/// 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-a-4.js * @description Array.prototype.indexOf - deleted properties in step 2 are visible here */ function testcase() { var arr = { 2: 6.99 }; Object.defineProperty(arr, "length", { get: function () { delete arr[2]; return 3; }, configurable: true }); return -1 === Array.prototype.indexOf.call(arr, 6.99); } runTestCase(testcase);