test262/test/built-ins/Object/isFrozen/15.2.3.12-2-a-13.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.12-2-a-13
description: Object.isFrozen - 'O' is a Function object
includes: [runTestCase.js]
---*/

function testcase() {

        var obj = function () { };
        
        Object.defineProperty(obj, "property", {
            value: 12,
            writable: true,
            configurable: false
        });

        Object.preventExtensions(obj);

        return !Object.isFrozen(obj);
    }
runTestCase(testcase);