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 */
32import java.awt.*;
33import java.awt.event.*;
34import javax.swing.JFrame;
35import javax.swing.JPanel;
36import javax.swing.SwingUtilities;
37
38public 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}
158