/*

 * 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.

 *

 */

/*

 * @test

 * @bug     5058319

 * @summary Check if a RuntimeException is wrapped by RuntimeMBeanException

 *          only once.

 *

 * @author  Mandy Chung

 *

 * @build MXBeanException

 * @run main MXBeanException

 */

import java.lang.management.*;

import javax.management.*;

import java.util.*;

import static java.lang.management.ManagementFactory.*;

public class MXBeanException {

    private static MemoryPoolMXBean pool;

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

        List<MemoryPoolMXBean> pools =

            ManagementFactory.getMemoryPoolMXBeans();

        for (MemoryPoolMXBean p : pools) {

            if (!p.isUsageThresholdSupported()) {

                pool = p;

                break;

            }

        }

        // check if UnsupportedOperationException is thrown

        try {

            pool.setUsageThreshold(1000);

            throw new RuntimeException("TEST FAILED: " +

                "UnsupportedOperationException not thrown");

        } catch (UnsupportedOperationException e) {

            // expected

        }

        // check if UnsupportedOperationException is thrown

        // when calling through MBeanServer

        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();

        ObjectName on = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE +

                                       ",name=" + pool.getName());

        Attribute att = new Attribute("UsageThreshold", 1000);

        try {

            mbs.setAttribute(on, att);

        } catch (RuntimeMBeanException e) {

            checkMBeanException(e);

        } catch (RuntimeOperationsException e) {

            checkMBeanException(e);

        }

        // check if UnsupportedOperationException is thrown

        // when calling through proxy

        MemoryPoolMXBean proxy = newPlatformMXBeanProxy(mbs,

                                     on.toString(),

                                     MemoryPoolMXBean.class);

        try {

            proxy.setUsageThreshold(1000);

            throw new RuntimeException("TEST FAILED: " +

                "UnsupportedOperationException not thrown via proxy");

        } catch (UnsupportedOperationException e) {

            // expected

        }

        System.out.println("Test passed");

    }

    private static void checkMBeanException(JMRuntimeException e) {

        Throwable cause = e.getCause();

        if (!(cause instanceof UnsupportedOperationException)) {

            throw new RuntimeException("TEST FAILED: " + cause +

                "is not UnsupportedOperationException");

        }

    }

}