/// 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 ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-9-8.js * @description Array.prototype.reduce - no observable effects occur if 'len' is 0 */ function testcase() { var accessed = false; var callbackAccessed = false; function callbackfn() { callbackAccessed = true; } var obj = { length: 0 }; Object.defineProperty(obj, "0", { get: function () { accessed = true; return 10; }, configurable: true }); Array.prototype.reduce.call(obj, function () { }, "initialValue"); return !accessed && !callbackAccessed; } runTestCase(testcase);