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  * @key headful
  27  * @bug 6987844
  28  * @summary Incorrect width of JComboBox drop down
  29  * @author Alexander Potochkin
  30  * @run main bug6987844
  31  */
  32 
  33 import javax.swing.*;
  34 import java.awt.*;
  35 import java.awt.event.InputEvent;
  36 
  37 public class bug6987844 {
  38     static JMenu menu1;
  39     static JMenu menu2;
  40 
  41     public static void main(String... args) throws Exception {
  42         Robot robot = new Robot();
  43         robot.setAutoDelay(200);
  44 
  45         SwingUtilities.invokeAndWait(new Runnable() {
  46             public void run() {
  47                 JFrame frame = new JFrame();
  48                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  49 
  50                 JMenuBar bar = new JMenuBar();
  51                 menu1 = new JMenu("Menu1");
  52                 menu1.add(new JMenuItem("item"));
  53                 bar.add(menu1);
  54                 menu2 = new JMenu("Menu2");
  55                 menu2.add(new JMenuItem("item"));
  56                 menu2.add(new JMenuItem("item"));
  57                 bar.add(menu2);
  58 
  59                 frame.setJMenuBar(bar);
  60                 frame.pack();
  61 
  62                 frame.setVisible(true);
  63             }
  64         });
  65         robot.waitForIdle();
  66         Point point1 = menu1.getLocationOnScreen();
  67         Point point2 = menu2.getLocationOnScreen();
  68 
  69         robot.mouseMove(point1.x + 1, point1.y + 1);
  70         robot.mousePress(InputEvent.BUTTON1_MASK);
  71         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  72 
  73         robot.mouseMove(point2.x + 1, point2.y + 1);
  74         robot.mousePress(InputEvent.BUTTON1_MASK);
  75         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  76         robot.mousePress(InputEvent.BUTTON1_MASK);
  77         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  78 
  79         robot.mouseMove(point1.x + 1, point1.y + 1);
  80         robot.waitForIdle();
  81 
  82         SwingUtilities.invokeAndWait(new Runnable() {
  83             public void run() {
  84                 Dimension popupSize1 = menu1.getPopupMenu().getSize();
  85                 Dimension popupSize2 = menu2.getPopupMenu().getSize();
  86                 if (popupSize1.equals(popupSize2)) {
  87                     throw new RuntimeException("First popup unexpedetly changed its size");
  88                 }
  89             }
  90         });
  91     }
  92 }