/// 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-i-29.js * @description Array.prototype.indexOf - side-effects are visible in subsequent iterations on an Array-like object */ function testcase() { var preIterVisible = false; var obj = { length: 2 }; Object.defineProperty(obj, "0", { get: function () { preIterVisible = true; return false; }, configurable: true }); Object.defineProperty(obj, "1", { get: function () { if (preIterVisible) { return true; } else { return false; } }, configurable: true }); return Array.prototype.indexOf.call(obj, true) === 1; } runTestCase(testcase);