// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.6-4-618 description: > ES5 Attributes - all attributes in Array.prototype.filter are correct includes: [runTestCase.js] ---*/ function testcase() { var desc = Object.getOwnPropertyDescriptor(Array.prototype, "filter"); var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true); var temp = Array.prototype.filter; try { Array.prototype.filter = "2010"; var isWritable = (Array.prototype.filter === "2010"); var isEnumerable = false; for (var prop in Array.prototype) { if (prop === "filter") { isEnumerable = true; } } delete Array.prototype.filter; var isConfigurable = !Array.prototype.hasOwnProperty("filter"); return propertyAreCorrect && isWritable && !isEnumerable && isConfigurable; } finally { Object.defineProperty(Array.prototype, "filter", { value: temp, writable: true, enumerable: false, configurable: true }); } } runTestCase(testcase);