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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 Aleksander V. Budniy
 */

/**
 * Created on 8.7.2005
 */

package org.apache.harmony.jpda.tests.jdwp.MultiSession;

import org.apache.harmony.jpda.tests.framework.TestOptions;
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.ParsedEvent;
import org.apache.harmony.jpda.tests.framework.jdwp.ReplyPacket;
import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase;
import org.apache.harmony.jpda.tests.jdwp.share.JDWPUnitDebuggeeWrapper;
import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;


/**
 * JDWP Unit test for verifying canceling of requested VM_DEATH event after re-connection.
 */
public class VMDeathTest extends JDWPSyncTestCase {

    int requestID = 0;

    static final String DEBUGGEE_CLASS_NAME = "org.apache.harmony.jpda.tests.jdwp.Events.EventDebuggee";

    protected String getDebuggeeClassName() {
        return DEBUGGEE_CLASS_NAME;
    }

    /**
     * This testcase verifies canceling of requested VM_DEATH event after re-connection.
     * <BR>It runs EventDebuggee, sets request for VM_DEATH event
     * and re-connects.
     * <BR>It is expected that only auto VM_DEATH event occurs after re-connection,
     * but no any other event, including requested VM_DEATH event.
     */
    public void testVMDeathRequest() {
        logWriter.println("==> testVMDeathRequest started");
        synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);

        //set request for VM_DEATH event with suspend policy SUSPEND_ALL
        byte suspendPolicy = JDWPConstants.SuspendPolicy.ALL;
        logWriter.println("=> Create request for VM_DEATH event with suspend policy: "
                + suspendPolicy
                + "/"
                + JDWPConstants.SuspendPolicy.getName(suspendPolicy));
        CommandPacket setRequestCommand = new CommandPacket(
                JDWPCommands.EventRequestCommandSet.CommandSetID,
                JDWPCommands.EventRequestCommandSet.SetCommand);

        setRequestCommand.setNextValueAsByte(JDWPConstants.EventKind.VM_DEATH);
        setRequestCommand.setNextValueAsByte(JDWPConstants.SuspendPolicy.ALL);
        setRequestCommand.setNextValueAsInt(0);

        ReplyPacket setRequestReply = debuggeeWrapper.vmMirror
                .performCommand(setRequestCommand);

        checkReplyPacket(setRequestReply, "Set VM_DEATH event");

        requestID = setRequestReply.getNextValueAsInt();
        logWriter.println("=> RequestID = " + requestID);

        assertAllDataRead(setRequestReply);

        logWriter.println("");
        logWriter.println("=> CLOSE CONNECTION");
        closeConnection();
        logWriter.println("=> CONNECTION IS CLOSED");

        logWriter.println("");
        logWriter.println("=> OPEN NEW CONNECTION");
        openConnection();
        logWriter.println("=> CONNECTION IS OPENED");

        //release debuggee
        synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
        synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
        //receive and parse event set
        logWriter.println("=> Wait for event..");
        CommandPacket eventPacket = debuggeeWrapper.vmMirror.receiveEvent();
        ParsedEvent[] parsedEvents = ParsedEvent.parseEventPacket(eventPacket);
        int eventsCount = parsedEvents.length;
        logWriter.println("=> Received event set: count=" + eventsCount);

        //ckeck if received events are expected
        int result = 0;
        int autoEvents = 0;
        int wrongEvents = 0;
        for (int i = 0; i < eventsCount; i++) {
            ParsedEvent event = parsedEvents[i];
            logWriter.println("=> Event #" + i + ";");

            // print event info
            byte eventSuspendPolicy = event.getSuspendPolicy();
            logWriter.println("=> SuspendPolicy=" + eventSuspendPolicy + "/"
                    + JDWPConstants.SuspendPolicy.getName(eventSuspendPolicy));
            byte eventKind = event.getEventKind();
            logWriter.println("=> EventKind=" + eventKind + "/"
                    + JDWPConstants.EventKind.getName(eventKind));
            int eventRequestID = event.getRequestID();
            logWriter.println("=> RequestID=" + eventRequestID);

            // check if event is expected
            if (eventKind == JDWPConstants.EventKind.VM_DEATH) {
                if (parsedEvents[i].getRequestID() == 0) {
                    autoEvents++;
                    logWriter.println("=> found auto VM_DEATH event!");
                    // for automatical event suspend policy can be changed
                } else {
                    logWriter.println("## FAILURE: VM_DEATH event "
                            + "with unexpected RequestID: " + eventRequestID);
                    result = 1;
                }
            } else {
                wrongEvents++;
                logWriter.println("## FAILURE: unexpected event kind: "
                        + eventKind);
                result = 2;
            }
        }

        if (1 == result)
            fail("VM_DEATH event with unexpected RequestID");
        else if (2 == result)
            fail("Unexpected event kind");

        logWriter.println("==> test PASSED!");
    }

    protected void beforeDebuggeeStart(JDWPUnitDebuggeeWrapper debuggeeWrapper) {
        settings.setAttachConnectorKind();
        if (settings.getTransportAddress() == null) {
            settings.setTransportAddress(TestOptions.DEFAULT_ATTACHING_ADDRESS);
        }
        logWriter.println("ATTACH connector kind");
        super.beforeDebuggeeStart(debuggeeWrapper);
    }
}