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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
 * 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.
 *
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 */

/*
 * @test
 * @bug     5014783 8022208
 * @summary Basic unit test of thread states returned by
 *          Thread.getState().
 *
 * @author  Mandy Chung
 * @library /lib/testlibrary
 * @build ThreadStateTest ThreadStateController
 * @run main 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) {
        // Call Thread.getState to force all initialization done
        // before test verification begins.
        Thread.currentThread().getState();
        ThreadStateController myThread = new ThreadStateController("MyThread", globalLock);
        myThread.setDaemon(true);

        // before myThread starts
        ThreadStateController.checkThreadState(myThread, Thread.State.NEW);

        myThread.start();
        myThread.waitUntilStarted();
        ThreadStateController.checkThreadState(myThread, Thread.State.RUNNABLE);

        synchronized (globalLock) {
            myThread.goBlocked();
            ThreadStateController.checkThreadState(myThread, Thread.State.BLOCKED);
        }

        myThread.goWaiting();
        ThreadStateController.checkThreadState(myThread, Thread.State.WAITING);

        myThread.goTimedWaiting();
        ThreadStateController.checkThreadState(myThread, Thread.State.TIMED_WAITING);


      /*
       *********** park and parkUntil seems not working
       * ignore this case for now.
       * Bug ID 5062095
       ***********************************************

        myThread.goParked();
        ThreadStateController.checkThreadState(myThread, Thread.State.WAITING);

        myThread.goTimedParked();
        ThreadStateController.checkThreadState(myThread, Thread.State.TIMED_WAITING);
       */


        myThread.goSleeping();
        ThreadStateController.checkThreadState(myThread, Thread.State.TIMED_WAITING);

        myThread.terminate();
        ThreadStateController.checkThreadState(myThread, Thread.State.TERMINATED);

        try {
            myThread.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.");
    }
}