1 /*

     2  * Copyright 2004-2005 Sun Microsystems, Inc.  All Rights Reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

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

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug     5058319

    27  * @summary Check if a RuntimeException is wrapped by RuntimeMBeanException

    28  *          only once.

    29  *

    30  * @author  Mandy Chung

    31  *

    32  * @build MXBeanException

    33  * @run main MXBeanException

    34  */

    35 

    36 import java.lang.management.*;

    37 import javax.management.*;

    38 import java.util.*;

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

    40 

    41 public class MXBeanException {

    42     private static MemoryPoolMXBean pool;

    43 

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

    45         List<MemoryPoolMXBean> pools =

    46             ManagementFactory.getMemoryPoolMXBeans();

    47         for (MemoryPoolMXBean p : pools) {

    48             if (!p.isUsageThresholdSupported()) {

    49                 pool = p;

    50                 break;

    51             }

    52         }

    53 

    54         // check if UnsupportedOperationException is thrown

    55         try {

    56             pool.setUsageThreshold(1000);

    57             throw new RuntimeException("TEST FAILED: " +

    58                 "UnsupportedOperationException not thrown");

    59         } catch (UnsupportedOperationException e) {

    60             // expected

    61         }

    62 

    63         // check if UnsupportedOperationException is thrown

    64         // when calling through MBeanServer

    65         MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();

    66         ObjectName on = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE +

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

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

    69         try {

    70             mbs.setAttribute(on, att);

    71         } catch (RuntimeMBeanException e) {

    72             checkMBeanException(e);

    73         } catch (RuntimeOperationsException e) {

    74             checkMBeanException(e);

    75         }

    76 

    77         // check if UnsupportedOperationException is thrown

    78         // when calling through proxy

    79 

    80         MemoryPoolMXBean proxy = newPlatformMXBeanProxy(mbs,

    81                                      on.toString(),

    82                                      MemoryPoolMXBean.class);

    83         try {

    84             proxy.setUsageThreshold(1000);

    85             throw new RuntimeException("TEST FAILED: " +

    86                 "UnsupportedOperationException not thrown via proxy");

    87         } catch (UnsupportedOperationException e) {

    88             // expected

    89         }

    90 

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

    92     }

    93 

    94     private static void checkMBeanException(JMRuntimeException e) {

    95         Throwable cause = e.getCause();

    96         if (!(cause instanceof UnsupportedOperationException)) {

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

    98                 "is not UnsupportedOperationException");

    99         }

   100     }

   101 }