/*

 * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/*

 * @test

 * @bug 6636650

 * @summary Uninitialized class loaders should not be a parent of other

 *          class loaders.

 */

import java.net.*;

public class UninitializedParent {

    private static ClassLoader loader;

    public static void main(String[] args) throws Exception {

        System.setSecurityManager(new SecurityManager());

        // Create an uninitialized class loader

        try {

            new ClassLoader(null) {

                @Override

                protected void finalize() {

                    loader = this;

                }

            };

        } catch (SecurityException exc) {

            // Expected

        }

        System.gc();

        System.runFinalization();

        // if 'loader' isn't null, need to ensure that it can't be used as

        // parent

        if (loader != null) {

            try {

                // Create a class loader with 'loader' being the parent

                URLClassLoader child = URLClassLoader.newInstance

                    (new URL[0], loader);

                throw new RuntimeException("Test Failed!");

            } catch (SecurityException se) {

                System.out.println("Test Passed: Exception thrown");

            }

        } else {

            System.out.println("Test Passed: Loader is null");

        }

    }

}