test/hotspot/jtreg/vmTestbase/nsk/jdi/ThreadReference/stop/stop002t.java

/*
 * Copyright (c) 2002, 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
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 * questions.
 */

package nsk.jdi.ThreadReference.stop;

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

//    THIS TEST IS LINE NUMBER SENSITIVE

/**
 * This is a debuggee class.
 */
public class stop002t {
    private Log log;
    private IOPipe pipe;
    volatile boolean stopLooping = false;

    public static void main(String args[]) {
        System.exit(run(args) + Consts.JCK_STATUS_BASE);
    }

    public static int run(String args[]) {
        return new stop002t().runIt(args);
    }

    private int runIt(String args[]) {
        ArgumentHandler argHandler = new ArgumentHandler(args);

        log = argHandler.createDebugeeLog();
        pipe = argHandler.createDebugeeIOPipe();

        Thread.currentThread().setName(stop002.DEBUGGEE_THRNAME);

        // non-throwable object which will be used by debugger
        // as wrong parameter of JDI method ThreadReference.stop()
        stop002t stop002tNonThrowable = this;

        // Now the debuggee is ready for testing
        pipe.println(stop002.COMMAND_READY);
        String cmd = pipe.readln();
        if (cmd.equals(stop002.COMMAND_QUIT)) {
            log.complain("Debuggee: exiting due to the command "
                    + cmd);
            return Consts.TEST_PASSED;
        }

        int stopMeHere = 0; // stop002.DEBUGGEE_STOPATLINE

        log.display("Debuggee: going to loop ...");
        while(!stopLooping) { // looping
            stopMeHere++; stopMeHere--;
        }
        log.display("Debuggee: looping done");

        cmd = pipe.readln();
        if (!cmd.equals(stop002.COMMAND_QUIT)) {
            log.complain("TEST BUG: unknown debugger command: "
                + cmd);
            return Consts.TEST_FAILED;
        }
        return Consts.TEST_PASSED;
    }
}