - one property in 'Properties' is a Date object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var dateObj = new Date();
+
+        dateObj.value = "DateValue";
+
+        var newObj = Object.create({}, {
+            prop: dateObj
+        });
+
+        return newObj.prop === "DateValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-172.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-172.js
new file mode 100644
index 000000000..b2b18dbe0
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-172.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-172",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-172.js",
+
+    description: "Object.create - one property in 'Properties' is a RegExp object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var regObj = new RegExp();
+
+        regObj.value = "RegExpValue";
+
+        var newObj = Object.create({}, {
+            prop: regObj
+        });
+
+        return newObj.prop === "RegExpValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-173.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-173.js
new file mode 100644
index 000000000..96afce390
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-173.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-173",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-173.js",
+
+    description: "Object.create - one property in 'Properties' is the JSON object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        try {
+            JSON.value = "JSONValue";
+
+            var newObj = Object.create({}, {
+                prop: JSON
+            });
+
+            return newObj.prop === "JSONValue";
+        } finally {
+            delete JSON.value;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-174.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-174.js
new file mode 100644
index 000000000..df2d0ccce
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-174.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-174",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-174.js",
+
+    description: "Object.create - one property in 'Properties' is an Error object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var errorObj = new Error();
+
+        errorObj.value = "ErrorValue";
+
+        var newObj = Object.create({}, {
+            prop: errorObj
+        });
+
+        return newObj.prop === "ErrorValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-175.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-175.js
new file mode 100644
index 000000000..e2dd27913
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-175.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-175",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-175.js",
+
+    description: "Object.create - one property in 'Properties' is an Arguments object which implements its own [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        var argObj = (function () { return arguments; })();
+
+        argObj.value = "ArgValue";
+
+        var newObj = Object.create({}, {
+            prop: argObj
+        });
+
+        return newObj.prop === "ArgValue";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-177.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-177.js
new file mode 100644
index 000000000..8ba7cfe4e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-177.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-177",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-177.js",
+
+    description: "Object.create - one property in 'Properties' is the global object that uses Object's [[Get]] method to access the 'value' property (8.10.5 step 5.a)",
+
+    test: function testcase() {
+
+        try {
+            fnGlobalObject().value = "GlobalValue";
+
+            var newObj = Object.create({}, {
+                prop: fnGlobalObject()
+            });
+
+            return newObj.prop === "GlobalValue";
+        } finally {
+            delete fnGlobalObject().value;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-178.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-178.js
new file mode 100644
index 000000000..d70a5a6a9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-178.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-178",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-178.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is true (8.10.5 step 6)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: true
+            }
+        });
+
+        var beforeWrite = ((newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined"));
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-179.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-179.js
new file mode 100644
index 000000000..0f42f1063
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-179.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-179",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-179.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is not present (8.10.5 step 6)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                value: 100
+            }
+        });
+
+        var beforeWrite = (newObj.prop === 100);
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === 100);
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-18.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-18.js
new file mode 100644
index 000000000..c88421f2d
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-18.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-18",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-18.js",
+
+    description: "Object.create - an enumerable inherited data property in 'Properties' is not defined in 'obj' (15.2.3.7 step 3)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        proto.prop = {};
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+
+        var newObj = Object.create({}, child);
+
+        return !newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-180.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-180.js
new file mode 100644
index 000000000..2397280ef
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-180.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-180",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-180.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is own data property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: true
+            }
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-181.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-181.js
new file mode 100644
index 000000000..514401cc9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-181.js
@@ -0,0 +1,56 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-181",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-181.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is an inherited data property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            writable: true
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-182.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-182.js
new file mode 100644
index 000000000..209281c85
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-182.js
@@ -0,0 +1,58 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-182",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-182.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is own data property that overrides an inherited data property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            writable: false
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        descObj.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-183.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-183.js
new file mode 100644
index 000000000..82689a24c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-183.js
@@ -0,0 +1,64 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-183",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-183.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is own data property that overrides an inherited accessor property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "writable", {
+            get: function () {
+                return false;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "writable", {
+            value: true
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-184.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-184.js
new file mode 100644
index 000000000..06d2df08a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-184.js
@@ -0,0 +1,55 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-184",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-184.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is own accessor property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var descObj = {};
+
+        Object.defineProperty(descObj, "writable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-185.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-185.js
new file mode 100644
index 000000000..e3f56e542
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-185.js
@@ -0,0 +1,60 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-185",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-185.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is an inherited accessor property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "writable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-186.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-186.js
new file mode 100644
index 000000000..8a6196663
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-186.js
@@ -0,0 +1,62 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-186",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-186.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is own accessor property that overrides an inherited data property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            writable: false
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "writable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-187.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-187.js
new file mode 100644
index 000000000..9f2d2d904
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-187.js
@@ -0,0 +1,66 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-187",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-187.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is own accessor property that overrides an inherited accessor property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "writable", {
+            get: function () {
+                return false;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "writable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-188.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-188.js
new file mode 100644
index 000000000..1a36de596
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-188.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-188",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-188.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is own accessor property without a get function (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var descObj = { value: 100 };
+
+        Object.defineProperty(descObj, "writable", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.prop === 100);
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === 100);
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-189.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-189.js
new file mode 100644
index 000000000..2f5b971f4
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-189.js
@@ -0,0 +1,64 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-189",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-189.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is own accessor property without a get function, which overrides an inherited accessor property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "writable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "writable", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-19.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-19.js
new file mode 100644
index 000000000..274191c88
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-19.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-19",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-19.js",
+
+    description: "Object.create -  own enumerable accessor property in 'Properties' is defined in 'obj' (15.2.3.7 step 3)",
+
+    test: function testcase() {
+
+        var props = {};
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                return {};
+            },
+            enumerable: true
+        });
+
+        var newObj = Object.create({}, props);
+
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-190.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-190.js
new file mode 100644
index 000000000..1a0063408
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-190.js
@@ -0,0 +1,58 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-190",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-190.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is an inherited accessor property without a get function (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var proto = { value: 100 };
+
+        Object.defineProperty(proto, "writable", {
+            set: function () { }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var beforeWrite = (newObj.prop === 100);
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === 100);
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-191.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-191.js
new file mode 100644
index 000000000..16b21e2c9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-191.js
@@ -0,0 +1,54 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-191",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-191.js",
+
+    description: "Object.create - one property in 'Properties' is a Function object which implements its own [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var Func = function (a, b) {
+            return a + b;
+        };
+
+        var fun = new Func();
+        fun.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: fun
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-192.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-192.js
new file mode 100644
index 000000000..e4ca075c6
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-192.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-192",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-192.js",
+
+    description: "Object.create - one property in 'Properties' is an Array object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var array = [1, 2, 3];
+
+        array.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: array
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-193.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-193.js
new file mode 100644
index 000000000..13487414a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-193.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-193",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-193.js",
+
+    description: "Object.create - one property in 'Properties' is a String object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var str = new String("abc");
+
+        str.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: str
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-194.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-194.js
new file mode 100644
index 000000000..f9a165150
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-194.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-194",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-194.js",
+
+    description: "Object.create - one property in 'Properties' is a Boolean object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var booleanObj = new Boolean(false);
+
+        booleanObj.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: booleanObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-195.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-195.js
new file mode 100644
index 000000000..d696dee1d
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-195.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-195",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-195.js",
+
+    description: "Object.create - one property in 'Properties' is a Number object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var numObj = new Number(123);
+
+        numObj.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: numObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-196.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-196.js
new file mode 100644
index 000000000..f33c5da43
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-196.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-196",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-196.js",
+
+    description: "Object.create - one property in 'Properties' is the Math object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        try {
+            Math.writable = true;
+
+            var newObj = Object.create({}, {
+                prop: Math
+            });
+
+            var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+            newObj.prop = "isWritable";
+
+            var afterWrite = (newObj.prop === "isWritable");
+
+            return beforeWrite === true && afterWrite === true;
+        } finally {
+            delete Math.writable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-197.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-197.js
new file mode 100644
index 000000000..89ec94525
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-197.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-197",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-197.js",
+
+    description: "Object.create - one property in 'Properties' is a Date object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var dateObj = new Date();
+
+        dateObj.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: dateObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-198.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-198.js
new file mode 100644
index 000000000..c986d7587
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-198.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-198",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-198.js",
+
+    description: "Object.create - one property in 'Properties' is a RegExp object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var regObj = new RegExp();
+
+        regObj.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: regObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-199.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-199.js
new file mode 100644
index 000000000..0cc8853f8
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-199.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-199",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-199.js",
+
+    description: "Object.create - one property in 'Properties' is the JSON object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        try {
+            JSON.writable = true;
+
+            var newObj = Object.create({}, {
+                prop: JSON 
+            });
+
+            var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+            newObj.prop = "isWritable";
+
+            var afterWrite = (newObj.prop === "isWritable");
+
+            return beforeWrite === true && afterWrite === true;
+        } finally {
+            delete JSON.writable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-2.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-2.js
new file mode 100644
index 000000000..3a9c09011
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-2.js
@@ -0,0 +1,38 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-2",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-2.js",
+
+    description: "Object.create - 'Properties' is undefined",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, undefined);
+        return (newObj instanceof Object);
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-20.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-20.js
new file mode 100644
index 000000000..fd9054f1a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-20.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-20",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-20.js",
+
+    description: "Object.create - own accessor property in 'Properties' which is not enumerable is not defined in 'obj' (15.2.3.7 step 3)",
+
+    test: function testcase() {
+
+        var props = {};
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                return {};
+            },
+            enumerable: false
+        });
+
+        var newObj = Object.create({}, props);
+
+        return !newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-200.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-200.js
new file mode 100644
index 000000000..a9961666a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-200.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-200",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-200.js",
+
+    description: "Object.create - one property in 'Properties' is an Error object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var errorObj = new Error();
+
+        errorObj.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: errorObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-201.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-201.js
new file mode 100644
index 000000000..635bbcd74
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-201.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-201",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-201.js",
+
+    description: "Object.create - one property in 'Properties' is an Arguments object which implements its own [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        var argObj = (function () { return arguments; })();
+
+        argObj.writable = true;
+
+        var newObj = Object.create({}, {
+            prop: argObj
+        });
+
+        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+        newObj.prop = "isWritable";
+
+        var afterWrite = (newObj.prop === "isWritable");
+
+        return beforeWrite === true && afterWrite === true;
+
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-203.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-203.js
new file mode 100644
index 000000000..ef4d75810
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-203.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-203",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-203.js",
+
+    description: "Object.create - one property in 'Properties' is the global object that uses Object's [[Get]] method to access the 'writable' property (8.10.5 step 6.a)",
+
+    test: function testcase() {
+
+        try {
+            fnGlobalObject().writable = true;
+
+            var newObj = Object.create({}, {
+                prop: fnGlobalObject() 
+            });
+
+            var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");
+
+            newObj.prop = "isWritable";
+
+            var afterWrite = (newObj.prop === "isWritable");
+
+            return beforeWrite === true && afterWrite === true;
+        } finally {
+            delete fnGlobalObject().writable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-204.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-204.js
new file mode 100644
index 000000000..4d1650347
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-204.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-204",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-204.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is undefined (8.10.5 step 6.b)",
+
+    test: function testcase() {
+        var newObj = Object.create({}, {
+            prop: {
+                writable: undefined
+            }
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+
+        newObj.prop = 121;
+
+        return hasProperty && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-205.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-205.js
new file mode 100644
index 000000000..af3c2a0f8
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-205.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-205",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-205.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is null (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: null
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+
+        newObj.prop = 121;
+
+        return hasProperty && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-206.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-206.js
new file mode 100644
index 000000000..ffdeec539
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-206.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-206",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-206.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties'  is true (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: true
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-207.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-207.js
new file mode 100644
index 000000000..c97c71775
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-207.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-207",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-207.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is false (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: false
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+
+        newObj.prop = 121;
+
+        return hasProperty && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-208.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-208.js
new file mode 100644
index 000000000..d1e82ea41
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-208.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-208",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-208.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is 0 (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: 0
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+
+        newObj.prop = 121;
+
+        return hasProperty && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-209.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-209.js
new file mode 100644
index 000000000..b91f74417
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-209.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-209",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-209.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is +0 (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: +0
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+
+        newObj.prop = 121;
+
+        return hasProperty && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-21.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-21.js
new file mode 100644
index 000000000..bb081d982
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-21.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-21",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-21.js",
+
+    description: "Object.create - an enumerable inherited accessor property in 'Properties' is not defined in 'obj' (15.2.3.7 step 3)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "prop", {
+            get: function () {
+                return {};
+            },
+            enumerable: true
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+
+        var newObj = Object.create({}, child);
+
+        return !newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-210.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-210.js
new file mode 100644
index 000000000..dffa42320
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-210.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-210",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-210.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is -0 (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: -0
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+
+        newObj.prop = 121;
+
+        return hasProperty && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-211.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-211.js
new file mode 100644
index 000000000..b916530aa
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-211.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-211",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-211.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is NaN (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: NaN
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+
+        newObj.prop = 121;
+
+        return hasProperty && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-212.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-212.js
new file mode 100644
index 000000000..9a92b1623
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-212.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-212",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-212.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a positive number primitive (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: 12
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-213.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-213.js
new file mode 100644
index 000000000..8e3f6c1bb
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-213.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-213",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-213.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a negative number primitive (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: -9
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-214.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-214.js
new file mode 100644
index 000000000..abc2cfda1
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-214.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-214",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-214.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is an empty string (8.10.5 step 6.b)",
+
+    test: function testcase() {
+        var descObj = {
+            writable: ""
+        };
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+        var hasProperty = newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+
+        newObj.prop = 121;
+
+        return hasProperty && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-215.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-215.js
new file mode 100644
index 000000000..c29c881bf
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-215.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-215",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-215.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a non-empty string (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: "abc"
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-216.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-216.js
new file mode 100644
index 000000000..4518e50fb
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-216.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-216",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-216.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a Function object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: function () { }
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-217.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-217.js
new file mode 100644
index 000000000..ea6570fcf
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-217.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-217",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-217.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is an Array object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: []
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-218.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-218.js
new file mode 100644
index 000000000..80904c24c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-218.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-218",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-218.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a String object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: new String()
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-219.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-219.js
new file mode 100644
index 000000000..f4617e53c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-219.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-219",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-219.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a Boolean object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: new Boolean()
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-22.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-22.js
new file mode 100644
index 000000000..085283736
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-22.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-22",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-22.js",
+
+    description: "Object.create -  own enumerable data property that overrides an enumerable inherited data property in 'Properties' is defined in 'obj' (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        proto.prop = {
+            value: "abc"
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var child = new ConstructFun();
+        child.prop = {
+            value: "bbq"
+        };
+        var newObj = Object.create({}, child);
+
+        return newObj.hasOwnProperty("prop") && newObj.prop === "bbq";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-220.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-220.js
new file mode 100644
index 000000000..84e9a3d94
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-220.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-220",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-220.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a Number object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: new Number()
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-221.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-221.js
new file mode 100644
index 000000000..5024190e7
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-221.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-221",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-221.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is the Math object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: Math
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-222.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-222.js
new file mode 100644
index 000000000..28467c12e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-222.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-222",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-222.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a Date object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: new Date()
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-223.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-223.js
new file mode 100644
index 000000000..2b298c7cd
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-223.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-223",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-223.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a RegExp object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: new RegExp()
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-224.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-224.js
new file mode 100644
index 000000000..ae4ea094e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-224.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-224",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-224.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is the JSON object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: JSON
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+        newObj.prop = 121;
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-225.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-225.js
new file mode 100644
index 000000000..cc0622298
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-225.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-225",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-225.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is an Error object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: new Error()
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+        newObj.prop = 121;
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-226.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-226.js
new file mode 100644
index 000000000..e4d381ceb
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-226.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-226",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-226.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is an Arguments object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var argObj = (function () { return arguments; })();
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: argObj
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-228.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-228.js
new file mode 100644
index 000000000..504ff2d7c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-228.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-228",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-228.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is the global object (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: fnGlobalObject()
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-229.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-229.js
new file mode 100644
index 000000000..c7cc62339
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-229.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-229",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-229.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is a string (value is 'false') which is treated as the value true (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: "false"
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-23.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-23.js
new file mode 100644
index 000000000..042073c15
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-23.js
@@ -0,0 +1,57 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-23",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-23.js",
+
+    description: "Object.create - own enumerable data property that overrides an enumerable inherited accessor property in 'Properties' is defined in 'obj' (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        Object.defineProperty(proto, "prop", {
+            get: function () {
+                return { value: 9 };
+            },
+            enumerable: true
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var child = new ConstructFun();
+        Object.defineProperty(child, "prop", {
+            value: {
+                value: 12
+            },
+            enumerable: true
+        });
+        var newObj = Object.create({}, child);
+
+        return newObj.hasOwnProperty("prop") && newObj.prop === 12;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-230.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-230.js
new file mode 100644
index 000000000..a814e0d9f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-230.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-230",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-230.js",
+
+    description: "Object.create - 'writable' property of one property in 'Properties' is new Boolean(false) which is treated as the value true (8.10.5 step 6.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                writable: new Boolean(false)
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 121;
+
+        return hasProperty && newObj.prop === 121;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-231.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-231.js
new file mode 100644
index 000000000..5fd79c898
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-231.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-231",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-231.js",
+
+    description: "Object.create - 'get'  property of one property in 'Properties' is present (8.10.5 step 7)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                get: function () {
+                    return "present";
+                }
+            }
+        });
+        return newObj.prop === "present";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-232.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-232.js
new file mode 100644
index 000000000..c3c4d2be8
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-232.js
@@ -0,0 +1,40 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-232",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-232.js",
+
+    description: "Object.create - 'get'  property of one property in 'Properties' is not present (8.10.5 step 7)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {}
+        });
+        return typeof (newObj.prop) === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-233.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-233.js
new file mode 100644
index 000000000..d0f641278
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-233.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-233",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-233.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is own data property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                get: function () {
+                    return "ownDataProperty";
+                }
+            }
+        });
+        return newObj.prop === "ownDataProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-234.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-234.js
new file mode 100644
index 000000000..233d47a0a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-234.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-234",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-234.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is an inherited data property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            get: function () {
+                return "inheritedDataProperty";
+            }
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "inheritedDataProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-235.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-235.js
new file mode 100644
index 000000000..4c91b5d76
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-235.js
@@ -0,0 +1,58 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-235",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-235.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is own data property that overrides an inherited data property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+
+        var proto = {
+            get: function () {
+                return "inheritedDataProperty";
+            }
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "get", {
+            value: function () {
+                return "ownDataProperty";
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "ownDataProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-236.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-236.js
new file mode 100644
index 000000000..f35677ae4
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-236.js
@@ -0,0 +1,61 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-236",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-236.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is own data property that overrides an inherited accessor property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "get", {
+            get: function () {
+                return function () {
+                    return "inheritedAccessorProperty";
+                };
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "get", {
+            value: function () {
+                return "ownDataProperty";
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "ownDataProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-237.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-237.js
new file mode 100644
index 000000000..97b0fd7f8
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-237.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-237",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-237.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is own accessor property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+
+        var descObj = {};
+
+        Object.defineProperty(descObj, "get", {
+            get: function () {
+                return function () {
+                    return "ownAccessorProperty";
+                };
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        return newObj.prop === "ownAccessorProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-238.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-238.js
new file mode 100644
index 000000000..5df125d52
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-238.js
@@ -0,0 +1,55 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-238",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-238.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is an inherited accessor property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+
+        Object.defineProperty(proto, "get", {
+            get: function () {
+                return function () {
+                    return "inheritedAccessorProperty";
+                };
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        return newObj.prop === "inheritedAccessorProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-239.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-239.js
new file mode 100644
index 000000000..93ba74b4c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-239.js
@@ -0,0 +1,58 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-239",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-239.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is own accessor property that overrides an inherited data property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var proto = {
+            get: function () {
+                return "inheritedDataProperty";
+            }
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "get", {
+            get: function () {
+                return function () {
+                    return "ownAccessorProperty";
+                };
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        return newObj.prop === "ownAccessorProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-24.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-24.js
new file mode 100644
index 000000000..39e858d9a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-24.js
@@ -0,0 +1,57 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-24",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-24.js",
+
+    description: "Object.create - own enumerable accessor property that overrides an enumerable inherited data property in 'Properties' is defined in 'obj' (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        proto.prop = {
+            value: 12
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var child = new ConstructFun();
+        Object.defineProperty(child, "prop", {
+            get: function () {
+                return {
+                    value: 9
+                };
+            },
+            enumerable: true
+        });
+
+        var newObj = Object.create({}, child);
+
+        return newObj.hasOwnProperty("prop") && newObj.prop === 9;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-240.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-240.js
new file mode 100644
index 000000000..a7b08453f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-240.js
@@ -0,0 +1,62 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-240",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-240.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is own accessor property that overrides an inherited accessor property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var proto = {};
+
+        Object.defineProperty(proto, "get", {
+            get: function () {
+                return function () {
+                    return "inheritedAccessorProperty";
+                };
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "get", {
+            get: function () {
+                return function () {
+                    return "ownAccessorProperty";
+                };
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        return newObj.prop === "ownAccessorProperty";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-241.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-241.js
new file mode 100644
index 000000000..ef317a213
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-241.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-241",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-241.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is own accessor property without a get function (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var descObj = {};
+
+        Object.defineProperty(descObj, "get", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-242.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-242.js
new file mode 100644
index 000000000..99cbd9f20
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-242.js
@@ -0,0 +1,58 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-242",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-242.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is own accessor property without a get function, which overrides an inherited accessor property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var proto = {};
+
+        Object.defineProperty(proto, "get", {
+            get: function () {
+                return function () {
+                    return "inheritedAccessorProperty";
+                };
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "get", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-243.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-243.js
new file mode 100644
index 000000000..50281f993
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-243.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-243",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-243.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is an inherited accessor property without a get function (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var proto = {};
+
+        Object.defineProperty(proto, "get", {
+            set: function () { }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-244.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-244.js
new file mode 100644
index 000000000..f0eb24551
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-244.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-244",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-244.js",
+
+    description: "Object.create - one property in 'Properties' is a Function object which implements its own [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var funObj = function () {};
+
+        funObj.get = function () {
+            return "VerifyFunctionObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: funObj
+        });
+
+        return newObj.prop === "VerifyFunctionObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-245.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-245.js
new file mode 100644
index 000000000..1841dd74b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-245.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-245",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-245.js",
+
+    description: "Object.create - one property in 'Properties' is an Array object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var arrayObj = [1, 2, 3];
+
+        arrayObj.get = function () {
+            return "VerifyArrayObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: arrayObj
+        });
+
+        return newObj.prop === "VerifyArrayObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-246.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-246.js
new file mode 100644
index 000000000..703387d4e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-246.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-246",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-246.js",
+
+    description: "Object.create - one property in 'Properties' is a String object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var strObj = new String("abc");
+
+        strObj.get = function () {
+            return "VerifyStringObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: strObj
+        });
+
+        return newObj.prop === "VerifyStringObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-247.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-247.js
new file mode 100644
index 000000000..2d97684e0
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-247.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-247",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-247.js",
+
+    description: "Object.create - one property in 'Properties' is a Boolean object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var boolObj = new Boolean(true);
+
+        boolObj.get = function () {
+            return "VerifyBooleanObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: boolObj 
+        });
+
+        return newObj.prop === "VerifyBooleanObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-248.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-248.js
new file mode 100644
index 000000000..cb0c2071b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-248.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-248",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-248.js",
+
+    description: "Object.create - one property in 'Properties' is a Number object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var numObj = new Number(5);
+
+        numObj.get = function () {
+            return "VerifyNumberObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: numObj 
+        });
+
+        return newObj.prop === "VerifyNumberObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-249.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-249.js
new file mode 100644
index 000000000..2ee93e436
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-249.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-249",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-249.js",
+
+    description: "Object.create - one property in 'Properties' is a Date object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var dateObj = new Date();
+
+        dateObj.get = function () {
+            return "VerifyDateObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: dateObj 
+        });
+
+        return newObj.prop === "VerifyDateObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-25.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-25.js
new file mode 100644
index 000000000..58a15c36e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-25.js
@@ -0,0 +1,61 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-25",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-25.js",
+
+    description: "Object.create - own enumerable accessor property that overrides an enumerable inherited accessor property in 'Properties' is defined in 'obj' (15.2.3.7 step 5.a) ",
+
+    test: function testcase() {
+
+        var proto = {};
+        Object.defineProperty(proto, "prop", {
+            get: function () {
+                return {
+                    value: 9
+                };
+            },
+            enumerable: true
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var child = new ConstructFun();
+        Object.defineProperty(child, "prop", {
+            get: function () {
+                return {
+                    value: 12
+                };
+            },
+            enumerable: true
+        });
+        var newObj = Object.create({}, child);
+
+        return newObj.hasOwnProperty("prop") && newObj.prop === 12;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-250.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-250.js
new file mode 100644
index 000000000..7f55995e7
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-250.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-250",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-250.js",
+
+    description: "Object.create - one property in 'Properties' is a RegExp object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var regObj = new RegExp();
+
+        regObj.get = function () {
+            return "VerifyRegExpObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: regObj
+        });
+
+        return newObj.prop === "VerifyRegExpObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-251.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-251.js
new file mode 100644
index 000000000..a00f44a21
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-251.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-251",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-251.js",
+
+    description: "Object.create - one property in 'Properties' is the Math object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        try {
+            Math.get = function () {
+                return "VerifyMathObject";
+            };
+
+            var newObj = Object.create({}, {
+                prop: Math 
+            });
+
+            return newObj.prop === "VerifyMathObject";
+        } finally {
+            delete Math.get;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-252.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-252.js
new file mode 100644
index 000000000..bc325006b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-252.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-252",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-252.js",
+
+    description: "Object.create - one property in 'Properties' is the JSON object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        JSON.get = function () {
+            return "VerifyJSONObject";
+        };
+
+        try {
+            var newObj = Object.create({}, {
+                prop: JSON 
+            });
+
+            return newObj.prop === "VerifyJSONObject";
+        } finally {
+            delete JSON.get;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-253.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-253.js
new file mode 100644
index 000000000..81a72fd2c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-253.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-253",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-253.js",
+
+    description: "Object.create - one property in 'Properties' is an Error object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        var errObj = new Error("error");
+
+        errObj.get = function () {
+            return "VerifyErrorObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: errObj 
+        });
+
+        return newObj.prop === "VerifyErrorObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-254.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-254.js
new file mode 100644
index 000000000..858281041
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-254.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-254",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-254.js",
+
+    description: "Object.create - one property in 'Properties' is an Arguments object which implements its own [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+
+        var argObj = (function () { return arguments; })();
+
+        argObj.get = function () {
+            return "VerifyArgumentsObject";
+        };
+
+        var newObj = Object.create({}, {
+            prop: argObj
+        });
+
+        return newObj.prop === "VerifyArgumentsObject";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-256.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-256.js
new file mode 100644
index 000000000..b5f200a1f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-256.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-256",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-256.js",
+
+    description: "Object.create - one property in 'Properties' is the global object that uses Object's [[Get]] method to access the 'get' property (8.10.5 step 7.a)",
+
+    test: function testcase() {
+        fnGlobalObject().get = function () {
+            return "VerifyGlobalObject";
+        };
+
+        try {
+            var newObj = Object.create({}, {
+                prop: fnGlobalObject()
+            });
+
+            return newObj.prop === "VerifyGlobalObject";
+        } finally {
+            delete fnGlobalObject().get;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-257.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-257.js
new file mode 100644
index 000000000..23e11648f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-257.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-257",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-257.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is undefined (8.10.5 step 7.b)",
+
+    test: function testcase() {
+        var newObj = Object.create({}, {
+            prop: {
+                get: undefined
+            }
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-258.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-258.js
new file mode 100644
index 000000000..300ebee5f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-258.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-258",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-258.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is the primitive value null (8.10.5 step 7.b)",
+
+    test: function testcase() {
+        try {
+            Object.create({}, {
+                prop: {
+                    get: null
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-259.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-259.js
new file mode 100644
index 000000000..04632f92c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-259.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-259",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-259.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is a boolean primitive (8.10.5 step 7.b)",
+
+    test: function testcase() {
+        try {
+            Object.create({}, {
+                prop: {
+                    get: false
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-26.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-26.js
new file mode 100644
index 000000000..0fad9b703
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-26.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-26",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-26.js",
+
+    description: "Object.create - TypeError is thrown when own enumerable accessor property of 'Properties' without a get function (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = {};
+        Object.defineProperty(props, "prop", {
+            set: function () { },
+            enumerable: true
+        });
+        try {
+            Object.create({}, props);
+
+            return false;
+        } catch (ex) {
+            return ex instanceof TypeError;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-260.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-260.js
new file mode 100644
index 000000000..0c5c5c099
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-260.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-260",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-260.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is a number primitive (8.10.5 step 7.b)",
+
+    test: function testcase() {
+        try {
+            Object.create({}, {
+                prop: {
+                    get: 123
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-261.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-261.js
new file mode 100644
index 000000000..5e42b3a7b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-261.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-261",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-261.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is a primitive string (8.10.5 step 7.b)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    get: "string"
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-262.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-262.js
new file mode 100644
index 000000000..81e1a42ed
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-262.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-262",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-262.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is an Array object (8.10.5 step 7.b)",
+
+    test: function testcase() {
+        try {
+            Object.create({}, {
+                prop: {
+                    get: [1, 2, 3]
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-263.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-263.js
new file mode 100644
index 000000000..2784ecc79
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-263.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-263",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-263.js",
+
+    description: "Object.create - 'get' property of one property in 'Properties' is a function (8.10.5 step 7.b)",
+
+    test: function testcase() {
+        var newObj = Object.create({}, {
+            prop: {
+                get: function () { }
+            }
+        });
+
+        return newObj.hasOwnProperty("prop") && typeof newObj.prop === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-266.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-266.js
new file mode 100644
index 000000000..c9d15acc6
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-266.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-266",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-266.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is present (8.10.5 step 8)",
+
+    test: function testcase() {
+        var data = "data";
+
+        var newObj = Object.create({}, {
+            prop: {
+                set: function (value) {
+                    data = value;
+                }
+            }
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-267.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-267.js
new file mode 100644
index 000000000..c5ad9b3a9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-267.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-267",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-267.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is not present (8.10.5 step 8)",
+
+    test: function testcase() {
+        var newObj = Object.create({}, {
+            prop: {
+                get: function () {
+                    return "data";
+                }
+            }
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && newObj.prop === "data";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-268.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-268.js
new file mode 100644
index 000000000..d7bee0a64
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-268.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-268",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-268.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is own data property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data = "data";
+
+        var newObj = Object.create({}, {
+            prop: {
+                set: function (value) {
+                    data = value;
+                }
+            }
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-269.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-269.js
new file mode 100644
index 000000000..49dbb34a3
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-269.js
@@ -0,0 +1,55 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-269",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-269.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is an inherited data property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data = "data";
+        var proto = {
+            set: function (value) {
+                data = value;
+            }
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: child 
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-27.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-27.js
new file mode 100644
index 000000000..0526c8097
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-27.js
@@ -0,0 +1,60 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-27",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-27.js",
+
+    description: "Object.create - own enumerable accessor property in 'Properties' without a get function that overrides an enumerable inherited accessor property in 'Properties' is defined in 'obj' (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        Object.defineProperty(proto, "prop", {
+            get: function () {
+                return {};
+            },
+            enumerable: true
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+
+        var child = new ConstructFun();
+        Object.defineProperty(child, "prop", {
+            set: function () { },
+            enumerable: true
+        });
+
+        try {
+            Object.create({}, child);
+
+            return false;
+        } catch (ex) {
+            return ex instanceof TypeError;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-270.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-270.js
new file mode 100644
index 000000000..272e96f54
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-270.js
@@ -0,0 +1,59 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-270",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-270.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is own data property that overrides an inherited data property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data1 = "data";
+        var data2 = "data";
+        var proto = {
+            set: function (value) {
+                data2 = value;
+            }
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+        child.set = function (value) {
+            data1 = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: child 
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data1 === "overrideData" && data2 === "data";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-271.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-271.js
new file mode 100644
index 000000000..1d3fedc6e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-271.js
@@ -0,0 +1,65 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-271",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-271.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is own data property that overrides an inherited accessor property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data1 = "data";
+        var data2 = "data";
+
+        var proto = {};
+        Object.defineProperty(proto, "set", {
+            get: function () {
+                return function (value) {
+                    data2 = value;
+                };
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+        Object.defineProperty(child, "set", {
+            value: function (value) {
+                data1 = value;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: child 
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data1 === "overrideData" && data2 === "data";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-272.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-272.js
new file mode 100644
index 000000000..e90476324
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-272.js
@@ -0,0 +1,55 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-272",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-272.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is own accessor property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data = "data";
+        var descObj = {};
+
+        Object.defineProperty(descObj, "set", {
+            get: function () {
+                return function (value) {
+                    data = value;
+                };
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-273.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-273.js
new file mode 100644
index 000000000..a821de866
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-273.js
@@ -0,0 +1,59 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-273",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-273.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is an inherited accessor property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data = "data";
+        var proto = {};
+
+        Object.defineProperty(proto, "set", {
+            get: function () {
+                return function (value) {
+                    data = value;
+                };
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: child 
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-274.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-274.js
new file mode 100644
index 000000000..5064d3a0a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-274.js
@@ -0,0 +1,63 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-274",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-274.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is own accessor property that overrides an inherited data property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data1 = "data";
+        var data2 = "data";
+
+        var proto = {};
+        proto.set = function (value) {
+            data2 = value;
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+        Object.defineProperty(child, "set", {
+            get: function () {
+                return function (value) {
+                    data1 = value;
+                };
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: child 
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data1 === "overrideData" && data2 === "data";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-275.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-275.js
new file mode 100644
index 000000000..4f1e7b364
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-275.js
@@ -0,0 +1,67 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-275",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-275.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is own accessor property that overrides an inherited accessor property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data1 = "data";
+        var data2 = "data";
+        var proto = {};
+
+        Object.defineProperty(proto, "set", {
+            get: function () {
+                return function (value) {
+                    data2 = value;
+                };
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+        Object.defineProperty(child, "set", {
+            get: function () {
+                return function (value) {
+                    data1 = value;
+                };
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: child
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data1 === "overrideData" && data2 === "data";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-276.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-276.js
new file mode 100644
index 000000000..e334d5599
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-276.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-276",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-276.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is own accessor property without a get function (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var descObj = {};
+        Object.defineProperty(descObj, "set", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        var desc = Object.getOwnPropertyDescriptor(newObj, "prop");
+
+        return hasProperty && typeof desc.set === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty) && fnExists(Object.getOwnPropertyDescriptor);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-277.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-277.js
new file mode 100644
index 000000000..86ea79b5a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-277.js
@@ -0,0 +1,56 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-277",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-277.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is own accessor property without a get function, which overrides an inherited accessor property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var proto = {};
+        Object.defineProperty(proto, "set", {
+            get: function () {
+                return function () { };
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+        Object.defineProperty(child, "set", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: child
+        });
+
+        var desc = Object.getOwnPropertyDescriptor(newObj, "prop");
+
+        return newObj.hasOwnProperty("prop") && typeof desc.set === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty) && fnExists(Object.getOwnPropertyDescriptor);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-278.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-278.js
new file mode 100644
index 000000000..feeec97b2
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-278.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-278",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-278.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is an inherited accessor property without a get function (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var proto = {};
+        Object.defineProperty(proto, "set", {
+            set: function () { }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var child = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: child
+        });
+
+        var desc = Object.getOwnPropertyDescriptor(newObj, "prop");
+
+        return newObj.hasOwnProperty("prop") && typeof desc.set === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty) && fnExists(Object.getOwnPropertyDescriptor);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-279.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-279.js
new file mode 100644
index 000000000..11abe025c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-279.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-279",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-279.js",
+
+    description: "Object.create - one property in 'Properties' is a Function object which implements its own [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var funObj = function () { };
+        var data = "data";
+        funObj.set = function (value) {
+            data = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: funObj
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-28.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-28.js
new file mode 100644
index 000000000..6bb74fa5e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-28.js
@@ -0,0 +1,43 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-28",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-28.js",
+
+    description: "Object.create - 'Properties' is a Function object which implements its own [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = function () { };
+        props.prop = {
+            value: 12,
+            enumerable: true
+        };
+        var newObj = Object.create({}, props);
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-280.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-280.js
new file mode 100644
index 000000000..12e6ab82c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-280.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-280",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-280.js",
+
+    description: "Object.create - one property in 'Properties' is an Array object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var arrObj = [];
+        var data = "data";
+        arrObj.set = function (value) {
+            data = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: arrObj
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-281.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-281.js
new file mode 100644
index 000000000..da1dce817
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-281.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-281",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-281.js",
+
+    description: "Object.create - one property in 'Properties' is a String object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var strObj = new String();
+        var data = "data";
+        strObj.set = function (value) {
+            data = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: strObj
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-282.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-282.js
new file mode 100644
index 000000000..233539a65
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-282.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-282",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-282.js",
+
+    description: "Object.create - one property in 'Properties' is a Boolean object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var boolObj = new Boolean(true);
+        var data = "data";
+        boolObj.set = function (value) {
+            data = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: boolObj
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-283.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-283.js
new file mode 100644
index 000000000..06403600c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-283.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-283",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-283.js",
+
+    description: "Object.create - one property in 'Properties' is a Number object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var numObj = new Number(5);
+        var data = "data";
+        numObj.set = function (value) {
+            data = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: numObj
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-284.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-284.js
new file mode 100644
index 000000000..ab9c902aa
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-284.js
@@ -0,0 +1,54 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-284",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-284.js",
+
+    description: "Object.create - one property in 'Properties' is the Math object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data = "data";
+
+        try {
+            Math.set = function (value) {
+                data = value;
+            };
+
+            var newObj = Object.create({}, {
+                prop: Math
+            });
+
+            var hasProperty = newObj.hasOwnProperty("prop");
+
+            newObj.prop = "overrideData";
+
+            return hasProperty && data === "overrideData";
+        } finally {
+            delete Math.set;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-285.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-285.js
new file mode 100644
index 000000000..f98c0aace
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-285.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-285",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-285.js",
+
+    description: "Object.create - one property in 'Properties' is a Date object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var dateObj = new Date();
+        var data = "data";
+        dateObj.set = function (value) {
+            data = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: dateObj
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-286.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-286.js
new file mode 100644
index 000000000..edfd3d2f5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-286.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-286",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-286.js",
+
+    description: "Object.create - one property in 'Properties' is a RegExp object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var regObj = new RegExp();
+        var data = "data";
+        regObj.set = function (value) {
+            data = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: regObj
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-287.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-287.js
new file mode 100644
index 000000000..6f171f489
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-287.js
@@ -0,0 +1,54 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-287",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-287.js",
+
+    description: "Object.create - one property in 'Properties' is the JSON object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data = "data";
+
+        try {
+            JSON.set = function (value) {
+                data = value;
+            };
+
+            var newObj = Object.create({}, {
+                prop: JSON
+            });
+
+            var hasProperty = newObj.hasOwnProperty("prop");
+
+            newObj.prop = "overrideData";
+
+            return hasProperty && data === "overrideData";
+        } finally {
+            delete JSON.set;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-288.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-288.js
new file mode 100644
index 000000000..e9637b6e5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-288.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-288",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-288.js",
+
+    description: "Object.create - one property in 'Properties' is an Error object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var errObj = new Error("error");
+        var data = "data";
+
+        errObj.set = function (value) {
+            data = value;
+        };
+
+        var newObj = Object.create({}, {
+            prop: errObj
+        });
+
+        newObj.prop = "overrideData";
+
+        return newObj.hasOwnProperty("prop") && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-289.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-289.js
new file mode 100644
index 000000000..408504fcb
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-289.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-289",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-289.js",
+
+    description: "Object.create - one property in 'Properties' is an Arguments object which implements its own [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var argObj = (function () { return arguments; })();
+
+        var data = "data";
+
+        argObj.set = function (value) {
+            data = value;
+        };
+
+        var newobj = Object.create({}, {
+            prop: argObj
+        });
+
+        var hasProperty = newobj.hasOwnProperty("prop");
+
+        newobj.prop = "overrideData";
+
+        return hasProperty && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-29.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-29.js
new file mode 100644
index 000000000..3517bd4eb
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-29.js
@@ -0,0 +1,43 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-29",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-29.js",
+
+    description: "Object.create - 'Properties' is an Array object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = [];
+        props.prop = {
+            value: {},
+            enumerable: true
+        };
+        var newObj = Object.create({}, props);
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-291.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-291.js
new file mode 100644
index 000000000..04a82e57b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-291.js
@@ -0,0 +1,54 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-291",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-291.js",
+
+    description: "Object.create - one property in 'Properties' is the global object that uses Object's [[Get]] method to access the 'set' property (8.10.5 step 8.a)",
+
+    test: function testcase() {
+        var data = "data";
+
+        try {
+            fnGlobalObject().set = function (value) {
+                data = value;
+            };
+
+            var newObj = Object.create({}, {
+                prop: fnGlobalObject()
+            });
+
+            var hasProperty = newObj.hasOwnProperty("prop");
+
+            newObj.prop = "overrideData";
+
+            return hasProperty && data === "overrideData";
+        } finally {
+            delete fnGlobalObject().set;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-292.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-292.js
new file mode 100644
index 000000000..bb347b7a9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-292.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-292",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-292.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is undefined (8.10.5 step 8.b)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                set: undefined
+            }
+        });
+
+        newObj.prop = "overrideData";
+
+        return newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-293.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-293.js
new file mode 100644
index 000000000..f5ef51643
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-293.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-293",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-293.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is a primitive value null (8.10.5 step 8.b)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    set: null
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-294.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-294.js
new file mode 100644
index 000000000..874fbd6a5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-294.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-294",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-294.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is a primitive boolean value true (8.10.5 step 8.b)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    set: true
+                } 
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-295.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-295.js
new file mode 100644
index 000000000..b9afa8100
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-295.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-295",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-295.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is a primitive number value (8.10.5 step 8.b)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    set: 123
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-296.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-296.js
new file mode 100644
index 000000000..ae5769745
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-296.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-296",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-296.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is a primitive string value (8.10.5 step 8.b)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    set: "abc"
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-297.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-297.js
new file mode 100644
index 000000000..82fd19713
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-297.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-297",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-297.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is an Date object (8.10.5 step 8.b)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    set: new Date()
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-298.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-298.js
new file mode 100644
index 000000000..5c270b3fb
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-298.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-298",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-298.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is a function (8.10.5 step 8.b)",
+
+    test: function testcase() {
+        var data = "data";
+
+        var newObj = Object.create({}, {
+            prop: {
+                set: function (value) {
+                    data = value;
+                }
+            }
+        });
+
+        newObj.prop = "overrideData";
+
+        return newObj.hasOwnProperty("prop") && data === "overrideData";
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-3.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-3.js
new file mode 100644
index 000000000..7f4f5b7f0
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-3.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-3",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-3.js",
+
+    description: "Object.create throws TypeError if 'Properties' is null (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, null);
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-30.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-30.js
new file mode 100644
index 000000000..17955b167
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-30.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-30",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-30.js",
+
+    description: "Object.create - 'Properties' is a String object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = new String();
+        props.prop = {
+            value: 12,
+            enumerable: true
+        };
+        var newObj = Object.create({}, props);
+
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-300.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-300.js
new file mode 100644
index 000000000..a4fbebedc
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-300.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-300",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-300.js",
+
+    description: "Object.create - 'set' property of one property in 'Properties' is a host object that isn't callable (8.10.5 step 8.b)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    set: fnGlobalObject()
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-301.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-301.js
new file mode 100644
index 000000000..bec72bc02
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-301.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-301",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-301.js",
+
+    description: "Object.create - TypeError is thrown if both 'set' property and 'value' property of one property in 'Properties' are present (8.10.5 step 9.a)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    set: function () { },
+                    value: 100
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-302.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-302.js
new file mode 100644
index 000000000..df14a8f4e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-302.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-302",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-302.js",
+
+    description: "Object.create - TypeError is thrown if both 'set' property and 'writable' property of one property in 'Properties' are present (8.10.5 step 9.a)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    set: function () { },
+                    writable: true
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-303.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-303.js
new file mode 100644
index 000000000..27b715749
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-303.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-303",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-303.js",
+
+    description: "Object.create - TypeError is thrown if both 'get' property and 'value' property of one property in 'Properties' are present (8.10.5 step 9.a)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    get: function () { },
+                    value: 100
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-304.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-304.js
new file mode 100644
index 000000000..857f65369
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-304.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-304",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-304.js",
+
+    description: "Object.create - TypeError is thrown if both 'get' property and 'writable' property of one property in 'Properties' are present (8.10.5 step 9.a)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: {
+                    get: function () { },
+                    writable: true
+                }
+            });
+
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-305.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-305.js
new file mode 100644
index 000000000..0fcb46aa9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-305.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-305",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-305.js",
+
+    description: "Object.create defines a data property when one property in 'Properties' is generic descriptor (8.12.9 step 4.a)",
+
+    test: function testcase() {
+
+        try {
+            var newObj = Object.create({}, {
+                prop: {
+                    enumerable: true
+                }
+            });
+            return newObj.hasOwnProperty("prop");
+        } catch (e) {
+            return false;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-306.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-306.js
new file mode 100644
index 000000000..0f8359ab3
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-306.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-306",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-306.js",
+
+    description: "Object.create - [[Value]] is set as undefined if it is absent in data descriptor of one property in 'Properties' (8.12.9 step 4.a.i)",
+
+    test: function testcase() {
+
+        try {
+            var newObj = Object.create({}, {
+                prop: {
+                    writable: true,
+                    configurable: true,
+                    enumerable: true
+                }
+            });
+            return newObj.hasOwnProperty("prop") && newObj.prop === undefined;
+        } catch (e) {
+            return false;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-307.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-307.js
new file mode 100644
index 000000000..838a2585a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-307.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-307",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-307.js",
+
+    description: "Object.create - [[Writable]] is set as false if it is absent in data descriptor of one property in 'Properties' (8.12.9 step 4.a.i)",
+
+    test: function testcase() {
+        var newObj = Object.create({}, {
+            prop: {
+                value: 1001,
+                configurable: true,
+                enumerable: true
+            }
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        newObj.prop = 12;
+
+        return hasProperty && newObj.prop === 1001;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-308.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-308.js
new file mode 100644
index 000000000..e32e41e67
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-308.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-308",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-308.js",
+
+    description: "Object.create - [[Enumerable]] is set as false if it is absent in data descriptor of one property in 'Properties' (8.12.9 step 4.a.i)",
+
+    test: function testcase() {
+        var isEnumerable = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                value: 1001,
+                writable: true,
+                configurable: true
+            }
+        });
+
+        var hasProperty = newObj.hasOwnProperty("prop");
+
+        for (var p in newObj) {
+            if (p === "prop") {
+                isEnumerable = true;
+            }
+        }
+        return hasProperty && !isEnumerable;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-309.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-309.js
new file mode 100644
index 000000000..8cca98796
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-309.js
@@ -0,0 +1,52 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-309",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-309.js",
+
+    description: "Object.create - [[Configurable]] is set as false if it is absent in data descriptor of one property in 'Properties' (8.12.9 step 4.a.i)",
+
+    test: function testcase() {
+        var isNotConfigurable = false;
+
+        try {
+            var newObj = Object.create({}, {
+                prop: {
+                    value: 1001,
+                    writable: true,
+                    enumerable: true
+                }
+            });
+            var hasProperty = newObj.hasOwnProperty("prop");
+            delete newObj.prop;
+            isNotConfigurable = newObj.hasOwnProperty("prop");
+            return hasProperty && isNotConfigurable;
+        } catch (e) {
+            return false;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-31.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-31.js
new file mode 100644
index 000000000..57ce1be41
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-31.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-31",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-31.js",
+
+    description: "Object.create - 'Properties' is a Boolean object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = new Boolean(false);
+        props.prop = {
+            value: 12,
+            enumerable: true
+        };
+        var newObj = Object.create({}, props);
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-310.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-310.js
new file mode 100644
index 000000000..a55fc0684
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-310.js
@@ -0,0 +1,43 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-310",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-310.js",
+
+    description: "Object.create - [[Get]] is set as undefined if it is absent in accessor descriptor of one property in 'Properties' (8.12.9 step 4.b)",
+
+    test: function testcase() {
+        var newObj = Object.create({}, {
+            prop: {
+                set: function () { },
+                enumerable: true,
+                configurable: true
+            }
+        });
+        return newObj.hasOwnProperty("prop") && newObj.prop === undefined;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-311.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-311.js
new file mode 100644
index 000000000..31f32dffb
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-311.js
@@ -0,0 +1,66 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-311",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-311.js",
+
+    description: "Object.create - [[Set]] is set as undefined if it is absent in accessor descriptor of one property in 'Properties' (8.12.9 step 4.b)",
+
+    test: function testcase() {
+        var newObj = Object.create({}, {
+            prop: {
+                get: function () {
+                    return "verifyCreate";
+                },
+                enumerable: true,
+                configurable: true
+            }
+        });
+
+        var desc = Object.getOwnPropertyDescriptor(newObj, "prop");
+        var verifySet = desc.hasOwnProperty("set") && typeof desc.set === "undefined";
+
+        var verifyGet = false;
+        if (newObj.prop === "verifyCreate") {
+            verifyGet = true;
+        }
+
+        var verifyEnumerable = false;
+        for (var p in newObj) {
+            if (p === "prop") {
+                verifyEnumerable = true;
+            }
+        }
+
+        var verifyConfigurable = false;
+        var hasProperty = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        verifyConfigurable = !newObj.hasOwnProperty("prop") && hasProperty;
+
+        return verifySet && verifyGet && verifyEnumerable && verifyConfigurable;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-312.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-312.js
new file mode 100644
index 000000000..8860d6187
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-312.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-312",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-312.js",
+
+    description: "Object.create - [[Enumerable]] is set as false if it is absent in accessor descriptor of one property in 'Properties' (8.12.9 step 4.b)",
+
+    test: function testcase() {
+        var isEnumerable = false;
+        var newObj = Object.create({}, {
+            prop: {
+                set: function () { },
+                get: function () { },
+                configurable: true
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+        for (var p in newObj) {
+            if (p === "prop") {
+                isEnumerable = true;
+            }
+        }
+        return hasProperty && !isEnumerable;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-313.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-313.js
new file mode 100644
index 000000000..d4f95e7df
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-313.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-313",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-313.js",
+
+    description: "Object.create - [[Configurable]] is set as false if it is absent in accessor descriptor of one property in 'Properties' (8.12.9 step 4.b)",
+
+    test: function testcase() {       
+        var newObj = Object.create({}, {
+            prop: {
+                set: function () { },
+                get: function () { },
+                enumerable: true
+            }
+        });
+        var hasProperty = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var isNotConfigurable = newObj.hasOwnProperty("prop");
+        return hasProperty && isNotConfigurable;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-314.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-314.js
new file mode 100644
index 000000000..c16afb672
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-314.js
@@ -0,0 +1,39 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-314",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-314.js",
+
+    description: "Object.create - some enumerable own property in 'Properties' is empty object (15.2.3.7 step 7)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            foo: {}
+        });
+        return newObj.hasOwnProperty("foo");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-315.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-315.js
new file mode 100644
index 000000000..ab1cb1d06
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-315.js
@@ -0,0 +1,59 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-315",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-315.js",
+
+    description: "Object.create - all properties in 'Properties' are enumerable (data property and accessor property) (15.2.3.7 step 7)",
+
+    test: function testcase() {
+
+        var newObj = {};
+        function getFunc() {
+            return 10;
+        }
+        function setFunc(value) {
+            newObj.setVerifyHelpProp = value;
+        }
+
+        newObj = Object.create({}, {
+            foo1: {
+                value: 200,
+                enumerable: true,
+                writable: true,
+                configurable: true
+            },
+            foo2: {
+                get: getFunc,
+                set: setFunc,
+                enumerable: true,
+                configurable: true
+            }
+        });
+        return dataPropertyAttributesAreCorrect(newObj, "foo1", 200, true, true, true) &&
+            accessorPropertyAttributesAreCorrect(newObj, "foo2", getFunc, setFunc, "setVerifyHelpProp", true, true);
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-316.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-316.js
new file mode 100644
index 000000000..2ee0ce85e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-316.js
@@ -0,0 +1,61 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-316",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-316.js",
+
+    description: "Object.create - enumerable properties of 'Properties' are given numerical names (15.2.3.7 step 7)",
+
+    test: function testcase() {
+
+        function getFunc() {
+            return 20;
+        }
+        function setFunc() { }
+
+        var newObj = Object.create({}, {
+            0: {
+                value: 100,
+                enumerable: true,
+                writable: true,
+                configurable: true
+            },
+            1: {
+                get: getFunc,
+                set: setFunc,
+                enumerable: true,
+                configurable: true
+            },
+            2: {
+                value: 200,
+                enumerable: true,
+                writable: true,
+                configurable: true
+            }
+        });
+        return newObj[0] === 100 && newObj[1] === 20 && newObj[2] === 200;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-32.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-32.js
new file mode 100644
index 000000000..b49f481ea
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-32.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-32",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-32.js",
+
+    description: "Object.create - 'Properties' is a Number object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = new Number(-9);
+        props.prop = {
+            value: 12,
+            enumerable: true
+        };
+        var newObj = Object.create({}, props);
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-33.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-33.js
new file mode 100644
index 000000000..c36e0cfb5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-33.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-33",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-33.js",
+
+    description: "Object.create - 'Properties' is the Math object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        try {
+            Math.prop = {
+                value: 12,
+                enumerable: true
+            };
+            var newObj = Object.create({}, Math);
+            return newObj.hasOwnProperty("prop");
+        } finally {
+            delete Math.prop;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-34.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-34.js
new file mode 100644
index 000000000..00c8b7031
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-34.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-34",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-34.js",
+
+    description: "Object.create - 'Properties' is a Date object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = new Date();
+        props.prop = {
+            value: 12,
+            enumerable: true
+        };
+        var newObj = Object.create({}, props);
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-35.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-35.js
new file mode 100644
index 000000000..fcbf74310
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-35.js
@@ -0,0 +1,42 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-35",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-35.js",
+
+    description: "Object.create - 'Properties' is a RegExp object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = new RegExp();
+        props.prop = {
+            value: 12,
+            enumerable: true
+        };
+        var newObj = Object.create({}, props);
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-36.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-36.js
new file mode 100644
index 000000000..f9b5f9a9b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-36.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-36",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-36.js",
+
+    description: "Object.create - 'Properties' is the JSON object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        try {
+            JSON.prop = {
+                value: 12,
+                enumerable: true
+            };
+            var newObj = Object.create({}, JSON);
+            return newObj.hasOwnProperty("prop");
+        } finally {
+            delete JSON.prop;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-37.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-37.js
new file mode 100644
index 000000000..a9c02ef1e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-37.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-37",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-37.js",
+
+    description: "Object.create - 'Properties' is an Error object that uses Object's [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = new Error("test");
+
+        (Object.getOwnPropertyNames(props)).forEach(function(name){
+            props[name] = {value:11, configurable:true}
+        });
+
+        props.prop15_2_3_5_4_37 = {
+            value: 12,
+            enumerable: true
+        };
+        var newObj = Object.create({}, props);
+        return newObj.hasOwnProperty("prop15_2_3_5_4_37");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Array.prototype.forEach) && fnExists(Object.getOwnPropertyNames);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-38.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-38.js
new file mode 100644
index 000000000..3f77f50bb
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-38.js
@@ -0,0 +1,46 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-38",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-38.js",
+
+    description: "Object.create - 'Properties' is an Arguments object which implements its own [[Get]] method to access own enumerable property (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var argObj = (function () { return arguments; })();
+
+        argObj.prop = {
+            value: 12,
+            enumerable: true
+        };
+
+        var newObj = Object.create({}, argObj);
+
+        return newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-39.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-39.js
new file mode 100644
index 000000000..3d8d34967
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-39.js
@@ -0,0 +1,55 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-39",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-39.js",
+
+    description: "Object.create - ensure that side-effects of gets occur in the same order as they would for: for (P in props) props[P] (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var props = {};
+        props.prop1 = { value: 12, enumerable: true };
+        props.prop2 = { value: true, enumerable: true };
+
+        var tempArray = [];
+        for (var p in props) {
+            if (props.hasOwnProperty(p)) {
+                tempArray.push(p);
+            }
+        }
+
+        var newObj = Object.create({}, props);
+        var index = 0;
+        for (var q in newObj) {
+            if (tempArray[index++] !== q && newObj.hasOwnProperty(q)) {
+                return false;
+            }
+        }
+        return true;         
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-4.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-4.js
new file mode 100644
index 000000000..a2125bf45
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-4.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-4",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-4.js",
+
+    description: "Object.create - argument 'Properties' is an object (15.2.3.7 step 2).",
+
+    test: function testcase() {
+
+        var props = {};
+        var result = false;
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                result = this instanceof Object;
+                return {};
+            },
+            enumerable: true
+        });
+        Object.create({}, props);
+        return result;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-40.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-40.js
new file mode 100644
index 000000000..321d54356
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-40.js
@@ -0,0 +1,65 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-40",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-40.js",
+
+    description: "Object.create - ensure that if an exception is thrown it occurs in the correct order relative to prior and subsequent side-effects (15.2.3.7 step 5.a)",
+
+    test: function testcase() {
+
+        var newObj = {};
+        var props = {};
+        var i = 0;
+
+        Object.defineProperty(props, "prop1", {
+            get: function () {
+                i++;
+                return {};
+            },
+            enumerable: true
+        });
+
+        Object.defineProperty(props, "prop2", {
+            get: function () {
+                if (1 === i++) {
+                    throw new RangeError();
+                } else {
+                    return {};
+                }
+            },
+            enumerable: true
+        });
+
+        try {
+            newObj = Object.create({}, props);
+            return false;
+        } catch (e) {
+            return (e instanceof RangeError) && !newObj.hasOwnProperty("prop1") && i === 2;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-41.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-41.js
new file mode 100644
index 000000000..d1f448ab4
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-41.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-41",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-41.js",
+
+    description: "Object.create - value of one property in 'Properties' is undefined (8.10.5 step 1)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: undefined 
+            });
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-42.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-42.js
new file mode 100644
index 000000000..9c302a648
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-42.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-42",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-42.js",
+
+    description: "Object.create - value of one property in 'Properties' is null (8.10.5 step 1)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: null 
+            });
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-43.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-43.js
new file mode 100644
index 000000000..abc9b1a73
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-43.js
@@ -0,0 +1,45 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-43",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-43.js",
+
+    description: "Object.create - value of one property in 'Properties' is false (8.10.5 step 1)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: false 
+            });
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-44.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-44.js
new file mode 100644
index 000000000..3c3a57790
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-44.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-44",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-44.js",
+
+    description: "Object.create - value of one property in 'Properties' is a number primitive (8.10.5 step 1)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: 12 
+            });
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-45.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-45.js
new file mode 100644
index 000000000..b2e5d3814
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-45.js
@@ -0,0 +1,44 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-45",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-45.js",
+
+    description: "Object.create - value of one property in 'Properties' is a string (8.10.5 step 1)",
+
+    test: function testcase() {
+
+        try {
+            Object.create({}, {
+                prop: "abc" 
+            });
+            return false;
+        } catch (e) {
+            return (e instanceof TypeError);
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-46.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-46.js
new file mode 100644
index 000000000..395603e5b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-46.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-46",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-46.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is true (8.10.5 step 3)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: true
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-47.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-47.js
new file mode 100644
index 000000000..c0e737ff7
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-47.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-47",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-47.js",
+
+    description: "Object.create  - 'enumerable' property of one property in 'Properties' is not present (8.10.5 step 3)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {} 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-48.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-48.js
new file mode 100644
index 000000000..3ff789432
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-48.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-48",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-48.js",
+
+    description: "Object.create  - 'enumerable' property of one property in 'Properties' is own data property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: true
+            } 
+        });
+
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-49.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-49.js
new file mode 100644
index 000000000..40dc4092e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-49.js
@@ -0,0 +1,56 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-49",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-49.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is an inherited data property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var proto = {
+            enumerable: true
+        };
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-5.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-5.js
new file mode 100644
index 000000000..c4a2b87b5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-5.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-5",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-5.js",
+
+    description: "Object.create - argument 'Properties' is a Function object (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        var props = function () { };
+        var result = false;
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                result = this instanceof Function;
+                return {};
+            },
+            enumerable: true
+        });
+        Object.create({}, props);
+        return result;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-50.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-50.js
new file mode 100644
index 000000000..f06205ad6
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-50.js
@@ -0,0 +1,59 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-50",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-50.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is own data property that overrides an inherited data property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var proto = {
+            enumerable: true
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "enumerable", {
+            value: false
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-51.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-51.js
new file mode 100644
index 000000000..74d269625
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-51.js
@@ -0,0 +1,63 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-51",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-51.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is own data property that overrides an inherited accessor property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        var accessed = false;
+
+        Object.defineProperty(proto, "enumerable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "enumerable", {
+            value: false
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-52.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-52.js
new file mode 100644
index 000000000..4d869c5d5
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-52.js
@@ -0,0 +1,55 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-52",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-52.js",
+
+    description: "Object.create - 'enumerable' property  of one property in 'Properties' is own accessor property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var descObj = {};
+        Object.defineProperty(descObj, "enumerable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-53.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-53.js
new file mode 100644
index 000000000..1e66e1268
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-53.js
@@ -0,0 +1,59 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-53",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-53.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is an inherited accessor property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        var accessed = false;
+
+        Object.defineProperty(proto, "enumerable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-54.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-54.js
new file mode 100644
index 000000000..a8ad954ac
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-54.js
@@ -0,0 +1,60 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-54",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-54.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is own accessor property that overrides an inherited data property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var proto = {
+            enumerable: true
+        };
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "enumerable", {
+            get: function () {
+                return false;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-55.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-55.js
new file mode 100644
index 000000000..a0d7ce943
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-55.js
@@ -0,0 +1,63 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-55",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-55.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is own accessor property that overrides an inherited accessor property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        var accessed = false;
+        Object.defineProperty(proto, "enumerable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "enumerable", {
+            get: function () {
+                return false;
+            }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-56.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-56.js
new file mode 100644
index 000000000..3ceba72f2
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-56.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-56",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-56.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is own accessor property without a get function (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var descObj = {};
+        Object.defineProperty(descObj, "enumerable", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-57.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-57.js
new file mode 100644
index 000000000..54a9ec7ac
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-57.js
@@ -0,0 +1,61 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-57",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-57.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is own accessor property without a get function, which overrides an inherited accessor property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var proto = {};
+        var accessed = false;
+        Object.defineProperty(proto, "enumerable", {
+            get: function () {
+                return true;
+            }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        Object.defineProperty(descObj, "enumerable", {
+            set: function () { }
+        });
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-58.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-58.js
new file mode 100644
index 000000000..d628526f9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-58.js
@@ -0,0 +1,57 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-58",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-58.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is an inherited accessor property without a get function (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+
+        var proto = {};
+        var accessed = false;
+
+        Object.defineProperty(proto, "enumerable", {
+            set: function () { }
+        });
+
+        var ConstructFun = function () { };
+        ConstructFun.prototype = proto;
+        var descObj = new ConstructFun();
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-59.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-59.js
new file mode 100644
index 000000000..368d339e1
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-59.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-59",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-59.js",
+
+    description: "Object.create - one property in 'Properties' is a Function object which implements its own [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var descObj = function () { };
+
+        descObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-6.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-6.js
new file mode 100644
index 000000000..095e6c935
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-6.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-6",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-6.js",
+
+    description: "Object.create - argument 'Properties' is an Array object (15.2.3.7 step 2).",
+
+    test: function testcase() {
+
+        var props = [];
+        var result = false;
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                result = this instanceof Array;
+                return {};
+            },
+            enumerable: true
+        });
+        Object.create({}, props);
+        return result;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-60.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-60.js
new file mode 100644
index 000000000..1ca25dea9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-60.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-60",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-60.js",
+
+    description: "Object.create - one property in 'Properties' is an Array object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+
+        var accessed = false;
+        var descObj = [];
+
+        descObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-61.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-61.js
new file mode 100644
index 000000000..0796a6de8
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-61.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-61",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-61.js",
+
+    description: "Object.create - one property in 'Properties' is a String object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var descObj = new String();
+
+        descObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-62.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-62.js
new file mode 100644
index 000000000..bb0fcf2a2
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-62.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-62",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-62.js",
+
+    description: "Object.create - one property in 'Properties' is a Boolean object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var descObj = new Boolean(false);
+
+        descObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-63.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-63.js
new file mode 100644
index 000000000..001c6426b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-63.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-63",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-63.js",
+
+    description: "Object.create - one property in 'Properties' is a Number object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var descObj = new Number(-9);
+
+        descObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-64.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-64.js
new file mode 100644
index 000000000..6a0c939a3
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-64.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-64",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-64.js",
+
+    description: "Object.create - one property in 'Properties' is the Math object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        try {
+            Math.enumerable = true;
+
+            var newObj = Object.create({}, {
+                prop: Math 
+            });
+            for (var property in newObj) {
+                if (property === "prop") {
+                    accessed = true;
+                }
+            }
+            return accessed;
+        } finally {
+            delete Math.enumerable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-65.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-65.js
new file mode 100644
index 000000000..b4ef9fefa
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-65.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-65",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-65.js",
+
+    description: "Object.create - one property in 'Properties' is a Date object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var descObj = new Date();
+
+        descObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-66.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-66.js
new file mode 100644
index 000000000..b64fa7662
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-66.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-66",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-66.js",
+
+    description: "Object.create - one property in 'Properties' is a RegExp object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var descObj = new RegExp();
+
+        descObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-67.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-67.js
new file mode 100644
index 000000000..a7693f3d4
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-67.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-67",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-67.js",
+
+    description: "Object.create - one property in 'Properties' is the JSON object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        try {
+            JSON.enumerable = true;
+
+            var newObj = Object.create({}, {
+                prop: JSON
+            });
+            for (var property in newObj) {
+                if (property === "prop") {
+                    accessed = true;
+                }
+            }
+            return accessed;
+        } finally {
+            delete JSON.enumerable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-68.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-68.js
new file mode 100644
index 000000000..f007a5690
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-68.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-68",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-68.js",
+
+    description: "Object.create - one property in 'Properties' is an Error object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var descObj = new Error();
+
+        descObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-69.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-69.js
new file mode 100644
index 000000000..17c7c07da
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-69.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-69",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-69.js",
+
+    description: "Object.create - one property in 'Properties' is an Arguments object which implements its own [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+        
+        var accessed = false;
+        var argObj = (function () { return arguments; })();
+
+        argObj.enumerable = true;
+
+        var newObj = Object.create({}, {
+            prop: argObj
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-7.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-7.js
new file mode 100644
index 000000000..366c36723
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-7.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-7",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-7.js",
+
+    description: "Object.create - argument 'Properties' is a String object (15.2.3.7 step 2)",
+
+    test: function testcase() {
+
+        var props = new String();
+        var result = false;
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                result = this instanceof String;
+                return {};
+            },
+            enumerable: true
+        });
+        Object.create({}, props);
+        return result;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-71.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-71.js
new file mode 100644
index 000000000..0f79f4454
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-71.js
@@ -0,0 +1,53 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-71",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-71.js",
+
+    description: "Object.create - one property in 'Properties' is the global object that uses Object's [[Get]] method to access the 'enumerable' property (8.10.5 step 3.a)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        try {
+            fnGlobalObject().enumerable = true;
+
+            var newObj = Object.create({}, {
+                prop: fnGlobalObject()
+            });
+            for (var property in newObj) {
+                if (property === "prop") {
+                    accessed = true;
+                }
+            }
+            return accessed;
+        } finally {
+            delete fnGlobalObject().enumerable;
+        }
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-72.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-72.js
new file mode 100644
index 000000000..08e2374b9
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-72.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-72",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-72.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is undefined (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: undefined
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-73.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-73.js
new file mode 100644
index 000000000..412aca318
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-73.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-73",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-73.js",
+
+    description: "Object.create - value of 'enumerable' property of one property in 'Properties' is null (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: null
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-74.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-74.js
new file mode 100644
index 000000000..e352ca613
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-74.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-74",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-74.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is true (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: true
+            } 
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-75.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-75.js
new file mode 100644
index 000000000..10a06c8dd
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-75.js
@@ -0,0 +1,51 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-75",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-75.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is false (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+
+        var accessed = false;
+        var descObj = {
+            enumerable: false
+        };
+
+        var newObj = Object.create({}, {
+            prop: descObj
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-76.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-76.js
new file mode 100644
index 000000000..a0efadb4b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-76.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-76",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-76.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is 0 (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: 0
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-77.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-77.js
new file mode 100644
index 000000000..4035cf762
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-77.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-77",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-77.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is +0 (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: +0
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-78.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-78.js
new file mode 100644
index 000000000..eb0a96fb2
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-78.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-78",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-78.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is -0 (8.10.5 step 3.b)",
+
+    test: function testcase() {
+        
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: -0
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-79.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-79.js
new file mode 100644
index 000000000..32dcc6343
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-79.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-79",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-79.js",
+
+    description: "Object.create -  'enumerable' property of one property in 'Properties' is NaN (8.10.5 step 3.b)",
+
+    test: function testcase() {
+       
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: NaN
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-8.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-8.js
new file mode 100644
index 000000000..2a00a5e4a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-8.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-8",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-8.js",
+
+    description: "Object.create - argument 'Properties' is a Boolean object whose primitive value is true (15.2.3.7 step 2).",
+
+    test: function testcase() {
+
+        var props = new Boolean(true);
+        var result = false;
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                result = this instanceof Boolean;
+                return {};
+            },
+            enumerable: true
+        });
+        Object.create({}, props);
+        return result;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-80.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-80.js
new file mode 100644
index 000000000..f4b5d28d1
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-80.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-80",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-80.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a positive number primitive (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: 12
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-81.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-81.js
new file mode 100644
index 000000000..4e81d4b09
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-81.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-81",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-81.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a negative number primitive (8.10.5 step 3.b)",
+
+    test: function testcase() {
+        
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: -9
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-82.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-82.js
new file mode 100644
index 000000000..7e1ed2554
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-82.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-82",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-82.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is an empty string (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: ""
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return !accessed && newObj.hasOwnProperty("prop");
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-83.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-83.js
new file mode 100644
index 000000000..e2a07cbf0
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-83.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-83",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-83.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a non-empty string (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: "AB\n\\cd"
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-84.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-84.js
new file mode 100644
index 000000000..efb60bf6f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-84.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-84",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-84.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a Function object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+        
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: function () { }
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-85.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-85.js
new file mode 100644
index 000000000..0f5b32be7
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-85.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-85",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-85.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is an Array object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: []
+            }
+        });
+
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-86.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-86.js
new file mode 100644
index 000000000..ab2df3893
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-86.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-86",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-86.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a String object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: new String()
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-87.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-87.js
new file mode 100644
index 000000000..5cd791f7c
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-87.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-87",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-87.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a Boolean object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: new Boolean(true)
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-88.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-88.js
new file mode 100644
index 000000000..efa1af1c8
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-88.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-88",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-88.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a Number object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: new Number(-9)
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-89.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-89.js
new file mode 100644
index 000000000..7a7809345
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-89.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-89",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-89.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is the Math object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: Math
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-9.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-9.js
new file mode 100644
index 000000000..3d33ee9ca
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-9.js
@@ -0,0 +1,48 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-9",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-9.js",
+
+    description: "Object.create - argument 'Properties' is a Number object whose primitive value is any interesting number (15.2.3.7 step 2).",
+
+    test: function testcase() {
+
+        var props = new Number(12);
+        var result = false;
+
+        Object.defineProperty(props, "prop", {
+            get: function () {
+                result = this instanceof Number;
+                return {};
+            },
+            enumerable: true
+        });
+        Object.create({}, props);
+        return result;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create) && fnExists(Object.defineProperty);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-90.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-90.js
new file mode 100644
index 000000000..bd43a34d2
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-90.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-90",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-90.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a Date object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: new Date()
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-91.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-91.js
new file mode 100644
index 000000000..df148257e
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-91.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-91",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-91.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a RegExp object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: new RegExp()
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-92.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-92.js
new file mode 100644
index 000000000..ef802b3ca
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-92.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-92",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-92.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is the JSON object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: JSON
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-93.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-93.js
new file mode 100644
index 000000000..d8376294d
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-93.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-93",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-93.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is an Error object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: new Error()
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-94.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-94.js
new file mode 100644
index 000000000..522bb1e4a
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-94.js
@@ -0,0 +1,50 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-94",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-94.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is an Arguments object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+        var argObj = (function () { return arguments; })();
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: argObj
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-96.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-96.js
new file mode 100644
index 000000000..fb5c453c2
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-96.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-96",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-96.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is the global object (8.10.5 step 3.b)",
+
+    test: function testcase() {
+        
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: fnGlobalObject()
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-97.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-97.js
new file mode 100644
index 000000000..59125fbe7
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-97.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-97",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-97.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is a string (value is 'false'), which is treated as the value true (8.10.5 step 3.b)",
+
+    test: function testcase() {
+        
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: "false"
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-98.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-98.js
new file mode 100644
index 000000000..a879a417b
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-98.js
@@ -0,0 +1,49 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-98",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-98.js",
+
+    description: "Object.create - 'enumerable' property of one property in 'Properties' is new Boolean(false), which is treated as the value true (8.10.5 step 3.b)",
+
+    test: function testcase() {
+
+        var accessed = false;
+
+        var newObj = Object.create({}, {
+            prop: {
+                enumerable: new Boolean(false)
+            }
+        });
+        for (var property in newObj) {
+            if (property === "prop") {
+                accessed = true;
+            }
+        }
+        return accessed;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});
diff --git a/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-99.js b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-99.js
new file mode 100644
index 000000000..5f7306b4f
--- /dev/null
+++ b/external/contributions/Microsoft/ietestcenter_build_2011/TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-99.js
@@ -0,0 +1,47 @@
+/// Copyright (c) 2009 Microsoft Corporation 
+/// 
+/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+/// that the following conditions are met: 
+///    * Redistributions of source code must retain the above copyright notice, this list of conditions and
+///      the following disclaimer. 
+///    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 
+///      the following disclaimer in the documentation and/or other materials provided with the distribution.  
+///    * Neither the name of Microsoft nor the names of its contributors may be used to
+///      endorse or promote products derived from this software without specific prior written permission.
+/// 
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+/// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+/// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+/// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+ES5Harness.registerTest({
+    id: "15.2.3.5-4-99",
+
+    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-99.js",
+
+    description: "Object.create - 'configurable' property of one property in 'Properties' is true (8.10.5 step 4)",
+
+    test: function testcase() {
+
+        var newObj = Object.create({}, {
+            prop: {
+                configurable: true
+            }
+        });
+
+        var result1 = newObj.hasOwnProperty("prop");
+        delete newObj.prop;
+        var result2 = newObj.hasOwnProperty("prop");
+
+        return result1 === true && result2 === false;
+    },
+
+    precondition: function prereq() {
+        return fnExists(Object.create);
+    }
+});