/*

 * Copyright (c) 2009, 2010, 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 6799345

   @summary Tests that no exceptions are thrown from TimerQueue and

SwingWorker on AppContext shutdown

   @author art

   @run main TestShutdown

*/

import java.awt.*;

import java.awt.event.*;

import java.util.*;

import javax.swing.*;

import sun.awt.*;

public class TestShutdown

{

    private static AppContext targetAppContext;

    private static JFrame f;

    private static JTextField tf;

    private static volatile boolean exceptionsOccurred = false;

    private static volatile boolean appcontextInitDone = false;

    private static int timerValue = 0;

    public static void main(String[] args)

        throws Exception

    {

        ThreadGroup tg = new TestThreadGroup("TTG");

        Thread t = new Thread(tg, new TestRunnable(), "InitThread");

        t.start();

        while (!appcontextInitDone)

        {

            Thread.sleep(1000);

        }

        targetAppContext.dispose();

        if (exceptionsOccurred)

        {

            throw new RuntimeException("Test FAILED: some exceptions occurred");

        }

    }

    static void initGUI()

    {

        f = new JFrame("F");

        f.setBounds(100, 100, 200, 100);

        tf = new JTextField("Test");

        f.add(tf);

        f.setVisible(true);

    }

    static void startGUI()

    {

        // caret blink Timer

        tf.requestFocusInWindow();

        // misc Timer

        ActionListener al = new ActionListener()

        {

            @Override

            public void actionPerformed(ActionEvent ae)

            {

                System.out.println("Timer tick: " + timerValue++);

            }

        };

        new javax.swing.Timer(30, al).start();

    }

    static class TestThreadGroup extends ThreadGroup

    {

        public TestThreadGroup(String name)

        {

            super(name);

        }

        @Override

        public synchronized void uncaughtException(Thread thread, Throwable t)

        {

            if (t instanceof ThreadDeath)

            {

                // this one is expected, rethrow

                throw (ThreadDeath)t;

            }

            System.err.println("Test FAILED: an exception is caught in the " +

                               "target thread group on thread " + thread.getName());

            t.printStackTrace(System.err);

            exceptionsOccurred = true;

        }

    }

    static class TestRunnable implements Runnable

    {

        @Override

        public void run()

        {

            SunToolkit stk = (SunToolkit)Toolkit.getDefaultToolkit();

            targetAppContext = stk.createNewAppContext();

            // create and show frame and text field

            SwingUtilities.invokeLater(new Runnable()

            {

                @Override

                public void run()

                {

                    initGUI();

                }

            });

            stk.realSync();

            // start some Timers

            SwingUtilities.invokeLater(new Runnable()

            {

                @Override

                public void run()

                {

                    startGUI();

                }

            });

            // start multiple SwingWorkers

            while (!Thread.interrupted())

            {

                try

                {

                    new TestSwingWorker().execute();

                    Thread.sleep(40);

                }

                catch (Exception e)

                {

                    // exception here is expected, skip

                    break;

                }

            }

        }

    }

    static class TestSwingWorker extends SwingWorker<String, Integer>

    {

        @Override

        public String doInBackground()

        {

            Random r = new Random();

            for (int i = 0; i < 10; i++)

            {

                try

                {

                    int delay = r.nextInt() % 50;

                    Thread.sleep(delay);

                    publish(delay);

                }

                catch (Exception z)

                {

                    break;

                }

            }

            if (!appcontextInitDone)

            {

                appcontextInitDone = true;

            }

            return "Done";

        }

        @Override

        public void process(java.util.List<Integer> chunks)

        {

            for (Integer i : chunks)

            {

                System.err.println("Processed: " + i);

            }

        }

    }

}