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 * Copyright (c) 2010, 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.
 *
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 * questions.
 */

/*
 * @test
 * @bug 6987844
 * @summary Incorrect width of JComboBox drop down
 * @author Alexander Potochkin
 * @run main bug6987844
 */

import sun.awt.SunToolkit;

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

public class bug6987844 {
    static JMenu menu1;
    static JMenu menu2;

    public static void main(String... args) throws Exception {
        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
        Robot robot = new Robot();
        robot.setAutoDelay(200);

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                JFrame frame = new JFrame();
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                JMenuBar bar = new JMenuBar();
                menu1 = new JMenu("Menu1");
                menu1.add(new JMenuItem("item"));
                bar.add(menu1);
                menu2 = new JMenu("Menu2");
                menu2.add(new JMenuItem("item"));
                menu2.add(new JMenuItem("item"));
                bar.add(menu2);

                frame.setJMenuBar(bar);
                frame.pack();

                frame.setVisible(true);
            }
        });
        toolkit.realSync();
        Point point1 = menu1.getLocationOnScreen();
        Point point2 = menu2.getLocationOnScreen();

        robot.mouseMove(point1.x + 1, point1.y + 1);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);

        robot.mouseMove(point2.x + 1, point2.y + 1);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);

        robot.mouseMove(point1.x + 1, point1.y + 1);
        toolkit.realSync();

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                Dimension popupSize1 = menu1.getPopupMenu().getSize();
                Dimension popupSize2 = menu2.getPopupMenu().getSize();
                if (popupSize1.equals(popupSize2)) {
                    throw new RuntimeException("First popup unexpedetly changed its size");
                }
            }
        });
    }
}