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 Anton V. Karnachuk
21  */
22 
23 /**
24  * Created on 14.02.2005
25  */
26 package org.apache.harmony.jpda.tests.jdwp.Method;
27 
28 import java.io.UnsupportedEncodingException;
29 import java.util.Arrays;
30 
31 import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket;
32 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPCommands;
33 import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket;
34 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
35 
36 
37 
38 /**
39  * JDWP Unit test for Method.Bytecodes command.
40  */
41 public class BytecodesTest extends JDWPMethodTestCase {
42     /**
43      * This testcase exercises Method.Bytecodes command.
44      * <BR>It runs MethodDebuggee. Gets methods with ReferenceType.Methods command,
45      * prints it's bytecodes received with Method.Bytecodes command.
46      */
testBytecodesTest001()47     public void testBytecodesTest001() throws UnsupportedEncodingException {
48         logWriter.println("testBytecodesTest001 started");
49 
50         //check capability, relevant for this test
51         logWriter.println("=> Check capability: canGetBytecodes");
52         debuggeeWrapper.vmMirror.capabilities();
53         boolean isCapability = debuggeeWrapper.vmMirror.targetVMCapabilities.canGetBytecodes;
54         if (!isCapability) {
55             logWriter.println("##WARNING: this VM doesn't possess capability: canGetBytecodes");
56             return;
57         }
58 
59         synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
60 
61         long classID = getClassIDBySignature("L"+getDebuggeeClassName().replace('.', '/')+";");
62 
63         MethodInfo[] methodsInfo = jdwpGetMethodsInfo(classID);
64         assertFalse("Invalid number of methods", methodsInfo.length == 0);
65 
66         for (int i = 0; i < methodsInfo.length; i++) {
67             logWriter.println(methodsInfo[i].toString());
68 
69             // get variable table for this class
70             CommandPacket packet = new CommandPacket(
71                     JDWPCommands.MethodCommandSet.CommandSetID,
72                     JDWPCommands.MethodCommandSet.BytecodesCommand);
73             packet.setNextValueAsClassID(classID);
74             packet.setNextValueAsMethodID(methodsInfo[i].getMethodID());
75             ReplyPacket reply = debuggeeWrapper.vmMirror.performCommand(packet);
76             checkReplyPacket(reply, "Method::Bytecodes command");
77 
78             int bytes = reply.getNextValueAsInt();
79             logWriter.println("bytes = " + bytes);
80 
81             byte[] bytecode = new byte[bytes];
82             for (int j = 0; j < bytes; j++) {
83                 bytecode[j] = reply.getNextValueAsByte();
84             }
85 
86             logWriter.println("Bytecode=" + Arrays.toString(bytecode));
87         }
88 
89         synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
90     }
91 }
92