/// 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 ch15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-b-iii-2.js * @description Array.prototype.indexOf - returns without visiting subsequent element once search value is found */ function testcase() { var arr = [1, 2, , 1, 2]; var elementThirdAccessed = false; var elementFifthAccessed = false; Object.defineProperty(arr, "2", { get: function () { elementThirdAccessed = true; return 2; }, configurable: true }); Object.defineProperty(arr, "4", { get: function () { elementFifthAccessed = true; return 2; }, configurable: true }); arr.indexOf(2); return !elementThirdAccessed && !elementFifthAccessed; } runTestCase(testcase);