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
|
/*
* java-gnome, a UI library for writing GTK and GNOME programs from Java!
*
* Copyright © 2007-2010 Operational Dynamics Consulting, Pty Ltd and Others
*
* The code in this file, and the program it is a part of, is made available
* to you by its authors as open source software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License version
* 2 ("GPL") as published by the Free Software Foundation.
*
* This program 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 GPL for more details.
*
* You should have received a copy of the GPL along with this program. If not,
* see http://www.gnu.org/licenses/. The authors of this program may be
* contacted through http://java-gnome.sourceforge.net/.
*/
package org.gnome.glib;
import org.gnome.gtk.Button;
import org.gnome.gtk.GraphicalTestCase;
import org.gnome.gtk.VBox;
import org.gnome.gtk.Widget;
/**
* Validate the behavior of methods that return a GList*, verifying the
* behaviour of the system used by java-gnome for converting that native
* GList*s into Java arrays.
*
* @author Vreixo Formoso
*/
public class ValidateGListMethods extends GraphicalTestCase
{
public final void testGetSingleGObjectChild() {
Button b;
VBox x;
Widget[] children;
b = new Button("Give me a brother, mum!");
x = new VBox(false, 3);
// add the button to the box.
x.add(b);
children = x.getChildren();
assertEquals(1, children.length);
assertSame(b, children[0]);
}
public final void testGetEmptyGObjectChildren() {
VBox x;
Widget[] children;
x = new VBox(false, 3);
children = x.getChildren();
assertNotNull(children);
assertEquals(0, children.length);
}
public final void testMultipleGObjectChildren() {
Button b1, b2;
VBox x;
Widget[] children;
b1 = new Button("Button1");
b2 = new Button("Button2");
x = new VBox(false, 3);
// add the first button to the box.
x.add(b1);
children = x.getChildren();
assertEquals(1, children.length);
assertSame(b1, children[0]);
// add the second button to the box.
x.add(b2);
children = x.getChildren();
assertEquals(2, children.length);
/*
* Vreixo asks if we can we make any assumptions about the order? Hard
* to say, really. Depends on what the actual internal storage type
* inside GtkContainer is for the children, and whether it preserves
* order. It appears to be a linked list, so the following test seems
* valid. Vreixo's original idea to test both possibilities is always
* something we can revert to if we have to.
*/
// assertTrue((children[0] == b1 && children[1] == b2) || (children[1]
// == b1 && children[0] == b2));
assertTrue(children[0] == b1 && children[1] == b2);
}
}
|
