/// 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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-616.js * @description ES5 Attributes - all attributes in Array.prototype.forEach are correct */ function testcase() { var desc = Object.getOwnPropertyDescriptor(Array.prototype, "forEach"); var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true); var temp = Array.prototype.forEach; try { Array.prototype.forEach = "2010"; var isWritable = (Array.prototype.forEach === "2010"); var isEnumerable = false; for (var prop in Array.prototype) { if (prop === "forEach") { isEnumerable = true; } } delete Array.prototype.forEach; var isConfigurable = !Array.prototype.hasOwnProperty("forEach"); return propertyAreCorrect && isWritable && !isEnumerable && isConfigurable; } finally { Object.defineProperty(Array.prototype, "forEach", { value: temp, writable: true, enumerable: false, configurable: true }); } } runTestCase(testcase);