/// 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 ch15/15.2/15.2.3/15.2.3.13/15.2.3.13-2-26.js
 * @description Object.isExtensible returns false if O is not extensible and has a prototype that is extensible
 */


function testcase() {

        var proto = {};

        var ConstructFun = function () { };
        ConstructFun.prototype = proto;
        var obj = new ConstructFun();

        Object.preventExtensions(obj);

        return !Object.isExtensible(obj);

    }
runTestCase(testcase);