/// 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 ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-8-b-iii-1-5.js * @description Array.prototype.reduce - element to be retrieved is own data property that overrides an inherited accessor property on an Array-like object */ function testcase() { var testResult = false; function callbackfn(prevVal, curVal, idx, obj) { if (idx === 1) { testResult = (prevVal === "9"); } } var proto = {}; Object.defineProperty(proto, "0", { get: function () { return 0; }, configurable: true }); var Con = function () { }; Con.prototype = proto; var child = new Con(); child.length = 2; Object.defineProperty(child, "0", { value: "9", configurable: true }); child[1] = "1"; Array.prototype.reduce.call(child, callbackfn); return testResult; } runTestCase(testcase);