1 /*
   2  * Copyright (c) 2008, 2012, 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 6366126
  28  * @summary List throws ArrayIndexOutOfBoundsException when pressing ENTER after removing all the items, Win32
  29  * @author Dmitry Cherepanov area=awt.list
  30  * @run main EmptyListEventTest
  31  */
  32 import java.awt.*;
  33 import java.awt.event.*;
  34 import javax.swing.JFrame;
  35 import javax.swing.JPanel;
  36 import javax.swing.SwingUtilities;
  37 
  38 public class EmptyListEventTest {
  39 
  40     private static List list;
  41 
  42     public static void main(String[] args) throws Exception {
  43 
  44         Robot robot = new Robot();
  45         robot.setAutoDelay(50);
  46 
  47         SwingUtilities.invokeAndWait(new Runnable() {
  48 
  49             @Override
  50             public void run() {
  51                 createAndShowGUI();
  52             }
  53         });
  54 
  55         robot.waitForIdle();
  56 
  57         // press mouse -> ItemEvent
  58         Point point = getClickPoint();
  59         robot.mouseMove(point.x, point.y);
  60         robot.mousePress(InputEvent.BUTTON1_MASK);
  61         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  62 
  63         robot.waitForIdle();
  64 
  65         SwingUtilities.invokeAndWait(new Runnable() {
  66 
  67             @Override
  68             public void run() {
  69                 list.requestFocusInWindow();
  70             }
  71         });
  72 
  73         robot.waitForIdle();
  74 
  75         if (KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() != list) {
  76             throw new RuntimeException("Test failed - list isn't focus owner.");
  77         }
  78 
  79         // press key ENTER -> ActionEvent
  80         robot.keyPress(KeyEvent.VK_ENTER);
  81         robot.keyRelease(KeyEvent.VK_ENTER);
  82         robot.waitForIdle();
  83 
  84         // press key SPACE -> ItemEvent
  85         robot.keyPress(KeyEvent.VK_SPACE);
  86         robot.keyRelease(KeyEvent.VK_SPACE);
  87         robot.waitForIdle();
  88 
  89         // mouse double click -> ActionEvent
  90         robot.setAutoDelay(10);
  91         robot.mousePress(InputEvent.BUTTON1_MASK);
  92         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  93         robot.mousePress(InputEvent.BUTTON1_MASK);
  94         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  95         robot.waitForIdle();
  96     }
  97 
  98     private static Point getClickPoint() throws Exception {
  99         final Point[] result = new Point[1];
 100 
 101         SwingUtilities.invokeAndWait(new Runnable() {
 102 
 103             @Override
 104             public void run() {
 105                 Point point = list.getLocationOnScreen();
 106                 point.translate(list.getWidth() / 2, list.getHeight() / 2);
 107                 result[0] = point;
 108 
 109             }
 110         });
 111 
 112         return result[0];
 113 
 114 
 115     }
 116 
 117     private static void createAndShowGUI() {
 118         JFrame frame = new JFrame();
 119         frame.setSize(200, 200);
 120         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 121 
 122         JPanel panel = new JPanel(new BorderLayout());
 123 
 124         frame.getToolkit().addAWTEventListener(new AWTEventListener() {
 125 
 126             public void eventDispatched(AWTEvent e) {
 127                 System.out.println(e);
 128             }
 129         }, AWTEvent.FOCUS_EVENT_MASK | AWTEvent.WINDOW_FOCUS_EVENT_MASK);
 130 
 131 
 132         MyListener listener = new MyListener();
 133 
 134         list = new List(4, true);
 135         list.addActionListener(listener);
 136         list.addItemListener(listener);
 137 
 138         panel.add(list);
 139 
 140         frame.getContentPane().add(panel);
 141         frame.setVisible(true);
 142 
 143     }
 144 
 145     static class MyListener implements ActionListener, ItemListener {
 146 
 147         public void actionPerformed(ActionEvent ae) {
 148             System.err.println(ae);
 149             throw new RuntimeException("Test failed - list is empty so event is redundant");
 150         }
 151 
 152         public void itemStateChanged(ItemEvent ie) {
 153             System.err.println(ie);
 154             throw new RuntimeException("Test failed - list is empty so event is redundant");
 155         }
 156     }
 157 }