JezK
Edit File: call-stub.js
// Copyright 2010 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. function Hash() { for (var i = 0; i < 100; i++) { this['a' + i] = i; } delete this.a50; // Ensure it's a normal object. } Hash.prototype.m = function() { return 1; }; var h = new Hash(); for (var i = 1; i < 100; i++) { if (i == 50) { h.m = function() { return 2; }; } else if (i == 70) { delete h.m; } assertEquals(i < 50 || i >= 70 ? 1 : 2, h.m()); } var nonsymbol = 'wwwww '.split(' ')[0]; Hash.prototype.wwwww = Hash.prototype.m; for (var i = 1; i < 100; i++) { if (i == 50) { h[nonsymbol] = function() { return 2; }; } else if (i == 70) { delete h[nonsymbol]; } assertEquals(i < 50 || i >= 70 ? 1 : 2, h.wwwww()); }