1 /*
   2  * Copyright (c) 2013, 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 6236162
  28  * @summary Checks that there is no an inconsistence in combo box
  29  *          behavior when user points an item in combo popup
  30  *          by mouse and then uses UP/DOWN keys.
  31  * @library ../../regtesthelpers
  32  * @build Util
  33  * @author Mikhail Lapshin
  34  * @run main bug6236162
  35  */
  36 
  37 import sun.awt.SunToolkit;
  38 
  39 import javax.swing.*;
  40 import javax.swing.plaf.basic.*;
  41 import javax.swing.plaf.metal.MetalComboBoxUI;
  42 import java.awt.*;
  43 import java.awt.event.KeyEvent;
  44 
  45 public class bug6236162 {
  46     private static final SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  47     private static JFrame frame;
  48     private static JComboBox combo;
  49     private static MyComboUI comboUI;
  50 
  51     public static void main(String[] args) throws Exception {
  52         UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
  53         SwingUtilities.invokeAndWait(new Runnable() {
  54             public void run() {
  55                 createAndShowGUI();
  56             }
  57         });
  58         toolkit.realSync();
  59         test();
  60         System.out.println("Test passed");
  61     }
  62 
  63     private static void createAndShowGUI() {
  64         frame = new JFrame("bug6236162");
  65 
  66         combo = new JComboBox(new String[]{"one", "two", "three", "four", "five"});
  67         combo.setEditable(true);
  68         comboUI = new MyComboUI();
  69         combo.setUI(comboUI);
  70         combo.setSelectedIndex(3);
  71         frame.getContentPane().add(combo);
  72 
  73         frame.pack();
  74         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  75         frame.setLocationRelativeTo(null);
  76         frame.setVisible(true);
  77     }
  78 
  79     private static void test() throws AWTException {
  80         Robot robot = new Robot();
  81         robot.setAutoDelay(50);
  82 
  83         // Open popup menu
  84         realSync();
  85         Util.hitKeys(robot, KeyEvent.VK_DOWN);
  86 
  87         // Move mouse to the first popup menu item
  88         realSync();
  89         Point p = combo.getLocationOnScreen();
  90         Dimension size = combo.getSize();
  91         p.x += size.width / 2;
  92         p.y += size.height;
  93         float dy = 1;
  94         robot.mouseMove(p.x, p.y - 5);
  95         for (int i=1; i <= 10; i++) {
  96             robot.mouseMove((int)(p.x), (int)(p.y - 5 + dy*i));
  97         }
  98 
  99         // Select the second popup menu item
 100         realSync();
 101         Util.hitKeys(robot, KeyEvent.VK_DOWN);
 102 
 103         realSync();
 104         JList list = comboUI.getComboPopup().getList();
 105         if (list.getSelectedIndex() != 1) {
 106             throw new RuntimeException("There is an inconsistence in combo box " +
 107                     "behavior when user points an item in combo popup " +
 108                     "by mouse and then uses UP/DOWN keys.");
 109         }
 110     }
 111 
 112     private static void realSync() {
 113         ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
 114     }
 115 
 116     // Gives access to BasicComboBoxUI.popup field
 117     private static class MyComboUI extends MetalComboBoxUI {
 118         public ComboPopup getComboPopup() {
 119             return popup;
 120         }
 121     }
 122 }