1 /*
   2  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6987844
  27  * @summary Incorrect width of JComboBox drop down
  28  * @author Alexander Potochkin
  29  * @run main bug6987844
  30  */
  31 
  32 import sun.awt.SunToolkit;
  33 
  34 import javax.swing.*;
  35 import java.awt.*;
  36 import java.awt.event.InputEvent;
  37 
  38 public class bug6987844 {
  39     static JMenu menu1;
  40     static JMenu menu2;
  41 
  42     public static void main(String... args) throws Exception {
  43         SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  44         Robot robot = new Robot();
  45         robot.setAutoDelay(200);
  46 
  47         SwingUtilities.invokeAndWait(new Runnable() {
  48             public void run() {
  49                 JFrame frame = new JFrame();
  50                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  51 
  52                 JMenuBar bar = new JMenuBar();
  53                 menu1 = new JMenu("Menu1");
  54                 menu1.add(new JMenuItem("item"));
  55                 bar.add(menu1);
  56                 menu2 = new JMenu("Menu2");
  57                 menu2.add(new JMenuItem("item"));
  58                 menu2.add(new JMenuItem("item"));
  59                 bar.add(menu2);
  60 
  61                 frame.setJMenuBar(bar);
  62                 frame.pack();
  63 
  64                 frame.setVisible(true);
  65             }
  66         });
  67         toolkit.realSync();
  68         Point point1 = menu1.getLocationOnScreen();
  69         Point point2 = menu2.getLocationOnScreen();
  70 
  71         robot.mouseMove(point1.x + 1, point1.y + 1);
  72         robot.mousePress(InputEvent.BUTTON1_MASK);
  73         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  74 
  75         robot.mouseMove(point2.x + 1, point2.y + 1);
  76         robot.mousePress(InputEvent.BUTTON1_MASK);
  77         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  78         robot.mousePress(InputEvent.BUTTON1_MASK);
  79         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  80 
  81         robot.mouseMove(point1.x + 1, point1.y + 1);
  82         toolkit.realSync();
  83 
  84         SwingUtilities.invokeAndWait(new Runnable() {
  85             public void run() {
  86                 Dimension popupSize1 = menu1.getPopupMenu().getSize();
  87                 Dimension popupSize2 = menu2.getPopupMenu().getSize();
  88                 if (popupSize1.equals(popupSize2)) {
  89                     throw new RuntimeException("First popup unexpedetly changed its size");
  90                 }
  91             }
  92         });
  93     }
  94 }