1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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   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
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
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  23 
  24 /*
  25  * @test
  26  * @bug     7074616
  27  * @summary Basic unit test of the
  28  *          ManagementFactory.getPlatformManagementInterfaces() method
  29  * @author  Frederic Parain
  30  *
  31  * @run main GetPlatformManagementInterfaces
  32  */
  33 
  34 import java.lang.management.*;
  35 import java.io.IOException;
  36 import java.util.*;
  37 import javax.management.*;
  38 
  39 import static java.lang.management.ManagementFactory.*;
  40 
  41 public class GetPlatformManagementInterfaces {
  42 
  43     private static enum ManagementInterfaces {
  44         CLASS_LOADING_MXBEAN(ClassLoadingMXBean.class),
  45         COMPILATION_MXBEAN(CompilationMXBean.class),
  46         MEMORY_MXBEAN(MemoryMXBean.class),
  47         OPERATING_SYSTEM_MXBEAN(OperatingSystemMXBean.class),
  48         RUNTIME_MXBEAN(RuntimeMXBean.class),
  49         THREAD_MXBEAN(ThreadMXBean.class),
  50         GARBAGE_COLLECTOR_MXBEAN(GarbageCollectorMXBean.class),
  51         MEMORY_MANAGER_MXBEAN(MemoryManagerMXBean.class),
  52         MEMORY_POOL_MXBEAN(MemoryPoolMXBean.class);
  53 
  54         private final Class<? extends PlatformManagedObject> managementInterface;
  55         private ManagementInterfaces(Class<? extends PlatformManagedObject> minterface) {
  56             managementInterface = minterface;
  57         }
  58         public Class<? extends PlatformManagedObject> getManagementInterface() {
  59             return managementInterface;
  60         }
  61     };
  62 
  63     public static void main(String[] args) {
  64         Set<Class<? extends PlatformManagedObject>> interfaces =
  65             ManagementFactory.getPlatformManagementInterfaces();
  66         for(Class<? extends PlatformManagedObject> pom : interfaces) {
  67             List<? extends PlatformManagedObject> list =
  68                 ManagementFactory.getPlatformMXBeans(pom);
  69         }
  70         for(ManagementInterfaces mi : ManagementInterfaces.values()) {
  71             if(!interfaces.contains(mi.getManagementInterface())) {
  72                 throw new RuntimeException(mi.getManagementInterface() + " not in ManagementInterfaces set");
  73             }
  74         }
  75     }
  76 }