File: TabbedPaneBug.java

package info (click to toggle)
openjdk-21 21.0.8%2B9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 823,976 kB
  • sloc: java: 5,613,338; xml: 1,643,607; cpp: 1,296,296; ansic: 420,291; asm: 404,850; objc: 20,994; sh: 15,271; javascript: 11,245; python: 6,895; makefile: 2,362; perl: 357; awk: 351; sed: 172; jsp: 24; csh: 3
file content (107 lines) | stat: -rw-r--r-- 3,718 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
/*
 * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.awt.AWTException;
import java.awt.Color;
import java.awt.Robot;
import java.lang.reflect.InvocationTargetException;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.SwingUtilities;

/*
 * @test
 * @bug 8259687
 * @key headful
 * @summary Tests whether the selected tab's component is on the top and visible.
 * @run main TabbedPaneBug
 */
public class TabbedPaneBug {

    private static final int FIRST = 0;
    private static final int SECOND = 1;
    private static JFrame window;
    private static JTabbedPane tabs;
    private static final JPanel firstTab = new JPanel();
    private static final JPanel secondTab = new JPanel();

    public static void main(String[] args) throws AWTException,
            InterruptedException, InvocationTargetException {
        try {
            Robot robot = new Robot();
            robot.setAutoDelay(200);
            SwingUtilities.invokeAndWait(() -> createAndShowGUI());

            robot.waitForIdle();
            robot.mouseMove(window.getWidth()/2, window.getHeight()/2);
            robot.delay(500);
            Color actualColor = robot.getPixelColor(window.getWidth()/2,
                    window.getHeight()/2);
            robot.delay(200);

            if (actualColor.equals(Color.RED)) {
                throw new RuntimeException("The second (selected) component" +
                        " is not on the top!!");
            }
        } finally {
            SwingUtilities.invokeAndWait(() -> {
                if (window != null) {
                    window.dispose();
                }
            });
        }

    }

    private static void createAndShowGUI() {
        window = new JFrame("Tabbed Pane Bug");
        tabs = new JTabbedPane();

        firstTab.setBackground(Color.RED);
        secondTab.setBackground(Color.GREEN);

        tabs.addChangeListener((e) -> {
            if (tabs.getSelectedComponent() == null) {
                switch (tabs.getSelectedIndex()) {
                    case FIRST:
                        tabs.setComponentAt(tabs.getSelectedIndex(), firstTab);
                        break;
                    case SECOND:
                        tabs.setComponentAt(tabs.getSelectedIndex(), secondTab);
                        break;
                    default:
                }
            }
        });

        tabs.addTab("First", null);
        tabs.addTab("Second", null);

        tabs.setSelectedIndex(SECOND);
        window.add(tabs);
        window.setSize(200, 200);
        window.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        window.setVisible(true);
    }
}