/// 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 ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-3-21.js * @description Array.prototype.reduce - 'length' is an object that has an own valueOf method that returns an object and toString method that returns a string */ function testcase() { var valueOfOccured = false; var toStringOccured = false; function callbackfn(prevVal, curVal, idx, obj) { return (curVal === 11 && idx === 1); } var obj = { 1: 11, 2: 9, length: { valueOf: function () { valueOfOccured = true; return {}; }, toString: function () { toStringOccured = true; return '2'; } } }; return Array.prototype.reduce.call(obj, callbackfn, 1) === true && valueOfOccured && toStringOccured; } runTestCase(testcase);