/*

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 * 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.

 *

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 */

/*

 * @test

 * @bug     7150256

 * @summary Basic Test for the DiagnosticCommandMBean

 * @author  Frederic Parain, Shanliang JIANG

 *

 * @run main/othervm DcmdMBeanDoubleInvocationTest

 */

import java.lang.management.ManagementFactory;

import javax.management.MBeanServer;

import javax.management.ObjectName;

import javax.management.*;

import javax.management.remote.*;

public class DcmdMBeanDoubleInvocationTest {

    private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME =

        "com.sun.management:type=DiagnosticCommand";

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

        System.out.println("--->JRCMD MBean Test: invocation on \"help VM.version\" ...");

        ObjectName name = new ObjectName(HOTSPOT_DIAGNOSTIC_MXBEAN_NAME);

        String[] helpArgs = {"-all", "\n", "VM.version"};

        Object[] dcmdArgs = {helpArgs};

        String[] signature = {String[].class.getName()};

        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();

        JMXServiceURL url = new JMXServiceURL("rmi", null, 0);

        JMXConnectorServer cs = null;

        JMXConnector cc = null;

        try {

            cs = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);

            cs.start();

            JMXServiceURL addr = cs.getAddress();

            cc = JMXConnectorFactory.connect(addr);

            MBeanServerConnection mbsc = cc.getMBeanServerConnection();

            String result = (String) mbsc.invoke(name, "help", dcmdArgs, signature);

            System.out.println(result);

            throw new Error("Test failed: Double commands have not been detected");

        } catch (RuntimeMBeanException ex) {

            if (ex.getCause() instanceof IllegalArgumentException) {

                System.out.println("JTest passed: Double commands have been detected");

            } else {

                ex.printStackTrace();

                throw new Error("TEST FAILED: got unknown exception "+ex);

            }

        } finally {

            try {

                cc.close();

                cs.stop();

            } catch (Exception e) {

            }

        }

    }

}