/*

 * 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package nsk.jdi.VirtualMachineManager.connectedVirtualMachines;

import nsk.share.*;

import nsk.share.jpda.*;

import nsk.share.jdi.*;

import com.sun.jdi.*;

import com.sun.jdi.connect.*;

import java.util.*;

import java.io.*;

import com.sun.jdi.event.*;

import com.sun.jdi.request.*;

/**

 * The test for the implementation of an object of the type     <BR>

 * VirtualMachineManager.                                       <BR>

 *                                                              <BR>

 * The test checks up that results of the method                <BR>

 * <code>com.sun.jdi.VirtualMachineManager.connectedVirtualMachines()</code>                    <BR>

 * complies with its specification.                             <BR>

 * <BR>

 * Test case includes only one debuggee.                        <BR>

 * The test checks up that :                                    <BR>

 * - after launching debugged Virtual Machine the tested method <BR>

 *   returns List containing one element of                     <BR>

 *   a VirtualMachine type which is equal to a mirror of        <BR>

 *   the debuggee already got after launching;                  <BR>

 * - after a debugger invalidates the debuggee                  <BR>

 *   with the method VirtualMachine.dispose(),                  <BR>

 *   the call to the method returns an empty List.              <BR>

 */

public class convm003 {

    //----------------------------------------------------- templete section

    static final int PASSED = 0;

    static final int FAILED = 2;

    static final int PASS_BASE = 95;

    //----------------------------------------------------- templete parameters

    static final String

    sHeader1 = "\n==> nsk/jdi/VirtualMachineManager/connectedVirtualMachines/convm003  ",

    sHeader2 = "--> debugger: ",

    sHeader3 = "##> debugger: ";

    //----------------------------------------------------- main method

    public static void main (String argv[]) {

        int result = run(argv, System.out);

        System.exit(result + PASS_BASE);

    }

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

        return new convm003().runThis(argv, out);

    }

    //--------------------------------------------------   log procedures

    private static Log  logHandler;

    private static void log1(String message) {

        logHandler.display(sHeader1 + message);

    }

    private static void log2(String message) {

        logHandler.display(sHeader2 + message);

    }

    private static void log3(String message) {

        logHandler.complain(sHeader3 + message);

    }

    //  ************************************************    test parameters

    private String debuggeeName =

        "nsk.jdi.VirtualMachineManager.connectedVirtualMachines.convm003a";

    //String mName = "nsk.jdi.VirtualMachineManager.connectedVirtualMachines";

    //====================================================== test program

    //------------------------------------------------------ common section

    static ArgumentHandler      argsHandler;

    static int waitTime;

    static VirtualMachine      vm            = null;

    static EventRequestManager eventRManager = null;

    static EventQueue          eventQueue    = null;

    static EventSet            eventSet      = null;

    static int  testExitCode = PASSED;

    static final int returnCode0 = 0;

    static final int returnCode1 = 1;

    static final int returnCode2 = 2;

    static final int returnCode3 = 3;

    static final int returnCode4 = 4;

    //------------------------------------------------------ methods

    private int runThis (String argv[], PrintStream out) {

        Debugee debuggee;

        argsHandler     = new ArgumentHandler(argv);

        logHandler      = new Log(out, argsHandler);

        Binder binder   = new Binder(argsHandler, logHandler);

        if (argsHandler.verbose()) {

            debuggee = binder.bindToDebugee(debuggeeName + " -vbs");

        } else {

            debuggee = binder.bindToDebugee(debuggeeName);

        }

        waitTime = argsHandler.getWaitTime();

        IOPipe pipe     = new IOPipe(debuggee);

        debuggee.redirectStderr(out);

        debuggee.resume();

        String line = pipe.readln();

        if ((line == null) || !line.equals("ready")) {

            log3("signal received is not 'ready' but: " + line);

            return FAILED;

        } else {

            log2("'ready' recieved");

        }

        vm = debuggee.VM();

    //------------------------------------------------------  testing section

        log1("      TESTING BEGINS");

        VirtualMachineManager vmm = null;

        List connectedVM;

        VirtualMachine vm1 = null;

        int size = 0;

        //for (int i = 0; ; i++) {

        label0 :

        {

            pipe.println("newcheck");

            line = pipe.readln();

            if (line.equals("checkend")) {

                log2("     : returned string is 'checkend'");

                break label0;

            } else if (!line.equals("checkready")) {

                log3("ERROR: returned string is not 'checkready'");

                testExitCode = FAILED;

                break label0;

            }

            //log1("new checkready: #" + i);

            //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ variable part

            log2("......call to Bootstrap.virtualMachineManager()");

            vmm = Bootstrap.virtualMachineManager();

            if (vmm == null) {

                log3("ERROR: null returned");

                testExitCode = FAILED;

            } else {

                log2("......call to vmm.connectedVirtualMachines()");

                connectedVM = vmm.connectedVirtualMachines();

                size = connectedVM.size();

                if (size != 1) {

                    log3("ERROR: connectedVM.size() != 1 : " + size);

                    testExitCode = FAILED;

                } else {

                    log2("       connectedVM.size() == 1");

                    log2("......getting: VirtualMachine vm1 = connectedVM.get(0);");

                    vm1 = (VirtualMachine) connectedVM.get(0);

                    log2("......comparing: vm.equals(vm1)");

                    if (!vm.equals(vm1)) {

                        log3("ERROR: !vm.equals(vm1)");

                        testExitCode = FAILED;

                    }

                }

            }

            //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        }

        //log1("      TESTING ENDS");

    //--------------------------------------------------   test summary section

    //-------------------------------------------------    standard end section

        eventQueue = vm.eventQueue();

        eventSet = null;

        log2("......vm1.dispose()");

        vm1.dispose();

        if (vmDisconnect() == 0 ) {

            log2("......connectedVM = vmm.connectedVirtualMachines();");

            connectedVM = vmm.connectedVirtualMachines();

            size = connectedVM.size();

            if (size != 0) {

                log3("ERROR: connectedVM.size() != 0 : " + size);

                testExitCode = FAILED;

                log2("......since a returned list is not empty");

                log2("......try to get first element and compare to the mirror of the vm tested");

                try {

                    log2("        getting: vm1 = (VirtualMachine) connectedVM.get(0);");

                    vm1 = (VirtualMachine) connectedVM.get(0);

                    log2("         vm.name()== " + vm1.name());

                    if (vm.equals(vm1))

                        log2("vm.equals(vm1)");

                    else

                        log2("!vm.equals(vm1)");

                } catch ( Exception e ) {

                    log2("......failure because of Exception:  " + e);

                }

            } else

                log2("       connectedVM.size() == 0");

        } else {

            log3("ERROR: threadDeath != 0");

            testExitCode = FAILED;

        }

        log1("      TESTING ENDS");

        pipe.println("quit");

        log2("waiting for the debuggee to finish ...");

        debuggee.waitFor();

        int status = debuggee.getStatus();

        if (status != PASSED + PASS_BASE) {

            log3("debuggee returned UNEXPECTED exit status: " +

                    status + " != PASS_BASE");

            testExitCode = FAILED;

        } else {

            log2("debuggee returned expected exit status: " +

                    status + " == PASS_BASE");

        }

        if (testExitCode != PASSED) {

            logHandler.complain("TEST FAILED");

        }

        return testExitCode;

    }

    private int vmDisconnect () {

        int returnCode = returnCode0;

        log2("       waiting for VMDisconnectEvent");

        labelBP:

            for (;;) {

                log2("       new:  eventSet = eventQueue.remove();");

                try {

                    eventSet = eventQueue.remove(waitTime*60000);

                    if (eventSet == null) {

                        log3("ERROR:  timeout for waiting for a ThreadDeathEvent");

                        returnCode = returnCode3;

                        break labelBP;

                    }

                } catch ( Exception e ) {

                    log3("ERROR: Exception for  eventSet = eventQueue.remove(); : " + e);

                    returnCode = 1;

                    break labelBP;

                }

                if (eventSet != null) {

                    log2("     :  eventSet != null;  size == " + eventSet.size());

                    EventIterator eIter = eventSet.eventIterator();

                    Event         ev    = null;

                    for (; eIter.hasNext(); ) {

                        if (returnCode != returnCode0)

                            break;

                        ev = eIter.nextEvent();

                    ll: for (int ifor =0;  ; ifor++) {

                        try {

                          switch (ifor) {

                          case 0:  AccessWatchpointEvent awe = (AccessWatchpointEvent) ev;

                                   log2("      AccessWatchpointEvent removed");

                                   break ll;

                          case 1:  BreakpointEvent be = (BreakpointEvent) ev;

                                   log2("      BreakpointEvent removed");

                                   break ll;

                          case 2:  ClassPrepareEvent cpe = (ClassPrepareEvent) ev;

                                   log2("      ClassPreparEvent removed");

                                   break ll;

                          case 3:  ClassUnloadEvent cue = (ClassUnloadEvent) ev;

                                   log2("      ClassUnloadEvent removed");

                                   break ll;

                          case 4:  ExceptionEvent ee = (ExceptionEvent) ev;

                                   log2("      ExceptionEvent removed");

                                   break ll;

                          case 5:  MethodEntryEvent mene = (MethodEntryEvent) ev;

                                   log2("      MethodEntryEvent removed");

                                   break ll;

                          case 6:  MethodExitEvent mexe = (MethodExitEvent) ev;

                                   log2("      MethodExiEvent removed");

                                   break ll;

                          case 7:  ModificationWatchpointEvent mwe = (ModificationWatchpointEvent) ev;

                                   log2("      ModificationWatchpointEvent removed");

                                   break ll;

                          case 8:  StepEvent se = (StepEvent) ev;

                                   log2("      StepEvent removed");

                                   break ll;

                          case 9:  ThreadDeathEvent tde = (ThreadDeathEvent) ev;

                                   log2("      ThreadDeathEvent removed");

                                   break ll;

                          case 10: ThreadStartEvent tse = (ThreadStartEvent) ev;

                                   log2("      ThreadStartEvent removed");

                                   break ll;

                          case 11: VMDeathEvent vmde = (VMDeathEvent) ev;

                                   log2("      VMDeathEvent removed");

                                   break ll;

                          case 12: VMStartEvent vmse = (VMStartEvent) ev;

                                   log2("      VMStartEvent removed");

                                   break ll;

                          case 13: WatchpointEvent we = (WatchpointEvent) ev;

                                   log2("      WatchpointEvent removed");

                                   break ll;

                          case 14: VMDisconnectEvent wmde = (VMDisconnectEvent) ev;

                                   log2("      VMDisconnectEvent removed");

                                   break labelBP;

                          default: log3("ERROR:  default case for casting event");

                                   returnCode = returnCode3;

                                   break ll;

                          } // switch

                        } catch ( ClassCastException e ) {

                        }   // try

                    }       // ll: for (int ifor =0;  ; ifor++)

                }           // for (; ev.hasNext(); )

            }

        }

        if (returnCode == returnCode0)

            log2("     :  eventSet == null:  EventQueue is empty");

        return returnCode;

    }

}