/// 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 ch15/15.4/15.4.4/15.4.4.20/15.4.4.20-9-c-i-17.js * @description Array.prototype.filter - element to be retrieved is own accessor property without a get function on an Array-like object */ function testcase() { function callbackfn(val, idx, obj) { return undefined === val && idx === 1; } var obj = { length: 2 }; Object.defineProperty(obj, "1", { set: function () { }, configurable: true }); var newArr = Array.prototype.filter.call(obj, callbackfn); return newArr.length === 1 && newArr[0] === undefined; } runTestCase(testcase);