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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.Location;
import org.apache.harmony.jpda.tests.framework.jdwp.ParsedEvent;
import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket;
import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
/**
* JDWP Unit test for SINGLE_STEP event with LocationOnly modifier.
*/
public class SingleStepWithLocationTest extends JDWPEventTestCase {
private static final String BREAKPOINT_METHOD_NAME = "breakpointTest";
@Override
protected String getDebuggeeClassName() {
return SingleStepDebuggee.class.getName();
}
/**
* This test case exercises SINGLE_STEP event.<BR>
*
* Runs SingleStepDebuggee and sets breakpoint to its
* breakpointTest method, sends a request for single step event with the
* location of the last line so we single-step until there. Then verifies
* that requested SINGLE_STEP event occurs.
*/
public void testSingleStepToLocation() {
logWriter.println("=> testSingleStepToLocation started");
synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
// Set breakpoint.
long refTypeID = getClassIDBySignature(getDebuggeeClassSignature());
logWriter.println("=> Debuggee class = " + getDebuggeeClassName());
logWriter.println("=> referenceTypeID for Debuggee class = " + refTypeID);
logWriter.println("=> Send ReferenceType::Methods command and get methodIDs ");
int requestID = debuggeeWrapper.vmMirror.setBreakpointAtMethodBegin(
refTypeID, BREAKPOINT_METHOD_NAME);
logWriter.println("=> breakpointID = " + requestID);
logWriter.println("=> starting thread");
// Execute the breakpoint
synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
// Wait for breakpoint event so the program is suspended.
long breakpointThreadID = debuggeeWrapper.vmMirror
.waitForBreakpoint(requestID);
logWriter.println("=> breakpointThreadID = " + breakpointThreadID);
// Remove breakpoint.
debuggeeWrapper.vmMirror.clearBreakpoint((int)requestID);
// Get line table and get code index of the last line.
long methodID = getMethodID(refTypeID, BREAKPOINT_METHOD_NAME);
ReplyPacket lineTableReply = getLineTable(refTypeID, methodID);
checkReplyPacket(lineTableReply, "Method.LineTable");
lineTableReply.getNextValueAsLong(); // startIndex
lineTableReply.getNextValueAsLong(); // endIndex
int linesCount = lineTableReply.getNextValueAsInt();
long lastLineCodeIndex = -1;
int lastLineNumber = -1;
for (int i = 0; i < linesCount; ++i) {
lastLineCodeIndex = lineTableReply.getNextValueAsLong();
lastLineNumber = lineTableReply.getNextValueAsInt();
}
logWriter.println("Single-step until line " + lastLineNumber);
// Location of last line.
Location location = new Location(JDWPConstants.TypeTag.CLASS,
refTypeID, methodID, lastLineCodeIndex);
// Sending a SINGLE_STEP request
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(JDWPConstants.StepSize.LINE);
setRequestCommand.setNextValueAsInt(JDWPConstants.StepDepth.OVER);
setRequestCommand.setNextValueAsByte(EventMod.ModKind.LocationOnly);
setRequestCommand.setNextValueAsLocation(location);
ReplyPacket setRequestReply = debuggeeWrapper.vmMirror
.performCommand(setRequestCommand);
checkReplyPacket(setRequestReply, "Set SINGLE_STEP event");
requestID = setRequestReply.getNextValueAsInt();
logWriter.println("=> RequestID = " + requestID);
assertAllDataRead(setRequestReply);
// Resume debuggee so we can suspend on single-step.
resumeDebuggee();
// Wait for event.
logWriter.println("==> Wait for SINGLE_STEP event");
CommandPacket event = debuggeeWrapper.vmMirror.receiveEvent();
ParsedEvent[] parsedEvents = ParsedEvent.parseEventPacket(event);
// Check if received event is expected.
logWriter.println("==> Received " + parsedEvents.length + " events");
// Trace 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());
}
// Check all
assertEquals("Received wrong number of events,", 1, parsedEvents.length);
assertEquals("Received wrong event request ID,", requestID, parsedEvents[0].getRequestID());
assertEquals("Invalid event kind,", JDWPConstants.EventKind.SINGLE_STEP,
parsedEvents[0].getEventKind(),
JDWPConstants.EventKind.getName(JDWPConstants.EventKind.SINGLE_STEP),
JDWPConstants.EventKind.getName(parsedEvents[0].getEventKind()));
// Clear SINGLE_STEP event
logWriter.println("==> Clearing SINGLE_STEP event..");
ReplyPacket clearRequestReply =
debuggeeWrapper.vmMirror.clearEvent(JDWPConstants.EventKind.SINGLE_STEP, (int) requestID);
checkReplyPacket(clearRequestReply, "Clear SINGLE_STEP event");
logWriter.println("==> SINGLE_STEP event has been cleared");
// Resuming debuggee before leaving.
resumeDebuggee();
logWriter.println("==> Test PASSED!");
}
}
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