1/*
2 * Copyright (c) 2015, 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 8134828
26   @summary Scrollbar thumb disappears with Nimbus L&F
27   @author Semyon Sadetsky
28*/
29
30import javax.swing.*;
31import java.awt.*;
32
33public class ScrollBarThumbVisibleTest
34{
35    private static JFrame frame;
36    private static Point point;
37    private static JScrollBar bar;
38
39    public static void main(String[] args) throws Exception {
40        for (UIManager.LookAndFeelInfo info : UIManager
41                .getInstalledLookAndFeels()) {
42            if ("Nimbus".equals(info.getName())) {
43                try {
44                    UIManager.setLookAndFeel(info.getClassName());
45                } catch (Exception ex) {
46                }
47                break;
48            }
49        }
50        try {
51            SwingUtilities.invokeAndWait(new Runnable() {
52                public void run() {
53                    frame = new JFrame();
54                    frame.setUndecorated(true);
55                    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
56                    setup(frame);
57                }
58            });
59            final Robot robot = new Robot();
60            robot.delay(200);
61            robot.waitForIdle();
62            SwingUtilities.invokeAndWait(new Runnable() {
63                @Override
64                public void run() {
65                    point = bar.getLocationOnScreen();
66                }
67            });
68            Color color1 = robot.getPixelColor(point.x + 48, point.y + 55);
69            Color color2 = robot.getPixelColor(point.x + 48, point.y + 125);
70            System.out.println(color1);
71            System.out.println(color2);
72           if (color1.equals(color2)) {
73                throw new RuntimeException("Thump is not visible");
74            }
75        } finally {
76            SwingUtilities.invokeAndWait(new Runnable() {
77                @Override
78                public void run() {
79                    frame.dispose();
80                }
81            });
82        }
83        System.out.println("ok");
84    }
85
86    static void setup(JFrame frame) {
87        bar = new JScrollBar(Adjustable.VERTICAL, 500, 0, 0, 1000);
88        frame.getContentPane().add(bar);
89        frame.setSize(50, 250);
90        frame.setLocation(100, 100);
91        frame.setVisible(true);
92    }
93}
94