/// 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 ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-2-18.js
 * @description Array.prototype.lastIndexOf applied to String object which implements its own property get method
 */


function testcase() {

        var str = new String("012");
        try {
            String.prototype[3] = "3";
            return Array.prototype.lastIndexOf.call(str, "2") === 2 &&
                Array.prototype.lastIndexOf.call(str, "3") === -1;
        } finally {
            delete String.prototype[3];
        }
    }
runTestCase(testcase);
