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 2.1 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, see <http://www.gnu.org/licenses/>.
16 */
17
18 #undef G_LOG_DOMAIN
19 #define G_LOG_DOMAIN "TestDynamicType"
20
21 #undef G_DISABLE_ASSERT
22 #undef G_DISABLE_CHECKS
23 #undef G_DISABLE_CAST_CHECKS
24
25 #include <glib-object.h>
26
27 #include "testcommon.h"
28 #include "testmodule.h"
29
30 /* This test tests the macros for defining dynamic types.
31 */
32
33 static gboolean loaded = FALSE;
34
35 struct _TestIfaceClass
36 {
37 GTypeInterface base_iface;
38 guint val;
39 };
40
41 static GType test_iface_get_type (void);
42 #define TEST_TYPE_IFACE (test_iface_get_type ())
43 #define TEST_IFACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), TEST_TYPE_IFACE, TestIfaceClass))
44 typedef struct _TestIface TestIface;
45 typedef struct _TestIfaceClass TestIfaceClass;
46
47 static void test_iface_base_init (TestIfaceClass *iface);
48 static void test_iface_default_init (TestIfaceClass *iface, gpointer class_data);
49
DEFINE_IFACE(TestIface,test_iface,test_iface_base_init,test_iface_default_init)50 static DEFINE_IFACE(TestIface, test_iface, test_iface_base_init, test_iface_default_init)
51
52 static void
53 test_iface_default_init (TestIfaceClass *iface,
54 gpointer class_data)
55 {
56 }
57
58 static void
test_iface_base_init(TestIfaceClass * iface)59 test_iface_base_init (TestIfaceClass *iface)
60 {
61 }
62
63 GType dynamic_object_get_type (void);
64 #define DYNAMIC_OBJECT_TYPE (dynamic_object_get_type ())
65
66 typedef GObject DynamicObject;
67 typedef struct _DynamicObjectClass DynamicObjectClass;
68
69 struct _DynamicObjectClass
70 {
71 GObjectClass parent_class;
72 guint val;
73 };
74
75 static void dynamic_object_iface_init (TestIface *iface);
76
77 G_DEFINE_DYNAMIC_TYPE_EXTENDED(DynamicObject, dynamic_object, G_TYPE_OBJECT, 0,
78 G_IMPLEMENT_INTERFACE_DYNAMIC (TEST_TYPE_IFACE,
79 dynamic_object_iface_init));
80
81 static void
dynamic_object_class_init(DynamicObjectClass * class)82 dynamic_object_class_init (DynamicObjectClass *class)
83 {
84 class->val = 42;
85 loaded = TRUE;
86 }
87
88 static void
dynamic_object_class_finalize(DynamicObjectClass * class)89 dynamic_object_class_finalize (DynamicObjectClass *class)
90 {
91 loaded = FALSE;
92 }
93
94 static void
dynamic_object_iface_init(TestIface * iface)95 dynamic_object_iface_init (TestIface *iface)
96 {
97 }
98
99 static void
dynamic_object_init(DynamicObject * dynamic_object)100 dynamic_object_init (DynamicObject *dynamic_object)
101 {
102 }
103
104 static void
module_register(GTypeModule * module)105 module_register (GTypeModule *module)
106 {
107 dynamic_object_register_type (module);
108 }
109
110 static void
test_dynamic_type(void)111 test_dynamic_type (void)
112 {
113 DynamicObjectClass *class;
114
115 test_module_new (module_register);
116
117 /* Not loaded until we call ref for the first time */
118 class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
119 g_assert (class == NULL);
120 g_assert (!loaded);
121
122 /* Make sure interfaces work */
123 g_assert (g_type_is_a (DYNAMIC_OBJECT_TYPE,
124 TEST_TYPE_IFACE));
125
126 /* Ref loads */
127 class = g_type_class_ref (DYNAMIC_OBJECT_TYPE);
128 g_assert (class && class->val == 42);
129 g_assert (loaded);
130
131 /* Peek then works */
132 class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
133 g_assert (class && class->val == 42);
134 g_assert (loaded);
135
136 /* Make sure interfaces still work */
137 g_assert (g_type_is_a (DYNAMIC_OBJECT_TYPE,
138 TEST_TYPE_IFACE));
139
140 /* Unref causes finalize */
141 g_type_class_unref (class);
142
143 /* Peek returns NULL */
144 class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
145 #if 0
146 g_assert (!class);
147 g_assert (!loaded);
148 #endif
149
150 /* Ref reloads */
151 class = g_type_class_ref (DYNAMIC_OBJECT_TYPE);
152 g_assert (class && class->val == 42);
153 g_assert (loaded);
154
155 /* And Unref causes finalize once more*/
156 g_type_class_unref (class);
157 class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
158 #if 0
159 g_assert (!class);
160 g_assert (!loaded);
161 #endif
162 }
163
164 int
main(int argc,char * argv[])165 main (int argc,
166 char *argv[])
167 {
168 g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
169 G_LOG_LEVEL_WARNING |
170 G_LOG_LEVEL_CRITICAL);
171
172 test_dynamic_type ();
173
174 return 0;
175 }
176