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      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 Aleksander V. Budniy
     21  */
     22 
     23 /**
     24  * Created on 8.7.2005
     25  */
     26 package org.apache.harmony.jpda.tests.jdwp.MultiSession;
     27 
     28 import org.apache.harmony.jpda.tests.framework.TestOptions;
     29 import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket;
     30 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPCommands;
     31 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants;
     32 import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket;
     33 import org.apache.harmony.jpda.tests.framework.jdwp.Value;
     34 import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase;
     35 import org.apache.harmony.jpda.tests.jdwp.share.JDWPUnitDebuggeeWrapper;
     36 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
     37 
     38 
     39 /**
     40  * JDWP Unit test for verifying re-enabling of garbage collecting after re-connection.
     41  */
     42 public class EnableCollectionTest extends JDWPSyncTestCase {
     43 
     44     String checkedFieldName = "checkedObject";
     45     static final int testStatusPassed = 0;
     46     static final int testStatusFailed = -1;
     47     static final String thisCommandName = "MultiSession::EnableCollection command";
     48 
     49     static final String debuggeeSignature = "Lorg/apache/harmony/jpda/tests/jdwp/MultiSession/EnableCollectionDebuggee;";
     50 
     51     protected String getDebuggeeClassName() {
     52         return "org.apache.harmony.jpda.tests.jdwp.MultiSession.EnableCollectionDebuggee";
     53     }
     54 
     55     /**
     56      * This testcase verifies re-enabling of garbage collecting after re-connection.
     57      * <BR>It runs EnableCollectionDebuggee, disables garbage collecting for checked object
     58      * with ObjectReference.DisableCollection command and re-connects.
     59      * <BR>It is expected that checked object is garbage collected after re-connection.
     60      */
     61     public void testEnableCollection001() {
     62         String thisTestName = "testEnableCollection001";
     63         logWriter.println("==> testEnableCollection001 started..");
     64         synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
     65         finalSyncMessage = "TO_FINISH";
     66 
     67         long refTypeID = getClassIDBySignature(debuggeeSignature);
     68 
     69         logWriter.println("=> Debuggee class = " + getDebuggeeClassName());
     70         logWriter.println("=> referenceTypeID for Debuggee class = " + refTypeID);
     71 
     72         long checkedFieldID = debuggeeWrapper.vmMirror.getFieldID(refTypeID, checkedFieldName);
     73 
     74         logWriter.println
     75         ("=> Send ReferenceType::GetValues command for received fieldID and get ObjectID to check...");
     76 
     77         CommandPacket getValuesCommand = new CommandPacket(
     78                 JDWPCommands.ReferenceTypeCommandSet.CommandSetID,
     79                 JDWPCommands.ReferenceTypeCommandSet.GetValuesCommand);
     80         getValuesCommand.setNextValueAsReferenceTypeID(refTypeID);
     81         getValuesCommand.setNextValueAsInt(1);
     82         getValuesCommand.setNextValueAsFieldID(checkedFieldID);
     83 
     84         ReplyPacket getValuesReply = debuggeeWrapper.vmMirror.performCommand(getValuesCommand);
     85         getValuesCommand = null;
     86         checkReplyPacket(getValuesReply, "ReferenceType::GetValues command");
     87 
     88         int returnedValuesNumber = getValuesReply.getNextValueAsInt();
     89         logWriter.println("=> Returned values number = " + returnedValuesNumber);
     90         assertEquals("Invalid returned number of values,", 1, returnedValuesNumber);
     91 
     92         Value checkedObjectFieldValue = getValuesReply.getNextValueAsValue();
     93         byte checkedObjectFieldTag = checkedObjectFieldValue.getTag();
     94         logWriter.println("=> Returned field value tag for checked object= " + checkedObjectFieldTag
     95             + "(" + JDWPConstants.Tag.getName(checkedObjectFieldTag) + ")");
     96         assertEquals("Invalid object tag,", JDWPConstants.Tag.OBJECT_TAG, checkedObjectFieldTag);
     97 
     98         long checkedObjectID = checkedObjectFieldValue.getLongValue();
     99         logWriter.println("=> Returned checked ObjectID = " + checkedObjectID);
    100 
    101         logWriter.println
    102             ("\n=> CHECK: send " + thisCommandName + " for checked ObjectID...");
    103 
    104         CommandPacket checkedCommand = new CommandPacket(
    105                 JDWPCommands.ObjectReferenceCommandSet.CommandSetID,
    106                 JDWPCommands.ObjectReferenceCommandSet.DisableCollectionCommand);
    107         checkedCommand.setNextValueAsObjectID(checkedObjectID);
    108 
    109         ReplyPacket checkedReply = debuggeeWrapper.vmMirror.performCommand(checkedCommand);
    110         checkedCommand = null;
    111         checkReplyPacket(checkedReply, "ObjectReference::DisableCollection command");
    112 
    113         logWriter.println("=> CHECK: Reply is received without any error");
    114 
    115         logWriter.println("");
    116         logWriter.println("=> CLOSE CONNECTION..");
    117         closeConnection();
    118         logWriter.println("=> CONNECTION CLOSED");
    119         logWriter.println("");
    120         logWriter.println("=> OPEN NEW CONNECTION..");
    121         openConnection();
    122         logWriter.println("=> CONNECTION OPENED");
    123 
    124         logWriter.println("=> Resuming debuggee");
    125 
    126         // start the thread
    127         finalSyncMessage = null;
    128         synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
    129 
    130         String messageFromDebuggee = synchronizer.receiveMessage();
    131         logWriter.println
    132         ("\n=> Received message from Debuggee = \"" + messageFromDebuggee + "\"" );
    133         if ( messageFromDebuggee.equals
    134                 ("Checked Object is NOT UNLOADed; Pattern Object is UNLOADed;") ) {
    135             logWriter.println
    136                 ("## FAILURE: Checked Object is NOT UNLOADed after " + thisCommandName);
    137             fail("Invalid message from debuggee.");
    138         } else {
    139             logWriter.println("=> PASSED: It is expected result" );
    140         }
    141 
    142         assertAllDataRead(checkedReply);
    143 
    144         logWriter.println("=> Send to Debuggee signal to finish ...");
    145         synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
    146         logWriter.println("==> " + thisTestName + " for " + thisCommandName + ": FINISH");
    147         logWriter.println("==> testEnableCollection001 PASSED!");
    148     }
    149 
    150     protected void beforeDebuggeeStart(JDWPUnitDebuggeeWrapper debuggeeWrapper) {
    151         settings.setAttachConnectorKind();
    152         if (settings.getTransportAddress() == null) {
    153             settings.setTransportAddress(TestOptions.DEFAULT_ATTACHING_ADDRESS);
    154         }
    155         logWriter.println("ATTACH connector kind");
    156         super.beforeDebuggeeStart(debuggeeWrapper);
    157     }
    158 }
    159