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path: root/jdwp/src/test/java/org/apache/harmony/jpda/tests/jdwp/ThreadReference/ResumeTest.java
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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 Vitaly A. Provodin, Anatoly F. Bondarenko
 */

/**
 * Created on 15.02.2005
 */
package org.apache.harmony.jpda.tests.jdwp.ThreadReference;

import org.apache.harmony.jpda.tests.framework.jdwp.exceptions.*;
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.ReplyPacket;
import org.apache.harmony.jpda.tests.jdwp.share.JDWPSyncTestCase;


/**
 * JDWP Unit test for ThreadReference.Resume command.
 */
public class ResumeTest extends JDWPSyncTestCase {

    static final int testStatusPassed = 0;
    static final int testStatusFailed = -1;
    static final String debuggeeSignature =
            "Lorg/apache/harmony/jpda/tests/jdwp/ThreadReference/ResumeDebuggee;";

    @Override
    protected String getDebuggeeClassName() {
        return "org.apache.harmony.jpda.tests.jdwp.ThreadReference.ResumeDebuggee";
    }

    /**
     * This testcase exercises ThreadReference.Resume command.
     * <BR>At first the test starts ResumeDebuggee which starts and runs some tested threads.
     * <BR> Then the tests checks that for every tested thread the ThreadReference.Resume
     * command acts according to spec:
     * <BR>&nbsp;&nbsp; - command does not cause any error if thread is not suspended;
     * <BR>&nbsp;&nbsp; - command does not resume thread actually if number of suspendings
     *   is greater than number of resumings;
     * <BR>&nbsp;&nbsp; - command resumes thread actually if number of suspendings
     *   is equal to number of resumings;
     */
    public void testResume001() {
        logWriter.println("==> testResume001: START...");
        String debuggeeMessage = synchronizer.receiveMessage();
        int testedThreadsNumber = 0;
        try {
            testedThreadsNumber = Integer.valueOf(debuggeeMessage).intValue();
        } catch (NumberFormatException exception) {
            logWriter.println
                ("## FAILURE: Exception while getting number of started threads from debuggee = " + exception);
            setStaticIntField(debuggeeSignature, ResumeDebuggee.TO_FINISH_DEBUGGEE_FIELD_NAME, 99);
            printErrorAndFail("\n## Can NOT get number of started threads from debuggee! ");
        }
        testedThreadsNumber++; // to add debuggee main thread
        logWriter.println("==>  Number of threads in debuggee to test = " + testedThreadsNumber);
        String[] testedThreadsNames = new String[testedThreadsNumber];
        long[] testedThreadsIDs = new long[testedThreadsNumber];
        String debuggeeMainThreadName = synchronizer.receiveMessage();
        for (int i = 0; i < testedThreadsNumber; i++) {
            if ( i < (testedThreadsNumber-1) ) {
                testedThreadsNames[i] = ResumeDebuggee.THREAD_NAME_PATTERN + i;
            } else {
                testedThreadsNames[i] = debuggeeMainThreadName;
            }
            testedThreadsIDs[i] = 0;
        }

        // getting ID of the tested thread
        ReplyPacket allThreadIDReply = null;
        try {
            allThreadIDReply = debuggeeWrapper.vmMirror.getAllThreadID();
        } catch (ReplyErrorCodeException exception) {
            logWriter.println
                ("## FAILURE: Exception in vmMirror.getAllThreadID() = " + exception);
            setStaticIntField(debuggeeSignature, ResumeDebuggee.TO_FINISH_DEBUGGEE_FIELD_NAME, 99);
            printErrorAndFail("\n## Can NOT get all ThreadID in debuggee! ");
        }
        int threads = allThreadIDReply.getNextValueAsInt();
        logWriter.println("==>  Number of all threads in debuggee = " + threads);
        for (int i = 0; i < threads; i++) {
            long threadID = allThreadIDReply.getNextValueAsThreadID();
            String threadName = null;
            try {
                threadName = debuggeeWrapper.vmMirror.getThreadName(threadID);
            } catch (ReplyErrorCodeException exception) {
                logWriter.println
                    ("==> WARNING: Can NOT get thread name for threadID = " + threadID);
                continue;
            }
            int k = 0;
            for (; k < testedThreadsNumber; k++) {
                if ( threadName.equals(testedThreadsNames[k]) ) {
                    testedThreadsIDs[k] = threadID;
                    break;
                }
            }
        }

        boolean testedThreadNotFound = false;
        for (int i = 0; i < testedThreadsNumber; i++) {
            if ( testedThreadsIDs[i] == 0 ) {
                logWriter.println("## FAILURE: Tested thread is not found out among debuggee threads!");
                logWriter.println("##          Thread name = " + testedThreadsNames[i]);
                testedThreadNotFound = true;
            }
        }
        if ( testedThreadNotFound ) {
            setStaticIntField(debuggeeSignature, ResumeDebuggee.TO_FINISH_DEBUGGEE_FIELD_NAME, 99);
            printErrorAndFail("\n## Some of tested threads are not found!");
        }

        CommandPacket packet = null;
        ReplyPacket reply = null;
        String errorMessage = "";

        boolean resumeCommandFailed = false;
        boolean statusCommandFailed = false;
        boolean suspendStatusFailed = false;
        boolean suspendCommandFailed = false;

        logWriter.println
        ("\n==> Check that ThreadReference.Resume command does not cause any error if thread is not suspended...");

        for (int i = 0; i < testedThreadsNumber; i++) {
            logWriter.println("\n==> Check for Thread: threadID = " + testedThreadsIDs[i]
                    + "; threadName = " + testedThreadsNames[i]);
            logWriter.println("==> Send ThreadReference.Resume command...");
            packet = new CommandPacket(
                    JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                    JDWPCommands.ThreadReferenceCommandSet.ResumeCommand);
            packet.setNextValueAsThreadID(testedThreadsIDs[i]);
            reply = debuggeeWrapper.vmMirror.performCommand(packet);
            if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Resume command") ) {
                resumeCommandFailed = true;
            } else {
                logWriter.println("==> OK - ThreadReference.Resume command without any error!");
            }
        }

        if ( resumeCommandFailed ) {
            setStaticIntField(debuggeeSignature, ResumeDebuggee.TO_FINISH_DEBUGGEE_FIELD_NAME, 99);
            printErrorAndFail("\n## Error found out while ThreadReference.Resume command performing!");
        }

        logWriter.println
        ("\n==> Check that ThreadReference.Resume command resumes threads after VirtualMachine.Suspend command...");

        logWriter.println("\n==> Send VirtualMachine.Suspend command...");
        packet = new CommandPacket(
                JDWPCommands.VirtualMachineCommandSet.CommandSetID,
                JDWPCommands.VirtualMachineCommandSet.SuspendCommand);
        reply = debuggeeWrapper.vmMirror.performCommand(packet);
        int errorCode = reply.getErrorCode();
        if ( errorCode !=  JDWPConstants.Error.NONE ) {
            setStaticIntField(debuggeeSignature, ResumeDebuggee.TO_FINISH_DEBUGGEE_FIELD_NAME, 99);
            logWriter.println("## FAILURE: VirtualMachine.Suspend command returns error = " + errorCode
                    + "(" + JDWPConstants.Error.getName(errorCode) + ")");
            printErrorAndFail("## VirtualMachine.Suspend command FAILED!");
        } else {
            logWriter.println("==> VirtualMachine.Suspend command is OK!");
        }

        for (int i = 0; i < testedThreadsNumber; i++) {
            logWriter.println("\n==> Check for Thread: threadID = " + testedThreadsIDs[i]
                + "; threadName = " + testedThreadsNames[i]);

            logWriter.println("==> Send ThreadReference.Status command...");
            packet = new CommandPacket(
                    JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                    JDWPCommands.ThreadReferenceCommandSet.StatusCommand);
            packet.setNextValueAsReferenceTypeID(testedThreadsIDs[i]);
            reply = debuggeeWrapper.vmMirror.performCommand(packet);
            if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Status command") ) {
                statusCommandFailed = true;
                continue;
            }

            int threadStatus = reply.getNextValueAsInt();
            int suspendStatus = reply.getNextValueAsInt();

            logWriter.println("==> threadStatus = " + threadStatus + "("
                    + JDWPConstants.ThreadStatus.getName(threadStatus) + ")");
            logWriter.println("==> suspendStatus = " + suspendStatus + "("
                    + JDWPConstants.SuspendStatus.getName(suspendStatus) + ")");
            if (suspendStatus
                    != JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED) {
                logWriter.println("## FAILURE: Unexpected suspendStatus for thread!");
                logWriter.println("##          Expected suspendStatus  = "
                    + JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED
                    + "(" + JDWPConstants.SuspendStatus.getName
                    (JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED) +")");
                suspendStatusFailed = true;
                continue;
            }

            logWriter.println("==> Send ThreadReference.Resume command...");
            packet = new CommandPacket(
                    JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                    JDWPCommands.ThreadReferenceCommandSet.ResumeCommand);
            packet.setNextValueAsThreadID(testedThreadsIDs[i]);
            reply = debuggeeWrapper.vmMirror.performCommand(packet);
            if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Resume command") ) {
                resumeCommandFailed = true;
                continue;
            }

            logWriter.println("==> Send ThreadReference.Status command...");
            packet = new CommandPacket(
                    JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                    JDWPCommands.ThreadReferenceCommandSet.StatusCommand);
            packet.setNextValueAsReferenceTypeID(testedThreadsIDs[i]);
            reply = debuggeeWrapper.vmMirror.performCommand(packet);
            if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Status command") ) {
                statusCommandFailed = true;
                continue;
            }

            threadStatus = reply.getNextValueAsInt();
            suspendStatus = reply.getNextValueAsInt();

            logWriter.println("==> threadStatus = " + threadStatus + "("
                    + JDWPConstants.ThreadStatus.getName(threadStatus) + ")");
            logWriter.println("==> suspendStatus = " + suspendStatus + "("
                    + JDWPConstants.SuspendStatus.getName(suspendStatus) + ")");
            if (suspendStatus
                    == JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED) {
                logWriter.println
                    ("## FAILURE: Thread still is suspended after ThreadReference.Resume command!");
                suspendStatusFailed = true;
            }
        }

        logWriter.println("\n==> Send VirtualMachine.Resume command...");
        packet = new CommandPacket(
                JDWPCommands.VirtualMachineCommandSet.CommandSetID,
                JDWPCommands.VirtualMachineCommandSet.ResumeCommand);
        reply = debuggeeWrapper.vmMirror.performCommand(packet);
        errorCode = reply.getErrorCode();
        if ( errorCode !=  JDWPConstants.Error.NONE ) {
            setStaticIntField(debuggeeSignature, ResumeDebuggee.TO_FINISH_DEBUGGEE_FIELD_NAME, 99);
            logWriter.println("## FAILURE: VirtualMachine.Resume command returns error = " + errorCode
                + "(" + JDWPConstants.Error.getName(errorCode) + ")");
            printErrorAndFail("## VirtualMachine.Resume command FAILED!");
        } else {
            logWriter.println("==> VirtualMachine.Resume command is OK!");
        }

        if ( statusCommandFailed ) {
            errorMessage = errorMessage + "## Error found out while ThreadReference.Status command performing!\n";
        }
        if ( suspendStatusFailed ) {
            errorMessage = errorMessage + "## Unexpected suspendStatus found out!\n";
        }
        if ( resumeCommandFailed ) {
            errorMessage = errorMessage + "## Error found out while ThreadReference.Resume command performing!\n";
        }
        if ( ! errorMessage.equals("") ) {
            setStaticIntField(debuggeeSignature, ResumeDebuggee.TO_FINISH_DEBUGGEE_FIELD_NAME, 99);
            printErrorAndFail("\ntestResume001 FAILED:\n" + errorMessage);
        }

        logWriter.println
        ("\n==> Check ThreadReference.Resume command after ThreadReference.Suspend command...");

        int suspendNumber = 3;
        for (int i = 0; i < testedThreadsNumber; i++) {
            logWriter.println("\n==> Check for Thread: threadID = " + testedThreadsIDs[i]
                + "; threadName = " + testedThreadsNames[i]);
            logWriter.println("==> Send ThreadReference.Suspend commands: number of commandss = "
                    + suspendNumber + "...");
            int j = 0;
            for (; j < suspendNumber; j++) {
                packet = new CommandPacket(
                        JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                        JDWPCommands.ThreadReferenceCommandSet.SuspendCommand);
                packet.setNextValueAsThreadID(testedThreadsIDs[i]);
                reply = debuggeeWrapper.vmMirror.performCommand(packet);
                if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Suspend command") ) {
                    break;
                }
            }
            if ( j < suspendNumber ) {
                suspendCommandFailed = true;
                continue;
            }

            logWriter.println("==> Send ThreadReference.Status command...");
            packet = new CommandPacket(
                    JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                    JDWPCommands.ThreadReferenceCommandSet.StatusCommand);
            packet.setNextValueAsReferenceTypeID(testedThreadsIDs[i]);
            reply = debuggeeWrapper.vmMirror.performCommand(packet);
            if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Status command") ) {
                statusCommandFailed = true;
                continue;
            }

            int threadStatus = reply.getNextValueAsInt();
            int suspendStatus = reply.getNextValueAsInt();

            logWriter.println("==> threadStatus = " + threadStatus + "("
                    + JDWPConstants.ThreadStatus.getName(threadStatus) + ")");
            logWriter.println("==> suspendStatus = " + suspendStatus + "("
                    + JDWPConstants.SuspendStatus.getName(suspendStatus) + ")");
            if (suspendStatus
                    != JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED) {
                logWriter.println("## FAILURE: Unexpected suspendStatus for thread!");
                logWriter.println("##          Expected suspendStatus  = "
                    + JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED
                    + "(" + JDWPConstants.SuspendStatus.getName
                    (JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED) +")");
                suspendStatusFailed = true;
                continue;
            }

            logWriter.println
            ("==> Send ThreadReference.Resume command 1 time - thread must NOT be actually resumed...");
            packet = new CommandPacket(
                    JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                    JDWPCommands.ThreadReferenceCommandSet.ResumeCommand);
            packet.setNextValueAsThreadID(testedThreadsIDs[i]);
            reply = debuggeeWrapper.vmMirror.performCommand(packet);
            if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Resume command") ) {
                resumeCommandFailed = true;
                continue;
            }

            logWriter.println("==> Send ThreadReference.Status command...");
            packet = new CommandPacket(
                    JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                    JDWPCommands.ThreadReferenceCommandSet.StatusCommand);
            packet.setNextValueAsReferenceTypeID(testedThreadsIDs[i]);
            reply = debuggeeWrapper.vmMirror.performCommand(packet);
            if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Status command") ) {
                statusCommandFailed = true;
                continue;
            }

            threadStatus = reply.getNextValueAsInt();
            suspendStatus = reply.getNextValueAsInt();

            logWriter.println("==> threadStatus = " + threadStatus + "("
                    + JDWPConstants.ThreadStatus.getName(threadStatus) + ")");
            logWriter.println("==> suspendStatus = " + suspendStatus + "("
                    + JDWPConstants.SuspendStatus.getName(suspendStatus) + ")");
            if (suspendStatus
                    != JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED) {
                logWriter.println("## FAILURE: Unexpected suspendStatus for thread!");
                logWriter.println("##          Expected suspendStatus  = "
                    + JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED
                    + "(" + JDWPConstants.SuspendStatus.getName
                    (JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED) +")");
                suspendStatusFailed = true;
                continue;
            }

            logWriter.println("==> Send ThreadReference.Resume commands: number of commands = "
                    + (suspendNumber-1) + " - thread must be actually resumed");
            j = 0;
            for (; j < (suspendNumber-1); j++) {
                packet = new CommandPacket(
                        JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                        JDWPCommands.ThreadReferenceCommandSet.ResumeCommand);
                packet.setNextValueAsThreadID(testedThreadsIDs[i]);
                reply = debuggeeWrapper.vmMirror.performCommand(packet);
                if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Resume command") ) {
                    break;
                }
            }
            if ( j < (suspendNumber-1) ) {
                resumeCommandFailed = true;
                continue;
            }

            logWriter.println("==> Send ThreadReference.Status command...");
            packet = new CommandPacket(
                    JDWPCommands.ThreadReferenceCommandSet.CommandSetID,
                    JDWPCommands.ThreadReferenceCommandSet.StatusCommand);
            packet.setNextValueAsReferenceTypeID(testedThreadsIDs[i]);
            reply = debuggeeWrapper.vmMirror.performCommand(packet);
            if ( ! checkReplyPacketWithoutFail(reply, "ThreadReference.Status command") ) {
                statusCommandFailed = true;
                continue;
            }

            threadStatus = reply.getNextValueAsInt();
            suspendStatus = reply.getNextValueAsInt();

            logWriter.println("==> threadStatus = " + threadStatus + "("
                    + JDWPConstants.ThreadStatus.getName(threadStatus) + ")");
            logWriter.println("==> suspendStatus = " + suspendStatus + "("
                    + JDWPConstants.SuspendStatus.getName(suspendStatus) + ")");
            if (suspendStatus
                    == JDWPConstants.SuspendStatus.SUSPEND_STATUS_SUSPENDED) {
                logWriter.println
                    ("## FAILURE: Thread still is suspended after ThreadReference.Resume commands: "
                    + "number of total resume commands = "+ suspendNumber + " !");
                suspendStatusFailed = true;
            }
        }

        if ( suspendCommandFailed ) {
            errorMessage = errorMessage + "## Error found out while ThreadReference.Suspend command performing!\n";
        }
        if ( resumeCommandFailed ) {
            errorMessage = errorMessage + "## Error found out while ThreadReference.Resume command performing!\n";
        }
        if ( statusCommandFailed ) {
            errorMessage = errorMessage + "## Error found out while ThreadReference.Status command performing!\n";
        }
        if ( suspendStatusFailed ) {
            errorMessage = errorMessage + "## Unexpected suspendStatus found out!\n";
        }

        setStaticIntField(debuggeeSignature, ResumeDebuggee.TO_FINISH_DEBUGGEE_FIELD_NAME, 99);
        if ( ! errorMessage.equals("") ) {
            printErrorAndFail("\ntestResume001 FAILED:\n" + errorMessage);
        }

        logWriter.println("\n==> testResume001 - OK!");
    }
}