1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *
15  *  See the License for the specific language governing permissions and
16  *  limitations under the License.
17  */
18 
19 /**
20  * @author Vitaly A. Provodin
21  */
22 
23 /**
24  * Created on 15.02.2005
25  */
26 package org.apache.harmony.jpda.tests.jdwp.ThreadReference;
27 
28 import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket;
29 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPCommands;
30 import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket;
31 import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase;
32 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
33 
34 
35 /**
36  * JDWP Unit test for ThreadReference.ThreadGroup command.
37  */
38 public class ThreadGroupTest extends JDWPSyncTestCase {
39 
getDebuggeeClassName()40     protected String getDebuggeeClassName() {
41         return "org.apache.harmony.jpda.tests.jdwp.ThreadReference.ThreadGroupDebuggee";
42     }
43 
44     /**
45      * This testcase exercises ThreadReference.ThreadGroup command.
46      * <BR>At first the test starts ThreadGroupDebuggee which creates
47      * 'TESTED_GROUP' ThreadGroup and starts the 'TESTED_THREAD' thread which
48      * belongs to that thread group.
49      * <BR>After the tested thread starts but does not finish, test requests all
50      * debuggee threads by VirtualMachine.AllThreads command and looks for tested thread.
51      * <BR>If the tested thread is not found the test fails.
52      * <BR>If the tested thread is found the test checks that
53      * ThreadReference.ThreadGroup command for tested thread returns 'TESTED_GROUP' thread group.
54      */
testThreadGroup001()55     public void testThreadGroup001() {
56         logWriter.println("wait for SGNL_READY");
57         synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
58 
59         // getting ID of the tested thread
60         CommandPacket packet;
61         logWriter.println("get all threads");
62         ReplyPacket replyThread, reply = debuggeeWrapper.vmMirror.getAllThreadID();
63         int threads = reply.getNextValueAsInt();
64         logWriter.println("exercise threads = " + threads);
65 
66         long threadID, groupID;
67         String groupName, threadName;
68         int count = 0;
69 
70         for (int i = 0; i < threads; i++) {
71             threadID = reply.getNextValueAsThreadID();
72 
73             // getting the thread group ID
74             packet = new CommandPacket(
75                     JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
76                     JDWPCommands.ThreadReferenceCommandSet.ThreadGroupCommand);
77             packet.setNextValueAsThreadID(threadID);
78 
79             replyThread = debuggeeWrapper.vmMirror.performCommand(packet);
80             checkReplyPacket(replyThread, "ThreadReference::ThreadGroup command");
81 
82             groupID = replyThread.getNextValueAsThreadGroupID();
83 
84             groupName = debuggeeWrapper.vmMirror.getThreadGroupName(groupID);
85             threadName = debuggeeWrapper.vmMirror.getThreadName(threadID);
86 
87             logWriter.println("\tthreadID=" + threadID
88                     + "; threadName=" + threadName
89                     + "; groupID=" + groupID
90                     + "; groupName=" + groupName);
91 
92             if (threadName.equals(ThreadGroupDebuggee.TESTED_THREAD)) {
93                 if (!groupName.equals(ThreadGroupDebuggee.TESTED_GROUP)) {
94                     printErrorAndFail("unexpected group name, it is expected: "
95                             + ThreadGroupDebuggee.TESTED_GROUP);
96                 }
97                 count++;
98             }
99         }
100         if (count == 0) {
101             printErrorAndFail("Tested thread is not found in all_threads list.");
102         }
103 
104         synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
105         logWriter.println("waiting for finishing thread");
106         synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
107         synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
108     }
109 }
110