1 #include <glib.h>
2 #include <glib-object.h>
3
4 #ifdef G_OS_UNIX
5 #include <unistd.h>
6 #endif
7
8 #define G_TYPE_TEST (my_test_get_type ())
9 #define MY_TEST(test) (G_TYPE_CHECK_INSTANCE_CAST ((test), G_TYPE_TEST, GTest))
10 #define MY_IS_TEST(test) (G_TYPE_CHECK_INSTANCE_TYPE ((test), G_TYPE_TEST))
11 #define MY_TEST_CLASS(tclass) (G_TYPE_CHECK_CLASS_CAST ((tclass), G_TYPE_TEST, GTestClass))
12 #define MY_IS_TEST_CLASS(tclass) (G_TYPE_CHECK_CLASS_TYPE ((tclass), G_TYPE_TEST))
13 #define MY_TEST_GET_CLASS(test) (G_TYPE_INSTANCE_GET_CLASS ((test), G_TYPE_TEST, GTestClass))
14
15 enum {
16 PROP_0,
17 PROP_DUMMY
18 };
19
20 typedef struct _GTest GTest;
21 typedef struct _GTestClass GTestClass;
22
23 struct _GTest
24 {
25 GObject object;
26 gint id;
27 gint dummy;
28
29 gint count;
30 };
31
32 struct _GTestClass
33 {
34 GObjectClass parent_class;
35 };
36
37 static GType my_test_get_type (void);
38 static gboolean stopping;
39
40 static void my_test_class_init (GTestClass * klass);
41 static void my_test_init (GTest * test);
42 static void my_test_dispose (GObject * object);
43 static void my_test_get_property (GObject *object,
44 guint prop_id,
45 GValue *value,
46 GParamSpec *pspec);
47 static void my_test_set_property (GObject *object,
48 guint prop_id,
49 const GValue *value,
50 GParamSpec *pspec);
51
52 static GObjectClass *parent_class = NULL;
53
54 static GType
55 my_test_get_type (void)
56 {
57 static GType test_type = 0;
58
59 if (!test_type) {
60 const GTypeInfo test_info = {
61 sizeof (GTestClass),
62 NULL,
63 NULL,
64 (GClassInitFunc) my_test_class_init,
65 NULL,
66 NULL,
67 sizeof (GTest),
68 0,
69 (GInstanceInitFunc) my_test_init,
70 NULL
71 };
72
73 test_type = g_type_register_static (G_TYPE_OBJECT, "GTest", &test_info, 0);
74 }
75 return test_type;
76 }
77
78 static void
79 my_test_class_init (GTestClass * klass)
80 {
81 GObjectClass *gobject_class;
82
83 gobject_class = (GObjectClass *) klass;
84
85 parent_class = g_type_class_ref (G_TYPE_OBJECT);
86
87 gobject_class->dispose = my_test_dispose;
88 gobject_class->get_property = my_test_get_property;
89 gobject_class->set_property = my_test_set_property;
90
91 g_object_class_install_property (gobject_class,
92 PROP_DUMMY,
93 g_param_spec_int ("dummy",
94 NULL,
95 NULL,
96 0, G_MAXINT, 0,
97 G_PARAM_READWRITE));
98 }
99
100 static void
101 my_test_init (GTest * test)
102 {
103 static guint static_id = 1;
104 test->id = static_id++;
105 }
106
107 static void
108 my_test_dispose (GObject * object)
109 {
110 G_OBJECT_CLASS (parent_class)->dispose (object);
111 }
112
113 static void
114 my_test_get_property (GObject *object,
115 guint prop_id,
116 GValue *value,
117 GParamSpec *pspec)
118 {
119 GTest *test;
120
121 test = MY_TEST (object);
122
123 switch (prop_id)
124 {
125 case PROP_DUMMY:
126 g_value_set_int (value, test->dummy);
127 break;
128 default:
129 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
130 break;
131 }
132 }
133
134 static void
135 my_test_set_property (GObject *object,
136 guint prop_id,
137 const GValue *value,
138 GParamSpec *pspec)
139 {
140 GTest *test;
141
142 test = MY_TEST (object);
143
144 switch (prop_id)
145 {
146 case PROP_DUMMY:
147 test->dummy = g_value_get_int (value);
148 break;
149 default:
150 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
151 break;
152 }
153 }
154
155 static void
156 dummy_notify (GObject *object,
157 GParamSpec *pspec)
158 {
159 GTest *test;
160
161 test = MY_TEST (object);
162
163 test->count++;
164 }
165
166 static void
167 my_test_do_property (GTest * test)
168 {
169 gint dummy;
170
171 g_object_get (test, "dummy", &dummy, NULL);
172 g_object_set (test, "dummy", dummy + 1, NULL);
173 }
174
175 static gpointer
176 run_thread (GTest * test)
177 {
178 gint i = 1;
179
180 while (!g_atomic_int_get (&stopping)) {
181 my_test_do_property (test);
182 if ((i++ % 10000) == 0)
183 {
184 g_test_message (".%c", 'a' + test->id);
185 g_thread_yield(); /* force context switch */
186 }
187 }
188
189 return NULL;
190 }
191
192 static void
193 test_refcount_properties_1 (void)
194 {
195 #define N_THREADS 5
196 GThread *test_threads[N_THREADS];
197 GTest *test_objects[N_THREADS];
198 gint i;
199
200 for (i = 0; i < N_THREADS; i++) {
201 GTest *test;
202
203 test = g_object_new (G_TYPE_TEST, NULL);
204 test_objects[i] = test;
205
206 g_assert_cmpint (test->count, ==, test->dummy);
207 g_signal_connect (test, "notify::dummy", G_CALLBACK (dummy_notify), NULL);
208 }
209
210 g_atomic_int_set (&stopping, FALSE);
211
212 for (i = 0; i < N_THREADS; i++)
213 test_threads[i] = g_thread_new (NULL, (GThreadFunc) run_thread, test_objects[i]);
214
215 g_usleep (3000000);
216
217 g_atomic_int_set (&stopping, TRUE);
218
219 /* join all threads */
220 for (i = 0; i < N_THREADS; i++)
221 g_thread_join (test_threads[i]);
222
223 for (i = 0; i < N_THREADS; i++) {
224 GTest *test = test_objects[i];
225
226 g_assert_cmpint (test->count, ==, test->dummy);
227 g_object_unref (test);
228 }
229 }
230
231 int
232 main (int argc, gchar *argv[])
233 {
234 g_log_set_always_fatal (G_LOG_LEVEL_WARNING |
235 G_LOG_LEVEL_CRITICAL |
236 g_log_set_always_fatal (G_LOG_FATAL_MASK));
237
238 g_test_init (&argc, &argv, NULL);
239
240 g_test_add_func ("/gobject/refcount/properties-1", test_refcount_properties_1);
241
242 return g_test_run ();
243 }