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
|
/*
* Copyright (c) 2012, 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.
*/
/*
@test
@key headful
@bug 7107099
@summary JScrollBar does not show up even if there are enough lebgth of textstring in textField
@author Pavel Porvatov
*/
import javax.swing.*;
import java.awt.*;
public class bug7107099 {
private static JFrame frame;
private static JTextArea textarea;
private static JScrollPane scrollPane;
private static int value;
private static int min;
private static int max;
private static int extent;
public static void main(String[] args) throws Exception {
java.awt.Robot robot = new java.awt.Robot();
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
textarea = new JTextArea("before###1###\nbefore###2###\nbefore###3###\nbefore###4###\nbefore###5###\n");
scrollPane = new JScrollPane(textarea);
scrollPane.setPreferredSize(new Dimension(100, 50));
frame = new JFrame();
frame.setLayout(new BorderLayout());
frame.setSize(200, 200);
frame.add(scrollPane, BorderLayout.SOUTH);
frame.setVisible(true);
}
});
robot.waitForIdle();
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
BoundedRangeModel model = scrollPane.getVerticalScrollBar().getModel();
value = model.getValue();
min = model.getMinimum();
max = model.getMaximum();
extent = model.getExtent();
// Do tricky manipulation for testing purpose
textarea.setText(null);
scrollPane.setViewportView(textarea);
textarea.setText("after###1###\nafter###1###\nafter###1###\nafter###1###\nafter###1###\n");
textarea.setCaretPosition(0);
}
});
robot.waitForIdle();
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
BoundedRangeModel model = scrollPane.getVerticalScrollBar().getModel();
if (value != model.getValue() ||
min != model.getMinimum() ||
max != model.getMaximum() ||
extent != model.getExtent()) {
throw new RuntimeException("Test bug7107099 failed");
}
System.out.println("Test bug7107099 passed");
frame.dispose();
}
});
}
}
|
