/*
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 * 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.
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 */

/*
 * @test
 * @key headful
 * @bug 6514582
 * @summary SubMenu of a JMenu with no items paints a single pixel tiny menu.
 * @author Alexander Potochkin
 * @run main bug6514582
 */

import javax.swing.*;
import java.awt.*;

public class bug6514582 {
    private static JPopupMenu popup;

    public static void main(String ...args) throws Exception {
        Robot robot = new Robot();

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                popup = new JPopupMenu();
                popup.add(new JMenuItem("item"));
                popup.setVisible(true);

            }
        });

        robot.waitForIdle();

        if (!popup.isShowing()) {
            throw new RuntimeException("Where is my popup ?");
        }

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                popup.setVisible(false);
                popup.removeAll();
                popup.setVisible(true);
            }
        });

        robot.waitForIdle();

        if (popup.isShowing()) {
            throw new RuntimeException("Empty popup is shown");
        }

        popup.setVisible(false);
    }
}