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 }