1/* GTK - The GIMP Toolkit
2 * Copyright (C) 2014 Red Hat, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include <gtk/gtk.h>
19
20static void
21test_basic (void)
22{
23 GtkAdjustment *a;
24
25 a = gtk_adjustment_new (value: 2.0, lower: 0.0, upper: 100.0, step_increment: 1.0, page_increment: 5.0, page_size: 10.0);
26
27 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 2.0);
28 g_assert_cmpfloat (gtk_adjustment_get_lower (a), ==, 0.0);
29 g_assert_cmpfloat (gtk_adjustment_get_upper (a), ==, 100.0);
30 g_assert_cmpfloat (gtk_adjustment_get_step_increment (a), ==, 1.0);
31 g_assert_cmpfloat (gtk_adjustment_get_page_increment (a), ==, 5.0);
32 g_assert_cmpfloat (gtk_adjustment_get_page_size (a), ==, 10.0);
33 g_assert_cmpfloat (gtk_adjustment_get_minimum_increment (a), ==, 1.0);
34
35 gtk_adjustment_set_value (adjustment: a, value: 50.0);
36 gtk_adjustment_set_lower (adjustment: a, lower: 20.0);
37 gtk_adjustment_set_upper (adjustment: a, upper: 75.5);
38 gtk_adjustment_set_step_increment (adjustment: a, step_increment: 2.2);
39 gtk_adjustment_set_page_increment (adjustment: a, page_increment: 1.5);
40 gtk_adjustment_set_page_size (adjustment: a, page_size: 10.0);
41
42 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 50.0);
43 g_assert_cmpfloat (gtk_adjustment_get_lower (a), ==, 20.0);
44 g_assert_cmpfloat (gtk_adjustment_get_upper (a), ==, 75.5);
45 g_assert_cmpfloat (gtk_adjustment_get_step_increment (a), ==, 2.2);
46 g_assert_cmpfloat (gtk_adjustment_get_page_increment (a), ==, 1.5);
47 g_assert_cmpfloat (gtk_adjustment_get_page_size (a), ==, 10.0);
48 g_assert_cmpfloat (gtk_adjustment_get_minimum_increment (a), ==, 1.5);
49
50 g_object_unref (object: a);
51}
52
53static int changed_count;
54static int value_changed_count;
55
56static void
57changed_cb (GtkAdjustment *a)
58{
59 changed_count++;
60}
61
62static void
63value_changed_cb (GtkAdjustment *a)
64{
65 value_changed_count++;
66}
67
68static void
69test_signals (void)
70{
71 GtkAdjustment *a;
72
73 a = gtk_adjustment_new (value: 0.0, lower: 0.0, upper: 0.0, step_increment: 0.0, page_increment: 0.0, page_size: 0.0);
74
75 g_signal_connect (a, "changed", G_CALLBACK (changed_cb), NULL);
76 g_signal_connect (a, "value-changed", G_CALLBACK (value_changed_cb), NULL);
77
78 changed_count = value_changed_count = 0;
79 gtk_adjustment_configure (adjustment: a, value: 0.0, lower: 0.0, upper: 100.0, step_increment: 1.0, page_increment: 5.0, page_size: 0.0);
80 g_assert_cmpint (changed_count, ==, 1);
81 g_assert_cmpint (value_changed_count, ==, 0);
82
83 changed_count = value_changed_count = 0;
84 gtk_adjustment_set_value (adjustment: a, value: 50.0);
85 gtk_adjustment_set_lower (adjustment: a, lower: 20.0);
86 gtk_adjustment_set_upper (adjustment: a, upper: 75.5);
87 gtk_adjustment_set_step_increment (adjustment: a, step_increment: 2.2);
88 gtk_adjustment_set_page_increment (adjustment: a, page_increment: 1.5);
89 gtk_adjustment_set_page_size (adjustment: a, page_size: 10.0);
90 g_assert_cmpint (changed_count, ==, 5);
91 g_assert_cmpint (value_changed_count, ==, 1);
92
93 g_object_unref (object: a);
94}
95
96static void
97test_clamp (void)
98{
99 GtkAdjustment *a;
100
101 a = gtk_adjustment_new (value: 2.0, lower: 0.0, upper: 100.0, step_increment: 1.0, page_increment: 5.0, page_size: 10.0);
102
103 gtk_adjustment_set_value (adjustment: a, value: -10.0);
104 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 0.0);
105
106 gtk_adjustment_set_value (adjustment: a, value: 200.0);
107 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 90.0);
108
109 gtk_adjustment_set_value (adjustment: a, value: 99.0);
110 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 90.0);
111
112 gtk_adjustment_configure (adjustment: a, value: 0.0, lower: 0.0, upper: 10.0, step_increment: 1.0, page_increment: 5.0, page_size: 20.0);
113
114 gtk_adjustment_set_value (adjustment: a, value: 5.0);
115 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 0.0);
116
117 g_object_unref (object: a);
118}
119
120static void
121test_clamp_page (void)
122{
123 GtkAdjustment *a;
124
125 a = gtk_adjustment_new (value: 20.0, lower: 0.0, upper: 100.0, step_increment: 1.0, page_increment: 5.0, page_size: 10.0);
126
127 gtk_adjustment_clamp_page (adjustment: a, lower: 50.0, upper: 55.0);
128 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 45.0);
129
130 gtk_adjustment_clamp_page (adjustment: a, lower: 52.0, upper: 58.0);
131 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 48.0);
132
133 gtk_adjustment_clamp_page (adjustment: a, lower: 48.0, upper: 50.0);
134 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 48.0);
135
136 gtk_adjustment_clamp_page (adjustment: a, lower: 30.0, upper: 50.0);
137 g_assert_cmpfloat (gtk_adjustment_get_value (a), ==, 30.0);
138
139 g_object_unref (object: a);
140}
141
142int
143main (int argc,
144 char *argv[])
145{
146 gtk_test_init (argcp: &argc, argvp: &argv);
147
148 g_test_add_func (testpath: "/adjustment/basic", test_func: test_basic);
149 g_test_add_func (testpath: "/adjustment/signals", test_func: test_signals);
150 g_test_add_func (testpath: "/adjustment/clamp", test_func: test_clamp);
151 g_test_add_func (testpath: "/adjustment/clamp_page", test_func: test_clamp_page);
152
153 return g_test_run();
154}
155

source code of gtk/testsuite/gtk/adjustment.c