/// 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 ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-8-b-iii-1-30.js * @description Array.prototype.reduceRight - element changed by getter on current iteration is observed in subsequent iterations on an Array */ function testcase() { var testResult = false; function callbackfn(prevVal, curVal, idx, obj) { if (idx === 1) { testResult = (curVal === 1 && prevVal === 2); } } var arr = [0]; var preIterVisible = false; Object.defineProperty(arr, "1", { get: function () { if (preIterVisible) { return 1; } else { return "20"; } }, configurable: true }); Object.defineProperty(arr, "2", { get: function () { preIterVisible = true; return 2; }, configurable: true }); arr.reduceRight(callbackfn); return testResult; } runTestCase(testcase);