1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * 
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * The contents of this file are subject to the terms of either the Universal Permissive License
   7  * v 1.0 as shown at http://oss.oracle.com/licenses/upl
   8  *
   9  * or the following license:
  10  *
  11  * Redistribution and use in source and binary forms, with or without modification, are permitted
  12  * provided that the following conditions are met:
  13  * 
  14  * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
  15  * and the following disclaimer.
  16  * 
  17  * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
  18  * conditions and the following disclaimer in the documentation and/or other materials provided with
  19  * the distribution.
  20  * 
  21  * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
  22  * endorse or promote products derived from this software without specific prior written permission.
  23  * 
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
  25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  26  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
  27  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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  31  * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 package org.openjdk.jmc.rjmx.test;
  34 
  35 import static org.junit.Assert.assertNotNull;
  36 import static org.junit.Assert.assertTrue;
  37 import static org.junit.Assert.fail;
  38 
  39 import javax.management.MBeanServerConnection;
  40 import javax.management.ObjectName;
  41 
  42 import org.junit.Test;
  43 import org.openjdk.jmc.rjmx.IConnectionHandle;
  44 import org.openjdk.jmc.rjmx.subscription.IMBeanHelperService;
  45 
  46 /**
  47  * Sanity test for the default services available from the default implementation of
  48  * {@link IConnectionHandle} for Mission Control.
  49  */
  50 public class DefaultServicesTest extends ServerHandleTestCase {
  51 
  52         @Test
  53         public void testMBeanServerConnection() throws Exception {
  54                 IConnectionHandle handle = getDefaultServer().connect("Test");
  55                 MBeanServerConnection connection = handle.getServiceOrThrow(MBeanServerConnection.class);
  56 
  57                 String[] domains = connection.getDomains();
  58                 assertNotNull(connection.getDomains());
  59                 // At least java.lang, no matter what, or we're breaking J2SE compliance...
  60                 for (String domain : domains) {
  61                         if (domain.equals("java.lang")) {
  62                                 return;
  63                         }
  64                 }
  65                 fail("Could not find java.lang.management among the domains!");
  66         }
  67 
  68         @Test
  69         public void xtestMBeanHelperService() throws Exception {
  70                 IConnectionHandle handle = getDefaultServer().connect("Test");
  71                 IMBeanHelperService helper = handle.getServiceOrThrow(IMBeanHelperService.class);
  72 
  73                 // FIXME: JMC-4270 - Server time approximation is not reliable. Disabling until a solution is found.
  74 //              long time = System.currentTimeMillis();
  75 //
  76 //              // The server time calculations should not be this much off.
  77 //              long diff = time - helper.getApproximateServerTime(time);
  78 //              assertLessThan("Server time approximation off by more than five seconds", 5000L, Math.abs(diff));
  79 //              System.out.println("DefaultServicesTest.testMBeanHelperService(): Server time approximation difference = "
  80 //                              + Math.abs(diff) + " ms");
  81 
  82                 // Should at least contain the java.lang mbeans. Just testing for the Threading one.
  83                 assertTrue("Could not find the Threading MBean!", helper.getMBeanNames().contains(
  84                                 new ObjectName("java.lang:type=Threading")));
  85         }
  86 }