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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

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 * 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.

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 */

import static java.lang.Thread.State.*;

/*

 * @test

 * @bug     5014783 8022208

 * @summary Basic unit test of thread states returned by

 *          Thread.getState().

 *

 * @author  Mandy Chung

 * @library /lib/testlibrary

 * @build jdk.testlibrary.*

 * @build ThreadStateTest ThreadStateController

 * @run main/othervm -Xmixed ThreadStateTest

 */

public class ThreadStateTest {

    private static boolean testFailed = false;

    // used to achieve waiting states

    private static final Object globalLock = new Object();

    public static void main(String[] argv) throws Exception {

        // Call Thread.getState to force all initialization done

        // before test verification begins.

        Thread.currentThread().getState();

        ThreadStateController thread = new ThreadStateController("StateChanger", globalLock);

        thread.setDaemon(true);

        // before myThread starts

        thread.checkThreadState(NEW);

        thread.start();

        thread.transitionTo(RUNNABLE);

        thread.checkThreadState(RUNNABLE);

        synchronized (globalLock) {

            thread.transitionTo(BLOCKED);

            thread.checkThreadState(BLOCKED);

        }

        thread.transitionTo(WAITING);

        thread.checkThreadState(WAITING);

        thread.transitionTo(TIMED_WAITING);

        thread.checkThreadState(TIMED_WAITING);

        thread.transitionToPark(true /* timed park*/);

        thread.checkThreadState(TIMED_WAITING);

        thread.transitionToPark(false /* indefinite park */);

        thread.checkThreadState(WAITING);

        thread.transitionToSleep();

        thread.checkThreadState(TIMED_WAITING);

        thread.transitionTo(TERMINATED);

        thread.checkThreadState(TERMINATED);

        try {

            thread.join();

        } catch (InterruptedException e) {

            e.printStackTrace();

            System.out.println("Unexpected exception.");

            testFailed = true;

        }

        if (testFailed)

            throw new RuntimeException("TEST FAILED.");

        System.out.println("Test passed.");

    }

}