/*

 * Copyright (c) 2007, 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 6493680

 * @summary Tests if notifications are received in expected order

 * @author Igor Kushnirskiy

 */

import javax.swing.*;

import java.beans.*;

import java.util.concurrent.atomic.*;

import java.util.concurrent.*;

public class bug6493680 {

    /*

     * because timing is involved in this bug we will run the test

     * NUMBER_OF_TRIES times.

     * the test passes if it does not fail once.

     */

    private final static int NUMBER_OF_TRIES = 50;

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

        for (int i = 0; i < NUMBER_OF_TRIES; i++) {

            if (! (new Test()).test()) {

                throw new RuntimeException("failed");

            }

        }

    }

    private static class Test {

        private final AtomicInteger lastProgressValue = new AtomicInteger(-1);

        private final Exchanger<Boolean> exchanger = new Exchanger<Boolean>();

        boolean test() throws Exception {

            TestSwingWorker swingWorker = new TestSwingWorker();

            swingWorker.addPropertyChangeListener(

                new PropertyChangeListener() {

                    public void propertyChange(PropertyChangeEvent evt) {

                        if ("progress" == evt.getPropertyName()) {

                            lastProgressValue.set((Integer) evt.getNewValue());

                        }

                    }

                });

            swingWorker.execute();

            return exchanger.exchange(true);

        }

        private class TestSwingWorker extends SwingWorker<Void, Void> {

            @Override

            protected Void doInBackground() throws Exception {

                for (int i = 0; i <= 100; i++) {

                    Thread.sleep(1);

                    setProgress(i);

                }

                return null;

            }

            @Override

            protected void done() {

                boolean isPassed = (lastProgressValue.get() == 100);

                try {

                    exchanger.exchange(isPassed);

                } catch (Exception ingore) {

                }

            }

        }

    }

}