/// Copyright (c) 2009 Microsoft Corporation /// /// Redistribution and use in source and binary forms, with or without modification, are permitted provided /// that the following conditions are met: /// * Redistributions of source code must retain the above copyright notice, this list of conditions and /// the following disclaimer. /// * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and /// the following disclaimer in the documentation and/or other materials provided with the distribution. /// * Neither the name of Microsoft nor the names of its contributors may be used to /// endorse or promote products derived from this software without specific prior written permission. /// /// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR /// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS /// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE /// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT /// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS /// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, /// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF /// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. /** * @path ch15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-183.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) */ 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; } runTestCase(testcase);