// 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. /*--- description: > Array.prototype.lastIndexOf returns -1 when abs('fromIndex') is length of array includes: [runTestCase.js] ---*/ function testcase() { return [1, 2, 3, 4].lastIndexOf(2, -4) === -1; } runTestCase(testcase);