/*

 * Copyright (c) 2003, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4839389

 * @summary Test that a class can load MBeans from its class loader

 * (at least if it is the system class loader)

 * @author Eamonn McManus

 * @run clean SystemClassLoaderTest

 * @run build SystemClassLoaderTest

 * @run main SystemClassLoaderTest

 */

import javax.management.MBeanServer;

import javax.management.MBeanServerFactory;

import javax.management.ObjectName;

/* Test that we can load an MBean using createMBean(className, objectName)

   even if the class of the MBean is not known to the JMX class loader.  */

public class SystemClassLoaderTest {

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

        // Instantiate the MBean server

        //

        System.out.println("Create the MBean server");

        MBeanServer mbs = MBeanServerFactory.createMBeanServer();

        ClassLoader mbsClassLoader = mbs.getClass().getClassLoader();

        String testClassName = Test.class.getName();

        // Check that the MBeanServer class loader does not know our test class

        try {

            Class.forName(testClassName, true, mbsClassLoader);

            System.out.println("TEST IS INVALID: MBEANSERVER'S CLASS LOADER " +

                               "KNOWS OUR TEST CLASS");

            System.exit(1);

        } catch (ClassNotFoundException e) {

            // As required

        }

        // Register the MBean

        //

        System.out.println("Create MBean from this class");

        ObjectName objectName = new ObjectName("whatever:type=whatever");

        mbs.createMBean(testClassName, objectName);

        // Test OK!

        //

        System.out.println("Bye! Bye!");

    }

    public static class Test implements TestMBean {

        public Test() {}

    }

    public static interface TestMBean {}

}