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 * Copyright (c) 2017, 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

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 */

import java.awt.event.AWTEventListener;

import java.util.EventListener;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.TimeUnit;

import javax.swing.event.EventListenerList;

/**

 * @test

 * @bug 5031664

 * @summary EventListenerList.getXXX should always return up to date data

 */

public final class GetUpToDateData {

    static final EventListenerList listeners = new EventListenerList();

    static final EventListener o1 = new EventListener() {

    };

    static final AWTEventListener o2 = event -> {

    };

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

        CountDownLatch go = new CountDownLatch(3);

        Thread t1 = new Thread(() -> {

            try {

                // Time to warm-up t3, t4, t5

                Thread.sleep(2000);

            } catch (InterruptedException e) {

            }

            listeners.add(EventListener.class, o1);

        });

        Thread t2 = new Thread(() -> {

            try {

                // Time to warm-up t3, t4, t5

                Thread.sleep(2000);

            } catch (InterruptedException e) {

            }

            listeners.add(AWTEventListener.class, o2);

        });

        Thread t3 = new Thread(() -> {

            while (listeners.getListenerCount() != 2) {

            }

            go.countDown();

        });

        Thread t4 = new Thread(() -> {

            while (listeners.getListeners(EventListener.class).length != 1

                    || listeners.getListeners(EventListener.class)[0] != o1) {

            }

            go.countDown();

        });

        Thread t5 = new Thread(() -> {

            while (listeners.getListeners(AWTEventListener.class).length != 1

                    || listeners.getListeners(AWTEventListener.class)[0] != o2) {

            }

            go.countDown();

        });

        t1.setDaemon(true);

        t2.setDaemon(true);

        t3.setDaemon(true);

        t4.setDaemon(true);

        t5.setDaemon(true);

        t1.start();

        t2.start();

        t3.start();

        t4.start();

        t5.start();

        if (!go.await(10, TimeUnit.SECONDS)) {

            throw new RuntimeException("The test hangs");

        }

    }

}