// 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. /*--- es5id: 15.2.3.6-4-613 description: ES5 Attributes - all attributes in Object.lastIndexOf are correct includes: [runTestCase.js] ---*/ function testcase() { var desc = Object.getOwnPropertyDescriptor(Array.prototype, "lastIndexOf"); var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true); var temp = Array.prototype.lastIndexOf; try { Array.prototype.lastIndexOf = "2010"; var isWritable = (Array.prototype.lastIndexOf === "2010"); var isEnumerable = false; for (var prop in Array.prototype) { if (prop === "lastIndexOf") { isEnumerable = true; } } delete Array.prototype.lastIndexOf; var isConfigurable = !Array.prototype.hasOwnProperty("lastIndexOf"); return propertyAreCorrect && isWritable && !isEnumerable && isConfigurable; } finally { Object.defineProperty(Array.prototype, "lastIndexOf", { value: temp, writable: true, enumerable: false, configurable: true }); } } runTestCase(testcase);