1 #undef G_DISABLE_ASSERT
2 #undef G_LOG_DOMAIN
3
4 #include <glib.h>
5
6 /* Obviously we can't test that the operations are atomic, but we can
7 * at least test, that they do, what they ought to do */
8
9 int
main(int argc,char * argv[])10 main (int argc,
11 char *argv[])
12 {
13 gint i;
14 gint atomic = -5;
15 gpointer atomic_pointer = NULL;
16 gpointer biggest_pointer = (gpointer)((gsize)atomic_pointer - 1);
17
18 for (i = 0; i < 15; i++)
19 g_atomic_int_inc (&atomic);
20 g_assert (atomic == 10);
21 for (i = 0; i < 9; i++)
22 g_assert (!g_atomic_int_dec_and_test (&atomic));
23 g_assert (g_atomic_int_dec_and_test (&atomic));
24 g_assert (atomic == 0);
25
26 g_assert (g_atomic_int_exchange_and_add (&atomic, 5) == 0);
27 g_assert (atomic == 5);
28
29 g_assert (g_atomic_int_exchange_and_add (&atomic, -10) == 5);
30 g_assert (atomic == -5);
31
32 g_atomic_int_add (&atomic, 20);
33 g_assert (atomic == 15);
34
35 g_atomic_int_add (&atomic, -35);
36 g_assert (atomic == -20);
37
38 g_assert (atomic == g_atomic_int_get (&atomic));
39
40 g_assert (g_atomic_int_compare_and_exchange (&atomic, -20, 20));
41 g_assert (atomic == 20);
42
43 g_assert (!g_atomic_int_compare_and_exchange (&atomic, 42, 12));
44 g_assert (atomic == 20);
45
46 g_assert (g_atomic_int_compare_and_exchange (&atomic, 20, G_MAXINT));
47 g_assert (atomic == G_MAXINT);
48
49 g_assert (g_atomic_int_compare_and_exchange (&atomic, G_MAXINT, G_MININT));
50 g_assert (atomic == G_MININT);
51
52 g_assert (g_atomic_pointer_compare_and_exchange (&atomic_pointer,
53 NULL, biggest_pointer));
54 g_assert (atomic_pointer == biggest_pointer);
55
56 g_assert (atomic_pointer == g_atomic_pointer_get (&atomic_pointer));
57
58 g_assert (g_atomic_pointer_compare_and_exchange (&atomic_pointer,
59 biggest_pointer, NULL));
60 g_assert (atomic_pointer == NULL);
61
62 return 0;
63 }
64