/// 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 ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-b-4.js * @description Array.prototype.reduceRight - properties added into own object in step 8 can be visited on an Array-like object */ function testcase() { var testResult = false; function callbackfn(preVal, curVal, idx, obj) { if (idx === 0 && curVal === 0) { testResult = true; } } var obj = { length: 2 }; Object.defineProperty(obj, "1", { get: function () { Object.defineProperty(obj, "0", { get: function () { return 0; }, configurable: true }); return 1; }, configurable: true }); Array.prototype.reduceRight.call(obj, callbackfn); return testResult; } runTestCase(testcase);