/// 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 ch15/15.4/15.4.4/15.4.4.20/15.4.4.20-9-c-i-28.js * @description Array.prototype.filter - element changed by getter on previous iterations is observed on an Array */ function testcase() { var preIterVisible = false; var arr = []; function callbackfn(val, idx, obj) { return idx === 1 && val === 9; } Object.defineProperty(arr, "0", { get: function () { preIterVisible = true; return 11; }, configurable: true }); Object.defineProperty(arr, "1", { get: function () { if (preIterVisible) { return 9; } else { return 11; } }, configurable: true }); var newArr = arr.filter(callbackfn); return newArr.length === 1 && newArr[0] === 9; } runTestCase(testcase);