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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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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 * questions.
 */

 /*
 @test
 @bug 8062946
 @summary Verify Transparency upon iconify/deiconify sequence
 @run main TransparencyTest
 */

import java.awt.Robot;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;

public class TransparencyTest {

    private static JFrame frame;
    private static JDialog dialog;
    private static final int WIDTH = 250;
    private static final int HEIGHT = 250;
    private static final float OPACITY = 0.60f;

    public static void createAndShowGUI() {
        frame = new JFrame("JFrame");
        frame.setSize(WIDTH, HEIGHT);

        dialog = new JDialog(frame, false);
        dialog.setSize(250, 250);
        dialog.setUndecorated(true);
        dialog.setOpacity(OPACITY);

        frame.setLocationRelativeTo(null);
        dialog.setLocation(frame.getLocation().x + WIDTH + 10, frame.getLocation().y);

        frame.setVisible(true);
        dialog.setVisible(true);
    }

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

        Robot robot = new Robot();
        // create a GUI
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                createAndShowGUI();
            }
        });
        robot.waitForIdle();

        // iconify frame
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                frame.setExtendedState(JFrame.ICONIFIED);
            }
        });
        robot.waitForIdle();

        // deiconify frame
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                frame.setExtendedState(JFrame.NORMAL);
            }
        });
        robot.waitForIdle();

        if (dialog.getOpacity() != OPACITY) {
            frame.dispose();
            throw new RuntimeException("JDialog transparency lost upon iconify/deiconify sequence");
        }
        frame.dispose();
    }
}