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 * 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.

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package nsk.jdi.EventQueue.remove_l;

import com.sun.jdi.VirtualMachine;

import com.sun.jdi.request.EventRequest;

import com.sun.jdi.VMDisconnectedException;

import com.sun.jdi.event.*;

import java.io.*;

import nsk.share.*;

import nsk.share.jpda.*;

import nsk.share.jdi.*;

/**

 * The test checks that a VMDisconnectedException thrown by

 * the JDI method <b>com.sun.jdi.request.EventQueue.remove(long)</b>

 * will always be preceded by a <code>VMDisconnectEvent</code>

 * when a debuggee part of the test normally exits.

 */

public class remove_l001 {

    public static final int PASSED = 0;

    public static final int FAILED = 2;

    public static final int JCK_STATUS_BASE = 95;

    static final String DEBUGGEE_CLASS =

        "nsk.jdi.EventQueue.remove_l.remove_l001t";

    static final String COMMAND_READY = "ready";

    static final String COMMAND_QUIT = "quit";

    private ArgumentHandler argHandler;

    private Log log;

    private Debugee debuggee;

    private int tot_res = FAILED;

    public static void main(String argv[]) {

        System.exit(run(argv,System.out) + JCK_STATUS_BASE);

    }

    public static int run(String argv[], PrintStream out) {

        return new remove_l001().runIt(argv, out);

    }

    private int runIt(String args[], PrintStream out) {

        argHandler = new ArgumentHandler(args);

        log = new Log(out, argHandler);

        Binder binder = new Binder(argHandler, log);

        debuggee = binder.bindToDebugee(DEBUGGEE_CLASS);

        debuggee.redirectStderr(log, "remove_l001t.err> ");

// dummy IOPipe: just to avoid:

// "Pipe server socket listening error: java.net.SocketException"

        IOPipe pipe = debuggee.createIOPipe();

// Getting JDI events

        checkEvents(debuggee.VM().eventQueue());

        debuggee.waitFor();

        int debStat = debuggee.getStatus();

        if (debStat != (JCK_STATUS_BASE + PASSED)) {

            log.complain("TEST FAILED: debuggee's process finished with status: "

                + debStat);

            tot_res = FAILED;

        } else

            log.display("Debuggee's process finished with status: "

                + debStat);

        return tot_res;

    }

    private void checkEvents(EventQueue eventQ) {

        boolean gotVMDisconnect = false; // VMDisconnectEvent is received

        boolean gotVMDeath = false; // VMDeathEvent is received

        EventSet eventSet = null;

        debuggee.resume();

        while (true) {

            try {

                eventSet = eventQ.remove(argHandler.getWaitTime()*60000);

                if (eventSet == null) {

                    log.display("Specified time for the next available event has elapsed");

                    continue;

                }

                EventIterator eventIter = eventSet.eventIterator();

                while (eventIter.hasNext()) {

                    Event event = eventIter.nextEvent();

                    if (event instanceof VMDisconnectEvent) {

                        gotVMDisconnect = true;

                        log.display("Got expected VMDisconnectEvent");

                        break;

                    } else if (event instanceof VMStartEvent) {

                        log.display("Got VMStartEvent");

                    } else if (event instanceof VMDeathEvent) {

                        gotVMDeath = true;

                        log.display("Got VMDeathEvent");

                    }

                    if (!gotVMDisconnect && !gotVMDeath &&

                            eventSet.suspendPolicy() !=

                                EventRequest.SUSPEND_NONE) {

                        log.display("Calling EventSet.resume() ...");

                        eventSet.resume();

                    }

                }

            } catch(InterruptedException e) {

                log.complain("TEST INCOMPLETE: caught " + e);

                tot_res = FAILED;

            } catch(VMDisconnectedException e) {

                if (gotVMDisconnect) {

                    log.display("\nCHECK PASSED: caught VMDisconnectedException preceded by a VMDisconnectEvent\n");

                    tot_res = PASSED;

                } else {

                    log.complain("\nTEST FAILED: caught VMDisconnectedException without preceding VMDisconnectEvent\n");

                    e.printStackTrace();

                    tot_res = FAILED;

                }

                break;

            }

        }

        log.display("Stopped JDI events processing");

    }

}