/// 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 ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-5-6.js * @description Array.prototype.lastIndexOf when 'fromIndex' isn't passed */ function testcase() { var arr = [0, 1, 2, 3, 4]; //'fromIndex' will be set as 4 if not passed by default return arr.lastIndexOf(0) === arr.lastIndexOf(0, 4) && arr.lastIndexOf(2) === arr.lastIndexOf(2, 4) && arr.lastIndexOf(4) === arr.lastIndexOf(4, 4); } runTestCase(testcase);