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 package org.apache.harmony.jpda.tests.jdwp.ClassType; 20 21 import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket; 22 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPCommands; 23 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants; 24 import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket; 25 import org.apache.harmony.jpda.tests.framework.jdwp.TaggedObject; 26 import org.apache.harmony.jpda.tests.framework.jdwp.Value; 27 import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase; 28 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer; 29 30 31 /** 32 * JDWP unit test for ClassType.InvokeMethod command. 33 */ 34 public class InvokeMethod003Test extends JDWPSyncTestCase { 35 @Override 36 protected String getDebuggeeClassName() { 37 return "org.apache.harmony.jpda.tests.jdwp.ClassType.InvokeMethod003Debuggee"; 38 } 39 40 /** 41 * This testcase exercises ClassType.InvokeMethod command. 42 * <BR>The test first starts the debuggee, request METHOD_ENTRY event so the 43 * application suspends on first invoke. 44 * <BR>Then sends ClassType.InvokeMethod command for method with null 45 * argument. Checks that returned value is expected int value and returned 46 * exception object is null. 47 * <BR>Finally resume the application. 48 */ 49 public void testInvokeMethod_null_argument() { 50 synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY); 51 52 // Get debuggee class ID. 53 String debuggeeClassSig = "Lorg/apache/harmony/jpda/tests/jdwp/ClassType/InvokeMethod003Debuggee;"; 54 long debuggeeTypeID = debuggeeWrapper.vmMirror.getClassID(debuggeeClassSig); 55 assertTrue("Failed to find debuggee class", debuggeeTypeID != 0); 56 57 // Set METHOD_ENTRY event request so application is suspended. 58 CommandPacket packet = new CommandPacket( 59 JDWPCommands.EventRequestCommandSet.CommandSetID, 60 JDWPCommands.EventRequestCommandSet.SetCommand); 61 packet.setNextValueAsByte(JDWPConstants.EventKind.METHOD_ENTRY); 62 packet.setNextValueAsByte(JDWPConstants.SuspendPolicy.ALL); 63 packet.setNextValueAsInt(1); 64 packet.setNextValueAsByte((byte) 4); // class-only modifier. 65 packet.setNextValueAsReferenceTypeID(debuggeeTypeID); 66 ReplyPacket reply = debuggeeWrapper.vmMirror.performCommand(packet); 67 checkReplyPacket(reply, "EventRequest::Set command"); 68 69 int requestID = reply.getNextValueAsInt(); 70 logWriter.println(" EventRequest.Set: requestID=" + requestID); 71 assertAllDataRead(reply); 72 synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE); 73 74 long targetThreadID = 0; 75 // Wait for METHOD_ENTRY event and collect event thread. 76 CommandPacket event = debuggeeWrapper.vmMirror.receiveEvent(); 77 byte suspendPolicy = event.getNextValueAsByte(); 78 int events = event.getNextValueAsInt(); 79 logWriter.println(" EVENT_THREAD event: suspendPolicy=" + suspendPolicy + " events=" + events); 80 for (int i = 0; i < events; i++) { 81 byte eventKind = event.getNextValueAsByte(); 82 int newRequestID = event.getNextValueAsInt(); 83 long threadID = event.getNextValueAsThreadID(); 84 //Location location = 85 event.getNextValueAsLocation(); 86 logWriter.println(" EVENT_THREAD event " + i + ": eventKind=" 87 + eventKind + " requestID=" + newRequestID + " threadID=" 88 + threadID); 89 if (newRequestID == requestID) { 90 targetThreadID = threadID; 91 } 92 } 93 assertAllDataRead(event); 94 assertTrue("Invalid targetThreadID, must be != 0", targetThreadID != 0); 95 96 // Now we're suspended, clear event request. 97 packet = new CommandPacket( 98 JDWPCommands.EventRequestCommandSet.CommandSetID, 99 JDWPCommands.EventRequestCommandSet.ClearCommand); 100 packet.setNextValueAsByte(JDWPConstants.EventKind.METHOD_ENTRY); 101 packet.setNextValueAsInt(requestID); 102 reply = debuggeeWrapper.vmMirror.performCommand(packet); 103 checkReplyPacket(reply, "EventRequest::Clear command"); 104 assertAllDataRead(reply); 105 106 // Get test method ID. 107 long targetMethodID = debuggeeWrapper.vmMirror.getMethodID(debuggeeTypeID, "testMethod"); 108 assertTrue("Failed to find method", targetMethodID != 0); 109 110 // Invoke test method with null argument. 111 Value nullObjectValue = Value.createObjectValue(JDWPConstants.Tag.OBJECT_TAG, 0); 112 packet = new CommandPacket( 113 JDWPCommands.ClassTypeCommandSet.CommandSetID, 114 JDWPCommands.ClassTypeCommandSet.InvokeMethodCommand); 115 packet.setNextValueAsClassID(debuggeeTypeID); 116 packet.setNextValueAsThreadID(targetThreadID); 117 packet.setNextValueAsMethodID(targetMethodID); 118 packet.setNextValueAsInt(1); 119 packet.setNextValueAsValue(nullObjectValue); 120 packet.setNextValueAsInt(0); 121 logWriter.println(" Send ClassType.InvokeMethod without Exception"); 122 reply = debuggeeWrapper.vmMirror.performCommand(packet); 123 checkReplyPacket(reply, "ClassType::InvokeMethod command"); 124 125 Value returnValue = reply.getNextValueAsValue(); 126 assertNotNull("Returned value is null", returnValue); 127 assertEquals("Invalid returned value,", 123, returnValue.getIntValue()); 128 logWriter.println(" ClassType.InvokeMethod: returnValue.getIntValue()=" 129 + returnValue.getIntValue()); 130 131 TaggedObject exception = reply.getNextValueAsTaggedObject(); 132 assertNotNull("Returned exception is null", exception); 133 assertTrue("Invalid exception object ID:<" + exception.objectID + ">", exception.objectID == 0); 134 assertEquals("Invalid exception tag,", JDWPConstants.Tag.OBJECT_TAG, exception.tag 135 , JDWPConstants.Tag.getName(JDWPConstants.Tag.OBJECT_TAG) 136 , JDWPConstants.Tag.getName(exception.tag)); 137 logWriter.println(" ClassType.InvokeMethod: exception.tag=" 138 + exception.tag + " exception.objectID=" + exception.objectID); 139 assertAllDataRead(reply); 140 141 // Let's resume application 142 debuggeeWrapper.vmMirror.resume(); 143 144 synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE); 145 } 146 } 147
