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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.
*/
/**
* @author Ruslan A. Scherbakov
*/
/**
* Created on 14.06.2006
*/
package org.apache.harmony.jpda.tests.jdwp.Events;
import org.apache.harmony.jpda.tests.framework.jdwp.EventPacket;
import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants;
import org.apache.harmony.jpda.tests.framework.jdwp.ParsedEvent;
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.share.JPDADebuggeeSynchronizer;
/**
* JDWP Unit test for FIELD_MODIFICATION event.
*/
public class FieldModification002Test extends JDWPEventTestCase {
protected String getDebuggeeClassName() {
return FieldModification002Debuggee.class.getName();
}
/**
* This testcase is for FIELD_MODIFICATION event.
* <BR>It FieldModification002Debuggee that modifies the value of its own fields
* and verifies that requested FIELD_MODIFICATION events occur and
* correct type tag is returned for each event.
*/
public void testFieldModifyEvent() {
logWriter.println("FieldModification002Test started");
synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
String classSignature = "L" + getDebuggeeClassName().replace('.', '/') + ";";
hookFieldModification(classSignature, "testBoolField", JDWPConstants.Tag.BOOLEAN_TAG);
hookFieldModification(classSignature, "testByteField", JDWPConstants.Tag.BYTE_TAG);
hookFieldModification(classSignature, "testCharField", JDWPConstants.Tag.CHAR_TAG);
hookFieldModification(classSignature, "testShortField", JDWPConstants.Tag.SHORT_TAG);
hookFieldModification(classSignature, "testIntField", JDWPConstants.Tag.INT_TAG);
hookFieldModification(classSignature, "testLongField", JDWPConstants.Tag.LONG_TAG);
hookFieldModification(classSignature, "testFloatField", JDWPConstants.Tag.FLOAT_TAG);
hookFieldModification(classSignature, "testDoubleField", JDWPConstants.Tag.DOUBLE_TAG);
hookFieldModification(classSignature, "testObjectField", JDWPConstants.Tag.OBJECT_TAG);
hookFieldModification(classSignature, "testThreadField", JDWPConstants.Tag.THREAD_TAG);
hookFieldModification(classSignature, "testThreadGroupField", JDWPConstants.Tag.THREAD_GROUP_TAG);
hookFieldModification(classSignature, "testClassField", JDWPConstants.Tag.CLASS_OBJECT_TAG);
hookFieldModification(classSignature, "testClassLoaderField", JDWPConstants.Tag.CLASS_LOADER_TAG);
hookFieldModification(classSignature, "testStringField", JDWPConstants.Tag.STRING_TAG);
hookFieldModification(classSignature, "testIntArrayField", JDWPConstants.Tag.ARRAY_TAG);
hookFieldModification(classSignature, "testStringArrayField", JDWPConstants.Tag.ARRAY_TAG);
hookFieldModification(classSignature, "testObjectArrayField", JDWPConstants.Tag.ARRAY_TAG);
logWriter.println("FieldModification002Test done");
}
/**
* Sets FIELD_MODIFICATION breakpoint,
* synchrinizes debuggee,
* expects field notification event,
* verifies new value assigned to the field
* and clears set breakpoint.
*
* @param classSignature signature of class containing the given field
* @param fieldName the name of field to break on modification
* @param expectedTag expected type tag of new values assigned to the field
*/
public void hookFieldModification(String classSignature, String fieldName, byte expectedTag) {
// set breakpoint
logWriter.println("Set hook for: " + fieldName);
ReplyPacket reply = debuggeeWrapper.vmMirror.setFieldModification(classSignature, JDWPConstants.TypeTag.CLASS, fieldName);
checkReplyPacket(reply, "Set FIELD_MODIFICATION event");
int requestID = reply.getNextValueAsInt();
assertAllDataRead(reply);
synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
EventPacket event = debuggeeWrapper.vmMirror.receiveEvent();
ParsedEvent[] parsedEvents = ParsedEvent.parseEventPacket(event);
// assert that event is the expected one
assertEquals("Invalid number of events,", 1, parsedEvents.length);
assertEquals("Invalid event kind,",
JDWPConstants.EventKind.FIELD_MODIFICATION,
parsedEvents[0].getEventKind(),
JDWPConstants.EventKind.getName(JDWPConstants.EventKind.FIELD_MODIFICATION),
JDWPConstants.EventKind.getName(parsedEvents[0].getEventKind()));
Value value =
((ParsedEvent.Event_FIELD_MODIFICATION)parsedEvents[0]).getValueToBe();
byte tag = value.getTag();
assertEquals("Invalid value tag,",
expectedTag,
tag,
JDWPConstants.Tag.getName(expectedTag),
JDWPConstants.Tag.getName(tag));
TaggedObject modifiedField =
((ParsedEvent.Event_FIELD_MODIFICATION)parsedEvents[0]).getObject();
// assert that exception class is the expected one
long typeID = getObjectReferenceType(modifiedField.objectID);
String returnedExceptionSignature = getClassSignature(typeID);
assertString("Invalid class signature,",
classSignature, returnedExceptionSignature);
logWriter.println("Field: " + fieldName +
", tag of new value: " + value +
", tag: " + (char)tag+ " - OK");
// clear breakpoint
clearEvent(JDWPConstants.EventKind.FIELD_MODIFICATION, requestID, false);
// and resume target VM
resumeDebuggee();
}
}
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