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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.*;
import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase;
import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
/**
* JDWP unit test for ObjectReference.InvokeMethod command on an
* overridden default method.
*/
public class InvokeMethodDefault002Test extends JDWPSyncTestCase {
protected String getDebuggeeClassName() {
return InvokeMethodDefault002Debuggee.class.getName();
}
/**
* This testcase exercises ObjectReference.InvokeMethod command.
* <BR>The test first starts the debuggee, requests METHOD_ENTRY event so
* the application suspends on first invoke.
* <BR>Then sends ObjectReference.InvokeMethod command to invoke method
* InvokeMethodDefaultTest$TestInterface.testDefaultMethod on an instance
* of a subclass of Object overriding the method toString.
* <BR>Checks that returned value is expected string value and returned
* exception object is null.
* <BR>Finally resumes the application.
* @param shouldThrow If true test that we can make the function throw.
*/
private void testInvokeMethod(boolean shouldThrow) {
synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
// Get debuggee class ID.
String debuggeeClassSig = getDebuggeeClassSignature();
long debuggeeTypeID = debuggeeWrapper.vmMirror.getClassID(debuggeeClassSig);
assertTrue("Failed to find debuggee class", debuggeeTypeID != 0L);
// 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); // number of modifiers
packet.setNextValueAsByte(EventMod.ModKind.ClassOnly); // 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();
event.getNextValueAsLocation(); // location
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 != 0L);
// Now we're suspended, clear event request.
debuggeeWrapper.vmMirror.clearEvent(JDWPConstants.EventKind.METHOD_ENTRY, requestID);
// Load value of the invoke's receiver.
long receiverFieldID =
debuggeeWrapper.vmMirror.getFieldID(debuggeeTypeID, "invokeReceiver");
assertTrue("Failed to find receiver field", receiverFieldID != 0L);
logWriter.println(" Send ReferenceType.GetValues");
Value fieldValue = debuggeeWrapper.vmMirror.getReferenceTypeValue(debuggeeTypeID, receiverFieldID);
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 != 0L);
// Get test class ID.
String testClassSig = getClassSignature(InvokeMethodDefault002Debuggee.TestClass.class);
long testTypeID = debuggeeWrapper.vmMirror.getClassID(testClassSig);
assertTrue("Failed to find test class", testTypeID != 0L);
// Get InvokeMethodDefaultDebuggee.TestInterface class ID.
long interfaceTypeID = debuggeeWrapper.vmMirror.getInterfaceID(
getClassSignature(InvokeMethodDefault002Debuggee.TestInterface.class));
assertTrue("Failed to find InvokeMethodDefault002Debuggee.TestInterface class",
interfaceTypeID != 0L);
// Get InvokeMethodDefaultDebuggee.TestInterface.testDefaultMethod method ID.
long targetMethodID =
debuggeeWrapper.vmMirror.getMethodID(interfaceTypeID, "testDefaultMethod");
assertTrue("Failed to find method", targetMethodID != 0L);
logWriter.println(" Method ID=" + targetMethodID);
// The method argument.
Value throwValue = new Value(shouldThrow);
// Invoke method.
packet = new CommandPacket(
JDWPCommands.ObjectReferenceCommandSet.CommandSetID,
JDWPCommands.ObjectReferenceCommandSet.InvokeMethodCommand);
packet.setNextValueAsObjectID(receiverObjectID);
packet.setNextValueAsThreadID(targetThreadID);
packet.setNextValueAsClassID(testTypeID); // TestClass type ID.
packet.setNextValueAsMethodID(targetMethodID); // testDefaultMethod method ID.
packet.setNextValueAsInt(1); // 1 argument.
packet.setNextValueAsValue(throwValue);
packet.setNextValueAsInt(0); // invoke options.
logWriter.println(" Send ObjectReference.InvokeMethod " +
((shouldThrow) ? "with" : "without") + " exception");
reply = debuggeeWrapper.vmMirror.performCommand(packet);
checkReplyPacket(reply, "ObjectReference::InvokeMethod command");
Value returnValue = reply.getNextValueAsValue();
assertNotNull("Returned value is null", returnValue);
if (shouldThrow) {
assertEquals("Invalid returned value,", 0, returnValue.getIntValue());
logWriter.println(" ObjectReference.InvokeMethod: returnValue.getIntValue()="
+ returnValue.getIntValue());
// Check that some exception was thrown.
TaggedObject exception = reply.getNextValueAsTaggedObject();
assertNotNull("Returned exception is null", exception);
assertTrue("Invalid exception object ID:<" + exception.objectID + ">",
exception.objectID != 0L);
assertEquals("Invalid exception tag,", JDWPConstants.Tag.OBJECT_TAG, exception.tag
, JDWPConstants.Tag.getName(JDWPConstants.Tag.OBJECT_TAG)
, JDWPConstants.Tag.getName(exception.tag));
logWriter.println(" InterfaceType.InvokeMethod: exception.tag="
+ exception.tag + " exception.objectID=" + exception.objectID);
} else {
assertEquals("Invalid returned value,",
InvokeMethodDefault002Debuggee.TestClass.RETURN_VALUE, returnValue.getIntValue());
logWriter.println(" ObjectReference.InvokeMethod: returnValue.getIntValue()="
+ returnValue.getIntValue());
TaggedObject exception = reply.getNextValueAsTaggedObject();
assertNotNull("Returned exception is null", exception);
assertEquals("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(" ObjectReference.InvokeMethod: exception.tag="
+ exception.tag + " exception.objectID=" + exception.objectID);
}
// Let's resume application
debuggeeWrapper.vmMirror.resume();
synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
}
public void testInvokeMethodFromInterfaceThrow() {
testInvokeMethod(true);
}
public void testInvokeMethodFromInterfaceNoThrow() {
testInvokeMethod(false);
}
}
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