/// 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 ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-1-15.js * @description Array.prototype.lastIndexOf applied to the Arguments object */ function testcase() { var obj = (function fun() { return arguments; }(1, 2, 3)); return Array.prototype.lastIndexOf.call(obj, 2) === 1; } runTestCase(testcase);