bug6578666.java revision 11111:4ef86895869c 
1/*
2 * Copyright (c) 2011, 2014, 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 * @test
25 * @bug 6578666
26 * @summary REGRESSION: Exception occurs when updateUI for JTree is triggered by KeyEvent
27 * @run main bug6578666
28 * @author Alexander Potochkin
29 */
30
31import javax.swing.*;
32import java.awt.*;
33import java.awt.event.KeyAdapter;
34import java.awt.event.KeyEvent;
35
36public class bug6578666 {
37
38    private static JTree tree;
39
40    private static void createGui() {
41        final JFrame frame = new JFrame();
42        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
43
44        tree = new JTree();
45        frame.add(tree);
46
47        tree.addKeyListener(new KeyAdapter() {
48            public void keyPressed(KeyEvent e) {
49                tree.updateUI();
50            }
51        });
52
53        frame.setSize(200, 200);
54        frame.setLocationRelativeTo(null);
55        frame.setVisible(true);
56    }
57
58    public static void main(String[] args) throws Exception {
59        Robot robot = new Robot();
60        robot.setAutoDelay(10);
61
62        SwingUtilities.invokeAndWait(new Runnable() {
63            public void run() {
64                bug6578666.createGui();
65            }
66        });
67
68        robot.waitForIdle();
69
70        tree.requestFocus();
71        robot.waitForIdle();
72
73        robot.keyPress(KeyEvent.VK_SPACE);
74        robot.keyRelease(KeyEvent.VK_SPACE);
75        robot.waitForIdle();
76        robot.keyPress(KeyEvent.VK_SPACE);
77        robot.keyRelease(KeyEvent.VK_SPACE);
78
79    }
80}
81