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Edit File: object-literal-gc.js
// Copyright 2009 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-gc // Test that the clearing of object literal when normalizing objects // works. In particular, test that the garbage collector handles the // normalized object literals correctly. function testLiteral(size) { // Build object-literal string. var literal = "var o = { "; for (var i = 0; i < size; i++) { if (i > 0) literal += ","; literal += ("a" + i + ":" + i); } literal += "}"; // Create the object literal. eval(literal); // Force normalization of the properties. delete o["a" + (size - 1)]; // Perform GC. gc(); // Check that the properties have the expected values. for (var i = 0; i < size - 1; i++) { assertEquals(i, o["a"+i]); } } // The sizes to test. var sizes = [0, 1, 2, 100, 200, 400, 1000]; // Run the test. for (var i = 0; i < sizes.length; i++) { testLiteral(sizes[i]); }