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Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/debug-referenced-by.js')
-rw-r--r-- | src/3rdparty/v8/test/mjsunit/debug-referenced-by.js | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/debug-referenced-by.js b/src/3rdparty/v8/test/mjsunit/debug-referenced-by.js deleted file mode 100644 index 915a0c7..0000000 --- a/src/3rdparty/v8/test/mjsunit/debug-referenced-by.js +++ /dev/null @@ -1,112 +0,0 @@ -// Copyright 2008 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Flags: --expose-debug-as debug -// Get the Debug object exposed from the debug context global object. -Debug = debug.Debug - -// Simple object. -var a = {}; - -// Create mirror for the object. -var mirror = debug.MakeMirror(a); - -// Initially one reference from the global object. -assertEquals(1, mirror.referencedBy().length); -assertEquals(1, mirror.referencedBy(0).length); -assertEquals(1, mirror.referencedBy(1).length); -assertEquals(1, mirror.referencedBy(10).length); - -// Add some more references from simple objects and arrays. -var b = {} -b.a = a; -assertEquals(2, mirror.referencedBy().length); -var c = {} -c.a = a; -c.aa = a; -c.aaa = a; -assertEquals(3, mirror.referencedBy().length); -function d(){}; -d.a = a -assertEquals(4, mirror.referencedBy().length); -e = [a,b,c,d]; -assertEquals(5, mirror.referencedBy().length); - - -// Simple closure. -function closure_simple(p) { - return function() { p = null; }; -} - -// This adds a reference (function context). -f = closure_simple(a); -assertEquals(6, mirror.referencedBy().length); -// This clears the reference (in function context). -f() -assertEquals(5, mirror.referencedBy().length); - -// Use closure with eval - creates arguments array. -function closure_eval(p, s) { - if (s) { - eval(s); - } - return function e(s) { eval(s); }; -} - -// This adds a references (function context). -g = closure_eval(a); -assertEquals(6, mirror.referencedBy().length); - -// Dynamically create a variable. This should create a context extension. -h = closure_eval(null, "var x_"); -assertEquals(6, mirror.referencedBy().length); -// Adds a reference when set. -h("x_ = a"); -var x = mirror.referencedBy(); -assertEquals(7, mirror.referencedBy().length); -// Removes a reference when cleared. -h("x_ = null"); -assertEquals(6, mirror.referencedBy().length); - -// Check circular references. -x = {} -mirror = debug.MakeMirror(x); -assertEquals(1, mirror.referencedBy().length); -x.x = x; -assertEquals(2, mirror.referencedBy().length); -x = null; -assertEquals(0, mirror.referencedBy().length); - -// Check many references. -y = {} -mirror = debug.MakeMirror(y); -refs = []; -for (var i = 0; i < 200; i++) { - refs[i] = {'y': y}; -} -y = null; -assertEquals(200, mirror.referencedBy().length); |