ButtonRepaint.java revision 14851:980da45565c8 
1/*
2 * Copyright (c) 2013, 2016, 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
25import java.awt.*;
26
27/**
28 * @test
29 * @key headful
30 * @bug 7090424
31 * @author Sergey Bylokhov
32 */
33public final class ButtonRepaint extends Button {
34
35    public static void main(final String[] args) {
36        for (int i = 0; i < 10; ++i) {
37            final Frame frame = new Frame();
38            frame.setSize(300, 300);
39            frame.setLocationRelativeTo(null);
40            ButtonRepaint button = new ButtonRepaint();
41            frame.add(button);
42            frame.setVisible(true);
43            sleep();
44            button.test();
45            frame.dispose();
46        }
47    }
48
49    private static void sleep() {
50        try {
51            Thread.sleep(2000);
52        } catch (InterruptedException ignored) {
53        }
54    }
55
56    @Override
57    public void paint(final Graphics g) {
58        super.paint(g);
59        if (!EventQueue.isDispatchThread()) {
60            throw new RuntimeException("Wrong thread");
61        }
62        test();
63    }
64
65    void test() {
66        setLabel("");
67        setLabel(null);
68        setLabel(getLabel());
69
70        setFont(null);
71        setFont(getFont());
72
73        setBackground(null);
74        setBackground(getBackground());
75
76        setForeground(null);
77        setForeground(getForeground());
78
79        setEnabled(isEnabled());
80    }
81}
82