/// 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 ch15/15.4/15.4.4/15.4.4.17/15.4.4.17-7-c-i-14.js * @description Array.prototype.some - element to be retrieved is own accessor property that overrides an inherited accessor property on an Array */ function testcase() { var kValue = "abc"; function callbackfn(val, idx, obj) { if (idx === 1) { return val === kValue; } return false; } var arr = []; Object.defineProperty(arr, "1", { get: function () { return kValue; }, configurable: true }); try { Object.defineProperty(Array.prototype, "1", { get: function () { return 10; }, configurable: true }); return arr.some(callbackfn); } finally { delete Array.prototype[1]; } } runTestCase(testcase);