/*

 * Copyright (c) 2019, 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.

 */

/*

 * @test

 * @bug 8219143

 * @summary Tests that using the "stop in" threadid option will properly cause the

 * breakpoint to only be triggered when hit in the specified thread.

 *

 * @library /test/lib

 * @run compile -g JdbStopThreadidTest.java

 * @run main/othervm JdbStopThreadidTest

 */

import jdk.test.lib.process.OutputAnalyzer;

import lib.jdb.Jdb;

import lib.jdb.JdbCommand;

import lib.jdb.JdbTest;

import java.util.regex.*;

class JdbStopThreadidTestTarg {

    static Object lockObj = new Object();

    public static void main(String[] args) {

        test();

    }

    private static void test() {

        JdbStopThreadidTestTarg test = new JdbStopThreadidTestTarg();

        MyThread myThread1 = test.new MyThread("MYTHREAD-1");

        MyThread myThread2 = test.new MyThread("MYTHREAD-2");

        MyThread myThread3 = test.new MyThread("MYTHREAD-3");

        synchronized (lockObj) {

            myThread1.start();

            myThread2.start();

            myThread3.start();

            // Wait for all threads to have started. Note they all block on lockObj after starting.

            while (!myThread1.started || !myThread2.started || !myThread3.started) {

                try {

                    Thread.sleep(50);

                } catch (InterruptedException e) {

                }

            }

            // Stop here so the test can setup the breakpoint in MYTHREAD-2

            brkMethod();

        }

        // Wait for all threads to finish before exiting

        try {

            myThread1.join();

            myThread2.join();

            myThread3.join();

        } catch (InterruptedException e) {

        }

    }

    static void brkMethod() {

    }

    public static void print(Object obj) {

        System.out.println(obj);

    }

    class MyThread extends Thread {

        volatile boolean started = false;

        public MyThread(String name) {

            super(name);

        }

        public void run() {

            started = true;

            synchronized (JdbStopThreadidTestTarg.lockObj) {

            }

            brkMethod();

        }

        void brkMethod() {

        }

    }

}

public class JdbStopThreadidTest extends JdbTest {

    public static void main(String argv[]) {

        new JdbStopThreadidTest().run();

    }

    private JdbStopThreadidTest() {

        super(DEBUGGEE_CLASS);

    }

    private static final String DEBUGGEE_CLASS = JdbStopThreadidTestTarg.class.getName();

    private static final String DEBUGGEE_THREAD_CLASS = JdbStopThreadidTestTarg.class.getName() + "$MyThread";

    private static Pattern threadidPattern = Pattern.compile("MyThread\\)(\\S+)\\s+MYTHREAD-2");

    @Override

    protected void runCases() {

        jdb.command(JdbCommand.stopIn(DEBUGGEE_CLASS, "brkMethod"));

        jdb.command(JdbCommand.run().waitForPrompt("Breakpoint hit: \"thread=main\"", true));

        jdb.command(JdbCommand.threads());

        // Find the threadid for MYTHREAD-2 in the "threads" command output

        String output = jdb.getJdbOutput();

        Matcher m = threadidPattern.matcher(output);

        String threadid = null;

        if (m.find()) {

            threadid = m.group(1);

        } else {

            throw new RuntimeException("FAILED: Did not match threadid pattern.");

        }

        // Setup a breakpoint in MYTHREAD-2.

        jdb.command(JdbCommand.stopInThreadid(DEBUGGEE_THREAD_CLASS, "brkMethod", threadid));

        // Continue until MYTHREAD-2 breakpoint is hit. If we hit any other breakpoint before

        // then (we aren't suppose to), then this test will fail.

        jdb.command(JdbCommand.cont().waitForPrompt("Breakpoint hit: \"thread=MYTHREAD-2\", \\S+MyThread.brkMethod", true));

        // Continue until the application exits. Once again, hitting a breakpoint will cause

        // a failure because we are not suppose to hit one.

        jdb.contToExit(1);

        new OutputAnalyzer(getJdbOutput()).shouldContain(Jdb.APPLICATION_EXIT);

    }

}