/*

 * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/**

 * @test

 * @bug 4419314

 * @summary VMDeathRequestTest checks to see that

 * VMDisconnectedException is never thrown before VMDisconnectEvent.

 *

 * Failure mode for this test is throwing VMDisconnectedException

 * on vm.eventQueue().remove();

 * Does not use a scaffold since we don't want that hiding the exception.

 * @author Robert Field

 *

 * @run build TestScaffold VMConnection TargetListener TargetAdapter

 * @run compile -g HelloWorld.java

 * @run build VMDeathRequestTest

 * @run driver VMDeathRequestTest

 */

import com.sun.jdi.*;

import com.sun.jdi.event.*;

import com.sun.jdi.request.*;

import java.util.*;

    /********** test program **********/

public class VMDeathRequestTest extends TestScaffold {

    boolean requestedVMDeathOccurred = false;

    boolean defaultVMDeathOccurred = false;

    Object syncer = new Object();

    boolean disconnected = false;

    VMDeathRequest deathRequest;

    EventSet currentEventSet;

    VMDeathRequestTest (String args[]) {

        super(args);

    }

    public static void main(String[] args)      throws Exception {

        new VMDeathRequestTest(args).startTests();

    }

    /********** event handlers **********/

    public void eventSetReceived(EventSet set) {

        currentEventSet = set;

    }

    public void vmDied(VMDeathEvent event) {

        if (event.request() == deathRequest) {

            requestedVMDeathOccurred = true;

            println("Got requested VMDeathEvent");

            if (currentEventSet.suspendPolicy() !=

                                   EventRequest.SUSPEND_ALL) {

                failure("failure: wrong suspend policy");

            }

        } else if (event.request() == null) {

            defaultVMDeathOccurred = true;

            println("Got default VMDeathEvent");

        } else {

            failure("failure: Unexpected type of VMDeathEvent occurred");

        }

    }

    public void vmDisconnected(VMDisconnectEvent event) {

        println("Got VMDisconnectEvent");

        disconnected = true;

        synchronized (syncer) {

            syncer.notifyAll();

        }

    }

    /**

     * Turn off default VMDeath handling

     */

    protected void createDefaultVMDeathRequest() {

    }

    /********** test core **********/

    protected void runTests() throws Exception {

        startToMain("HelloWorld");

        deathRequest = eventRequestManager().createVMDeathRequest();

        deathRequest.enable();

        /*

         * Static tests

         */

        List reqs = eventRequestManager().vmDeathRequests();

        if (reqs.size() != 1 || reqs.get(0) != deathRequest) {

            failure("failure: vmDeathRequests()");

        }

        if (!vm().canRequestVMDeathEvent()) {

            failure("failure: canRequestVMDeathEvent() returned false");

        }

        /*

         * Event tests

         */

        addListener(this);

        synchronized (syncer) {

            vm().resume();

            while (!disconnected) {

                try {

                    syncer.wait();

                } catch (InterruptedException e) {

                }

            }

        }

        /*

         * Failure analysis

         */

        if (!requestedVMDeathOccurred) {

            failure("failure: didn't get requested VMDeathEvent");

        }

        if (!defaultVMDeathOccurred) {

            failure("failure: didn't get default VMDeathEvent");

        }

        if (!testFailed) {

            println("VMDeathRequestTest: passed");

        } else {

            throw new Exception("VMDeathRequestTest: failed");

        }

    }

}