/// Copyright (c) 2012 Ecma International. All rights reserved. /// Ecma International makes this code available under the terms and conditions set /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the /// "Use Terms"). Any redistribution of this code must retain the above /// copyright and this notice and otherwise comply with the Use Terms. /** * @path ch15/15.4/15.4.4/15.4.4.18/15.4.4.18-1-10.js * @description Array.prototype.forEach applied to the Math object */ function testcase() { var result = false; function callbackfn(val, idx, obj) { result = ('[object Math]' === Object.prototype.toString.call(obj)); } try { Math.length = 1; Math[0] = 1; Array.prototype.forEach.call(Math, callbackfn); return result; } finally { delete Math[0]; delete Math.length; } } runTestCase(testcase);