jdk-24/test/hotspot/jtreg/vmTestbase/nsk/jdi/ThreadReference/popFrames/popframes004a.java

/*
 * Copyright (c) 2001, 2018, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */


package nsk.jdi.ThreadReference.popFrames;

import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;

/**
 * This class is used as debuggee application for the popframes004 JDI test.
 */

public class popframes004a {

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

    static final int PASSED = 0;
    static final int FAILED = 2;
    static final int PASS_BASE = 95;

    static ArgumentHandler argHandler;
    static Log log;

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


    private static void log1(String message) {
        log.display("**> debuggee: " + message);
    }

    private static void logErr(String message) {
        log.complain("**> debuggee: " + message);
    }

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

    static Thread2popframes004a thread2 = null;

    //------------------------------------------------------ common section
    static int instruction = 1;
    static int end         = 0;
                                   //    static int quit        = 0;
                                   //    static int continue    = 2;
    static int maxInstr    = 1;    // 2;

    static int lineForComm = 2;
    private static void methodForCommunication() {
            int i1 = instruction;
            int i2 = i1;
            int i3 = i2;
    }


    static class JDIDebuggeeException extends Exception {
        JDIDebuggeeException(String str) {
            super("JDIDebuggeeException : " + str);
        }
    }
    //----------------------------------------------------   main method

    static int var1 = 0;
    static volatile int testVar = 0;

    public static void main (String argv[]) {

        argHandler = new ArgumentHandler(argv);
        log = argHandler.createDebugeeLog();

        log1("debuggee started!");

        int exitCode = PASSED;

        label0:
            {
                 thread2 =  new Thread2popframes004a("thread2");
                 log1("       thread2 is created");

                     synchronized (lockingObject2) {
                         log1("      thread2.start()");
                         if ( threadStart(thread2) != PASSED )
                             break label0;

                         log1("      methodForCommunication();");
                         methodForCommunication();
                     }
                     methodForCommunication();
            }

        System.exit(exitCode + PASS_BASE);
    }

    static Object waitnotifyObj = new Object();
    static Object lockingObject = new Object();

    static int threadStart(Thread t) {
        synchronized (waitnotifyObj) {
            t.start();
            try {
                log1("       before:   waitnotifyObj.wait();");
                waitnotifyObj.wait();
                log1("       after:    waitnotifyObj.wait();");
            } catch ( Exception e) {
                logErr("       Exception : " + e );
                return FAILED;
            }
        }
        return PASSED;
    }


    static int breakpointLine = 3;

    static void breakpointMethod () {
        log1("breakpointMethod entered by the thread : " + Thread.currentThread().getName() );
        var1 += 1;
        var1 += 1;
        var1 += 1;
        log1("breakpointMethod: exit");
    }

    static void poppedMethod(int arg) {
        log1("poppedMethod entered by the thread : " + Thread.currentThread().getName() );
        try {
            if (arg == 0) {
                log1("thread2: try clause: calling breakpointMethod();");
                breakpointMethod();
            } else {
                log1("thread2: try clause: throwing JDIDebuggeeException");
                throw new JDIDebuggeeException("poppedMethod");
            }
        } catch ( JDIDebuggeeException e ) {
            log1("thread2: catch clause: caught JDIDebuggeeException");
            log1("thread2: catch clause: calling breakpointMethod();");
            breakpointMethod();
        } finally {
            log1("thread2: finally clause");
            testVar = 1;
        }

        log1("poppedMethod:  exit");
        return;
    }

    static Object lockingObject2 = new Object();

    static class Thread2popframes004a extends Thread {

        public Thread2popframes004a(String threadName) {
            super(threadName);
        }

        public void run() {
            log1("thread2: method 'run' enter");
            synchronized (waitnotifyObj) {
                log1("thread2: entered into block:  synchronized (waitnotifyObj)");
                waitnotifyObj.notify();
            }
            log1("thread2: exited from block:  synchronized (waitnotifyObj)");

            synchronized (lockingObject2) {
                testVar = 0;
                log1("thread2: before: 'poppedMethod(0)'");
                poppedMethod(0);
                log1("thread2: after:  'poppedMethod(0)'");

                testVar = 0;
                log1("thread2: before: 'poppedMethod(1)'");
                poppedMethod(1);
                log1("thread2: after:  'poppedMethod(1)'");
            }
            return;
        }
    }

}