// 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.

/*---
es5id: 15.4.4.14-2-2
description: Array.prototype.indexOf - 'length' is own data property on an Array
includes: [runTestCase.js]
---*/

function testcase() {
        var targetObj = {};
        try {
            Array.prototype[2] = targetObj;
            
            return [0, targetObj].indexOf(targetObj) === 1 &&
                [0, 1].indexOf(targetObj) === -1;

        } finally {
            delete Array.prototype[2];
        }
    }
runTestCase(testcase);
