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 *

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/*

  @test

  @bug 8015500

  @summary DisposeAction multiplies the WINDOW_CLOSED event.

  @author jlm@joseluismartin.info

  @run main WindowClosedEventOnDispose

 */

import java.awt.Toolkit;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.JDialog;

import javax.swing.JFrame;

import javax.swing.SwingUtilities;

/**

 * WindowClosedEventOnDispose.java

 * Summary: tests that Window don't multiplies the WINDOW_CLOSED event

 * on dispose.

 * Test fails if fire more events that expected;

 */

public class WindowClosedEventOnDispose {

    private static int N_LOOPS = 5;

    private static int N_DIALOGS = 2;

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

        tesWithFrame();

        testWithoutFrame();

        testHidenChildDispose();

        testHidenWindowDispose();

    }

    /**

     * Test WINDOW_CLOSED event received by a dialog

     * that have a owner window.

     * @throws Exception

     */

    public static void tesWithFrame() throws Exception {

        doTest(true);

    }

    /**

     * Test WINDOW_CLOSED event received by a dialog

     * that don't have a owner window.

     * @throws Exception

     */

    public static void testWithoutFrame() throws Exception  {

        System.out.println("Run without owner Frame");

        doTest(false);

    }

    /**

     * Test if a dialog that has never been shown fire

     * the WINDOW_CLOSED event on parent dispose().

     * @throws Exception

     */

    public static void testHidenChildDispose() throws Exception {

        JFrame f = new JFrame();

        JDialog dlg = new JDialog(f);

        Listener l = new Listener();

        dlg.addWindowListener(l);

        f.dispose();

        waitEvents();

        assertEquals(0, l.getCount());

    }

    /**

     * Test if a dialog fire the WINDOW_CLOSED event

     * on parent dispose().

     * @throws Exception

     */

    public static void testVisibleChildParentDispose() throws Exception {

        JFrame f = new JFrame();

        JDialog dlg = new JDialog(f);

        Listener l = new Listener();

        dlg.addWindowListener(l);

        dlg.setVisible(true);

        f.dispose();

        waitEvents();

        assertEquals(1, l.getCount());

    }

    /**

     * Test if a Window that has never been shown fire the

     * WINDOW_CLOSED event on dispose()

     */

    public static void testHidenWindowDispose() throws Exception {

        JFrame f = new JFrame();

        Listener l = new Listener();

        f.addWindowListener(l);

        f.dispose();

        waitEvents();

        assertEquals(0, l.getCount());

    }

    /**

     * Test if a JDialog receive the correct number

     * of WINDOW_CLOSED_EVENT

     * @param useFrame true if use a owner frame

     * @throws Exception

     */

    private static void doTest(final boolean useFrame) throws Exception {

        final Listener l  = new Listener();

        final JFrame f = new JFrame();

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

            SwingUtilities.invokeLater(new Runnable() {

                public void run() {

                    JDialog[] dialogs = new JDialog[N_DIALOGS];

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

                        if (useFrame) {

                            dialogs[i]= new JDialog(f);

                        }

                        else {

                            dialogs[i] = new JDialog();

                        }

                        dialogs[i].addWindowListener(l);

                        dialogs[i].setVisible(true);

                    }

                    // Dispose all

                    for (JDialog d : dialogs)

                        d.dispose();

                    f.dispose();

                }

            });

        }

        waitEvents();

        assertEquals(N_DIALOGS * N_LOOPS, l.getCount());

    }

    private static void waitEvents() throws InterruptedException {

        // Wait until events are dispatched

        while (Toolkit.getDefaultToolkit().getSystemEventQueue().peekEvent() != null)

            Thread.sleep(100);

    }

    /**

     * @param expected the expected value

     * @param real the real value

     */

    private static void assertEquals(int expected, int real) throws Exception {

        if (expected != real) {

            throw new Exception("Expected events: " + expected + " Received Events: " + real);

        }

    }

}

/**

 * Listener to count events

 */

class Listener extends WindowAdapter {

    private volatile int count = 0;

    public void windowClosed(WindowEvent e) {

        count++;

    }

    public int getCount() {

        return count;

    }

    public void setCount(int count) {

        this.count = count;

    }

}