1 /* GObject - GLib Type, Object, Parameter and Signal Library
2 * Copyright (C) 2001, 2003 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
15 * Public License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 #undef G_LOG_DOMAIN
21 #define G_LOG_DOMAIN "TestDefaultIface"
22
23 #undef G_DISABLE_ASSERT
24 #undef G_DISABLE_CHECKS
25 #undef G_DISABLE_CAST_CHECKS
26
27 #include <glib-object.h>
28
29 #include "testcommon.h"
30 #include "testmodule.h"
31
32 /* This test tests getting the default vtable for an interface
33 * and the initialization and finalization of such default
34 * interfaces.
35 *
36 * We test this both for static and for dynamic interfaces.
37 */
38
39 /**********************************************************************
40 * Static interface tests
41 **********************************************************************/
42
43 typedef struct _TestStaticIfaceClass TestStaticIfaceClass;
44
45 struct _TestStaticIfaceClass
46 {
47 GTypeInterface base_iface;
48 guint val;
49 };
50
51 #define TEST_TYPE_STATIC_IFACE (test_static_iface_get_type ())
52
53 static void
test_static_iface_default_init(TestStaticIfaceClass * iface)54 test_static_iface_default_init (TestStaticIfaceClass *iface)
55 {
56 iface->val = 42;
57 }
58
DEFINE_IFACE(TestStaticIface,test_static_iface,NULL,test_static_iface_default_init)59 DEFINE_IFACE (TestStaticIface, test_static_iface,
60 NULL, test_static_iface_default_init)
61
62 static void
63 test_static_iface (void)
64 {
65 TestStaticIfaceClass *static_iface;
66
67 /* Not loaded until we call ref for the first time */
68 static_iface = g_type_default_interface_peek (TEST_TYPE_STATIC_IFACE);
69 g_assert (static_iface == NULL);
70
71 /* Ref loads */
72 static_iface = g_type_default_interface_ref (TEST_TYPE_STATIC_IFACE);
73 g_assert (static_iface && static_iface->val == 42);
74
75 /* Peek then works */
76 static_iface = g_type_default_interface_peek (TEST_TYPE_STATIC_IFACE);
77 g_assert (static_iface && static_iface->val == 42);
78
79 /* Unref does nothing */
80 g_type_default_interface_unref (static_iface);
81
82 /* And peek still works */
83 static_iface = g_type_default_interface_peek (TEST_TYPE_STATIC_IFACE);
84 g_assert (static_iface && static_iface->val == 42);
85 }
86
87 /**********************************************************************
88 * Dynamic interface tests
89 **********************************************************************/
90
91 typedef struct _TestDynamicIfaceClass TestDynamicIfaceClass;
92
93 struct _TestDynamicIfaceClass
94 {
95 GTypeInterface base_iface;
96 guint val;
97 };
98
99 static GType test_dynamic_iface_type;
100 static gboolean dynamic_iface_init = FALSE;
101
102 #define TEST_TYPE_DYNAMIC_IFACE (test_dynamic_iface_type)
103
104 static void
test_dynamic_iface_default_init(TestStaticIfaceClass * iface)105 test_dynamic_iface_default_init (TestStaticIfaceClass *iface)
106 {
107 dynamic_iface_init = TRUE;
108 iface->val = 42;
109 }
110
111 static void
test_dynamic_iface_default_finalize(TestStaticIfaceClass * iface)112 test_dynamic_iface_default_finalize (TestStaticIfaceClass *iface)
113 {
114 dynamic_iface_init = FALSE;
115 }
116
117 static void
test_dynamic_iface_register(GTypeModule * module)118 test_dynamic_iface_register (GTypeModule *module)
119 {
120 static const GTypeInfo iface_info =
121 {
122 sizeof (TestDynamicIfaceClass),
123 (GBaseInitFunc) NULL,
124 (GBaseFinalizeFunc) NULL,
125 (GClassInitFunc) test_dynamic_iface_default_init,
126 (GClassFinalizeFunc) test_dynamic_iface_default_finalize
127 };
128
129 test_dynamic_iface_type = g_type_module_register_type (module, G_TYPE_INTERFACE,
130 "TestDynamicIface", &iface_info, 0);
131 }
132
133 static void
module_register(GTypeModule * module)134 module_register (GTypeModule *module)
135 {
136 test_dynamic_iface_register (module);
137 }
138
139 static void
test_dynamic_iface(void)140 test_dynamic_iface (void)
141 {
142 GTypeModule *module;
143 TestDynamicIfaceClass *dynamic_iface;
144
145 module = test_module_new (module_register);
146
147 /* Not loaded until we call ref for the first time */
148 dynamic_iface = g_type_default_interface_peek (TEST_TYPE_DYNAMIC_IFACE);
149 g_assert (dynamic_iface == NULL);
150
151 /* Ref loads */
152 dynamic_iface = g_type_default_interface_ref (TEST_TYPE_DYNAMIC_IFACE);
153 g_assert (dynamic_iface_init);
154 g_assert (dynamic_iface && dynamic_iface->val == 42);
155
156 /* Peek then works */
157 dynamic_iface = g_type_default_interface_peek (TEST_TYPE_DYNAMIC_IFACE);
158 g_assert (dynamic_iface && dynamic_iface->val == 42);
159
160 /* Unref causes finalize */
161 g_type_default_interface_unref (dynamic_iface);
162 g_assert (!dynamic_iface_init);
163
164 /* Peek returns NULL */
165 dynamic_iface = g_type_default_interface_peek (TEST_TYPE_DYNAMIC_IFACE);
166 g_assert (dynamic_iface == NULL);
167
168 /* Ref reloads */
169 dynamic_iface = g_type_default_interface_ref (TEST_TYPE_DYNAMIC_IFACE);
170 g_assert (dynamic_iface_init);
171 g_assert (dynamic_iface && dynamic_iface->val == 42);
172
173 /* And Unref causes finalize once more*/
174 g_type_default_interface_unref (dynamic_iface);
175 g_assert (!dynamic_iface_init);
176 }
177
178 int
main(int argc,char * argv[])179 main (int argc,
180 char *argv[])
181 {
182 g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
183 G_LOG_LEVEL_WARNING |
184 G_LOG_LEVEL_CRITICAL);
185 g_type_init ();
186
187 test_static_iface ();
188 test_dynamic_iface ();
189
190 return 0;
191 }
192