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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.Events;
import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket;
import org.apache.harmony.jpda.tests.framework.jdwp.EventMod;
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.JDWPConstants.StepDepth;
import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants.StepSize;
import org.apache.harmony.jpda.tests.framework.jdwp.Location;
import org.apache.harmony.jpda.tests.framework.jdwp.ParsedEvent;
import org.apache.harmony.jpda.tests.framework.jdwp.ParsedEvent.EventThreadLocation;
import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket;
import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
/**
* JDWP Unit test for SINGLE_STEP event.
*/
public class SingleStepThroughReflectionTest extends JDWPEventTestCase {
private static final String DEBUGGEE_SIGNATURE = "Lorg/apache/harmony/jpda/tests/jdwp/Events/SingleStepThroughReflectionDebuggee;";
private static final String DEBUGGEE_CLASS_NAME = "org.apache.harmony.jpda.tests.jdwp.Events.SingleStepThroughReflectionDebuggee";
// The method where we set a breakpoint to suspend execution.
private static final String BREAKPOINT_METHOD = "breakpointTest";
// The method where we expect to suspend with the single-step.
private static final String EVENT_METHOD = "methodCalledThroughReflection";
protected String getDebuggeeClassName() {
return DEBUGGEE_CLASS_NAME;
}
/**
* This test case exercises SINGLE_STEP INTO event through reflection.<BR>
*
* Runs SingleStepNativeDebuggee and sets breakpoint to its
* breakpointTest method, sends a request for single step event, then
* verifies that requested SINGLE_STEP event occurred in the
* methodCalledThroughReflection method.
*
*/
public void testSingleStepIntoThroughReflection() {
logWriter.println("=> testSingleStepIntoThroughReflection started");
synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
// Find debuggee class id.
long refTypeID = getClassIDBySignature(DEBUGGEE_SIGNATURE);
logWriter.println("=> Debuggee class = " + getDebuggeeClassName());
logWriter.println("=> referenceTypeID for Debuggee class = " + refTypeID);
logWriter.println("=> Send ReferenceType::Methods command and get methodIDs ");
// Set breakpoint to suspend execution.
int breakpointRequestID = debuggeeWrapper.vmMirror.setBreakpointAtMethodBegin(
refTypeID, BREAKPOINT_METHOD);
logWriter.println("=> breakpointID = " + breakpointRequestID);
logWriter.println("=> starting thread");
// Resume debuggee so we hit the breakpoint.
synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
// Wait for the breakpoint event.
long breakpointThreadID = debuggeeWrapper.vmMirror
.waitForBreakpoint(breakpointRequestID);
logWriter.println("=> breakpointThreadID = " + breakpointThreadID);
// Sending a SINGLE_STEP request with a ClassOnly modifier so we only
// suspend in the debuggee class.
CommandPacket setRequestCommand = new CommandPacket(
JDWPCommands.EventRequestCommandSet.CommandSetID,
JDWPCommands.EventRequestCommandSet.SetCommand);
setRequestCommand
.setNextValueAsByte(JDWPConstants.EventKind.SINGLE_STEP);
setRequestCommand.setNextValueAsByte(JDWPConstants.SuspendPolicy.ALL);
setRequestCommand.setNextValueAsInt(2);
setRequestCommand.setNextValueAsByte(EventMod.ModKind.Step);
setRequestCommand.setNextValueAsThreadID(breakpointThreadID);
setRequestCommand.setNextValueAsInt(StepSize.LINE);
setRequestCommand.setNextValueAsInt(StepDepth.INTO);
setRequestCommand.setNextValueAsByte(EventMod.ModKind.ClassOnly);
setRequestCommand.setNextValueAsReferenceTypeID(refTypeID);
ReplyPacket setRequestReply = debuggeeWrapper.vmMirror
.performCommand(setRequestCommand);
checkReplyPacket(setRequestReply, "Set SINGLE_STEP event");
int stepRequestID = setRequestReply.getNextValueAsInt();
logWriter.println("=> RequestID = " + stepRequestID);
assertAllDataRead(setRequestReply);
// Resume debuggee.
resumeDebuggee();
ParsedEvent parsedEvent = waitForSingleStepEvent(stepRequestID);
// Clear SINGLE_STEP event.
clearSingleStep(stepRequestID);
// Check we stopped in the expected method.
checkSingleStepEvent((EventThreadLocation) parsedEvent, refTypeID);
logWriter.println("==> Resuming debuggee");
resumeDebuggee();
logWriter.println("==> Test PASSED!");
}
private void checkSingleStepEvent(EventThreadLocation eventThreadLocation,
long refTypeID) {
// Find expected method id.
long expectedMethodID = getMethodID(refTypeID, EVENT_METHOD);
// Dump where we stopped.
Location location = eventThreadLocation.getLocation();
String className = getClassSignature(location.classID);
String methodName = getMethodName(location.classID,
location.methodID);
logWriter.println("Stopped in " + className + "." + methodName
+ " at code index " + location.index);
// Check we stopped in the right method.
assertEquals("Stopped in wrong class", refTypeID, location.classID);
assertEquals("Stopped in wrong method", expectedMethodID, location.methodID);
}
private ParsedEvent waitForSingleStepEvent(int requestID) {
logWriter.println("==> Wait for SINGLE_STEP event");
CommandPacket event = debuggeeWrapper.vmMirror.receiveEvent();
ParsedEvent[] parsedEvents = ParsedEvent.parseEventPacket(event);
logWriter.println("==> Received " + parsedEvents.length + " events");
// Dump events.
for (int i = 0; i < parsedEvents.length; i++) {
logWriter.println("");
logWriter.println("==> Event #" + i + ";");
logWriter.println("==> EventKind: " + parsedEvents[i].getEventKind() + "("
+ JDWPConstants.EventKind.getName(parsedEvents[i].getEventKind()) + ")");
logWriter.println("==> RequestID: " + parsedEvents[i].getRequestID());
}
// We expect only one event.
assertEquals("Received wrong number of events,", 1, parsedEvents.length);
// Check this is the event we were waiting for.
ParsedEvent parsedEvent = parsedEvents[0];
assertEquals("Received wrong event request ID,", requestID, parsedEvent.getRequestID());
assertEquals("Invalid event kind,", JDWPConstants.EventKind.SINGLE_STEP,
parsedEvent.getEventKind(),
JDWPConstants.EventKind.getName(JDWPConstants.EventKind.SINGLE_STEP),
JDWPConstants.EventKind.getName(parsedEvent.getEventKind()));
return parsedEvent;
}
private void clearSingleStep(int stepRequestID) {
logWriter.println("==> Clearing SINGLE_STEP event..");
ReplyPacket clearRequestReply =
debuggeeWrapper.vmMirror.clearEvent(JDWPConstants.EventKind.SINGLE_STEP,
stepRequestID);
checkReplyPacket(clearRequestReply, "Clear SINGLE_STEP event");
logWriter.println("==> SINGLE_STEP event has been cleared");
}
}
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