/// 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 ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-2-19.js * @description Array.prototype.lastIndexOf applied to String object which implements its own property get method */ function testcase() { var obj = function (a, b) { return a + b; }; obj[1] = "b"; obj[2] = "c"; return Array.prototype.lastIndexOf.call(obj, obj[1]) === 1 && Array.prototype.lastIndexOf.call(obj, obj[2]) === -1; } runTestCase(testcase);