// 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. /*--- es5id: 15.4.4.21-8-b-iii-1-22 description: > Array.prototype.reduce - element to be retrieved is inherited accessor property without a get function on an Array includes: [runTestCase.js] ---*/ function testcase() { var testResult = false; function callbackfn(prevVal, curVal, idx, obj) { if (idx === 1) { testResult = (prevVal === undefined); } } try { Object.defineProperty(Array.prototype, "0", { set: function () { }, configurable: true }); var arr = [, 1, 2]; arr.reduce(callbackfn); return testResult; } finally { delete Array.prototype[0]; } } runTestCase(testcase);