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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
// Tags: GUI JDK1.2
// Copyright (C) 2005 Roman Kennke
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve 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 for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
package gnu.testlet.java.awt.Component;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.*;
import javax.swing.*;
/**
* Checks if the update method in Component is called correctly. The
* update method is only called on lightweight and top-level components.
*
* @author Roman Kennke (roman@kennke.org)
*/
public class update implements Testlet
{
/**
* The testclasses defined in this test append a unique character to
* this teststring. This way we can check which component's update and paint
* method gets called and in which order.
*/
StringBuffer test = new StringBuffer();
// We define some classes here, they all override update() to append
// a unique character to the teststring. At the end we test if the
// teststring is correct.
class TopLevel extends Frame
{
public void update(Graphics g)
{
test.append('1');
super.update(g);
}
public void paint(Graphics g)
{
test.append('2');
super.paint(g);
}
}
class LightWeight extends Component
{
public void update(Graphics g)
{
test.append('3');
super.update(g);
}
public void paint(Graphics g)
{
test.append('4');
super.paint(g);
}
public boolean isLightweight()
{
return true;
}
}
class HeavyWeight extends Label
{
public void update(Graphics g)
{
test.append('5');
super.update(g);
}
public void paint(Graphics g)
{
test.append('6');
super.paint(g);
}
public boolean isLightweight()
{
return false;
}
}
class LightContainer extends Container
{
public void update(Graphics g)
{
test.append('7');
super.update(g);
}
public void paint(Graphics g)
{
test.append('8');
super.paint(g);
}
}
class HeavyContainer extends Label
{
public void update(Graphics g)
{
test.append('a');
super.update(g);
}
public void paint(Graphics g)
{
test.append('b');
super.paint(g);
}
}
/**
* This Graphics subclass is used to check if the background is cleared
* in the update method.
*/
class TestGraphics extends DebugGraphics
{
TestGraphics(Graphics g)
{
super(g);
}
public void clearRect(int x, int y, int w, int h)
{
test.append('9');
}
}
public void test (TestHarness harness)
{
TopLevel t = new TopLevel();
t.setLayout(new GridLayout());
HeavyWeight h = new HeavyWeight();
t.add(h);
LightWeight l = new LightWeight();
t.add(l);
LightContainer c = new LightContainer();
t.add(c);
HeavyContainer c2 = new HeavyContainer();
t.add(c2);
t.setSize(200, 200);
t.setVisible(true);
Graphics g = new TestGraphics(t.getGraphics());
// Wait until frame has become visible.
try
{
Thread.sleep(3000);
}
catch (Exception ex)
{
}
test = new StringBuffer();
t.update(g);
harness.check(test.toString(), "19284", test.toString());
t.setVisible(false);
t.dispose();
}
}
|
