/// 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 ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-9.js * @description Array.prototype.reduceRight - modifications to length will change number of iterations */ function testcase() { var called = 0; function callbackfn(preVal, val, idx, obj) { called++; } var arr = [0, 1, 2, 3]; Object.defineProperty(arr, "4", { get: function () { arr.length = 2; }, configurable: true }); arr.reduceRight(callbackfn, "initialValue"); return called === 3; } runTestCase(testcase);