// 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: Object.isExtensible returns false if 'O' is not extensible
includes: [runTestCase.js]
---*/

function testcase() {

        var obj = {};
        Object.preventExtensions(obj);
        return !Object.isExtensible(obj);

    }
runTestCase(testcase);