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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.harmony.jpda.tests.jdwp.ObjectReference;
import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket;
import org.apache.harmony.jpda.tests.framework.jdwp.JDWPCommands;
import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants;
import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket;
import org.apache.harmony.jpda.tests.framework.jdwp.TaggedObject;
import org.apache.harmony.jpda.tests.framework.jdwp.Value;
import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase;
import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
/**
* JDWP unit test for ObjectReference.InvokeMethod command.
*/
public class InvokeMethod002Test extends JDWPSyncTestCase {
@Override
protected String getDebuggeeClassName() {
return "org.apache.harmony.jpda.tests.jdwp.ObjectReference.InvokeMethod002Debuggee";
}
/**
* This testcase exercises ObjectReference.InvokeMethod command.
* <BR>The test first starts the debuggee, request METHOD_ENTRY event so the
* application suspends on first invoke.
* <BR>Then sends ClassType.InvokeMethod command for method with null
* argument. Checks that returned value is expected int value and returned
* exception object is null.
* <BR>Finally resume the application.
*/
public void testInvokeMethod_null_argument() {
synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
// Get debuggee class ID.
String debuggeeClassSig = "Lorg/apache/harmony/jpda/tests/jdwp/ObjectReference/InvokeMethod002Debuggee;";
long debuggeeTypeID = debuggeeWrapper.vmMirror.getClassID(debuggeeClassSig);
assertTrue("Failed to find debuggee class", debuggeeTypeID != 0);
// Set METHOD_ENTRY event request so application is suspended.
CommandPacket packet = new CommandPacket(
JDWPCommands.EventRequestCommandSet.CommandSetID,
JDWPCommands.EventRequestCommandSet.SetCommand);
packet.setNextValueAsByte(JDWPConstants.EventKind.METHOD_ENTRY);
packet.setNextValueAsByte(JDWPConstants.SuspendPolicy.ALL);
packet.setNextValueAsInt(1);
packet.setNextValueAsByte((byte) 4); // class-only modifier.
packet.setNextValueAsReferenceTypeID(debuggeeTypeID);
ReplyPacket reply = debuggeeWrapper.vmMirror.performCommand(packet);
checkReplyPacket(reply, "EventRequest::Set command");
int requestID = reply.getNextValueAsInt();
logWriter.println(" EventRequest.Set: requestID=" + requestID);
assertAllDataRead(reply);
synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
long targetThreadID = 0;
// Wait for METHOD_ENTRY event and collect event thread.
CommandPacket event = debuggeeWrapper.vmMirror.receiveEvent();
byte suspendPolicy = event.getNextValueAsByte();
int events = event.getNextValueAsInt();
logWriter.println(" EVENT_THREAD event: suspendPolicy=" + suspendPolicy + " events=" + events);
for (int i = 0; i < events; i++) {
byte eventKind = event.getNextValueAsByte();
int newRequestID = event.getNextValueAsInt();
long threadID = event.getNextValueAsThreadID();
//Location location =
event.getNextValueAsLocation();
logWriter.println(" EVENT_THREAD event " + i + ": eventKind="
+ eventKind + " requestID=" + newRequestID + " threadID="
+ threadID);
if (newRequestID == requestID) {
targetThreadID = threadID;
}
}
assertAllDataRead(event);
assertTrue("Invalid targetThreadID, must be != 0", targetThreadID != 0);
// Now we're suspended, clear event request.
packet = new CommandPacket(
JDWPCommands.EventRequestCommandSet.CommandSetID,
JDWPCommands.EventRequestCommandSet.ClearCommand);
packet.setNextValueAsByte(JDWPConstants.EventKind.METHOD_ENTRY);
packet.setNextValueAsInt(requestID);
reply = debuggeeWrapper.vmMirror.performCommand(packet);
checkReplyPacket(reply, "EventRequest::Clear command");
assertAllDataRead(reply);
// Load value of the invoke's receiver.
long receiverFieldID = debuggeeWrapper.vmMirror.getFieldID(debuggeeTypeID, "invokeReceiver");
assertTrue("Failed to find receiver field", receiverFieldID != 0);
logWriter.println(" Send ReferenceType.GetValues");
packet = new CommandPacket(
JDWPCommands.ReferenceTypeCommandSet.CommandSetID,
JDWPCommands.ReferenceTypeCommandSet.GetValuesCommand);
packet.setNextValueAsReferenceTypeID(debuggeeTypeID);
packet.setNextValueAsInt(1); // looking for one field.
packet.setNextValueAsFieldID(receiverFieldID); // the field we're looking for.
reply = debuggeeWrapper.vmMirror.performCommand(packet);
checkReplyPacket(reply, "ReferenceType::GetValues command");
int valuesCount = reply.getNextValueAsInt(); // number of field values.
Value fieldValue = reply.getNextValueAsValue();
assertAllDataRead(reply);
assertEquals("Not the right number of values", 1, valuesCount);
assertNotNull("Received null value", fieldValue);
assertEquals("Expected an object value", JDWPConstants.Tag.OBJECT_TAG, fieldValue.getTag());
long receiverObjectID = fieldValue.getLongValue();
assertTrue("Field is null", receiverObjectID != 0);
// Get test class ID.
String testClassSig = "Lorg/apache/harmony/jpda/tests/jdwp/ObjectReference/InvokeMethod002Debuggee$TestClass;";
long testTypeID = debuggeeWrapper.vmMirror.getClassID(testClassSig);
assertTrue("Failed to find test class", testTypeID != 0);
// Get test method ID.
long targetMethodID = debuggeeWrapper.vmMirror.getMethodID(testTypeID, "testMethod");
assertTrue("Failed to find method", targetMethodID != 0);
// Invoke test method with null argument.
Value nullObjectValue = new Value(JDWPConstants.Tag.OBJECT_TAG, 0);
packet = new CommandPacket(
JDWPCommands.ObjectReferenceCommandSet.CommandSetID,
JDWPCommands.ObjectReferenceCommandSet.InvokeMethodCommand);
packet.setNextValueAsObjectID(receiverObjectID);
packet.setNextValueAsThreadID(targetThreadID);
packet.setNextValueAsClassID(testTypeID);
packet.setNextValueAsMethodID(targetMethodID);
packet.setNextValueAsInt(1);
packet.setNextValueAsValue(nullObjectValue);
packet.setNextValueAsInt(0);
logWriter.println(" Send ObjectReference.InvokeMethod without Exception");
reply = debuggeeWrapper.vmMirror.performCommand(packet);
checkReplyPacket(reply, "ObjectReference::InvokeMethod command");
Value returnValue = reply.getNextValueAsValue();
assertNotNull("Returned value is null", returnValue);
assertEquals("Invalid returned value,", 123, returnValue.getIntValue());
logWriter.println(" ClassType.InvokeMethod: returnValue.getIntValue()="
+ returnValue.getIntValue());
TaggedObject exception = reply.getNextValueAsTaggedObject();
assertNotNull("Returned exception is null", exception);
assertTrue("Invalid exception object ID:<" + exception.objectID + ">", exception.objectID == 0);
assertEquals("Invalid exception tag,", JDWPConstants.Tag.OBJECT_TAG, exception.tag
, JDWPConstants.Tag.getName(JDWPConstants.Tag.OBJECT_TAG)
, JDWPConstants.Tag.getName(exception.tag));
logWriter.println(" ClassType.InvokeMethod: exception.tag="
+ exception.tag + " exception.objectID=" + exception.objectID);
assertAllDataRead(reply);
// Let's resume application
debuggeeWrapper.vmMirror.resume();
synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
}
}
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