rculfhash: introduce REMOVED_FLAG and FLAG_MASK
[urcu.git] / tests / test_uatomic.c
... / ...
CommitLineData
1#include <stdio.h>
2#include <assert.h>
3#include <urcu/uatomic.h>
4
5struct testvals {
6 unsigned char c;
7 unsigned short s;
8 unsigned int i;
9 unsigned long l;
10};
11
12static struct testvals vals;
13
14#define do_test(ptr) \
15do { \
16 __typeof__(*(ptr)) v; \
17 \
18 uatomic_add(ptr, 10); \
19 assert(uatomic_read(ptr) == 10); \
20 uatomic_add(ptr, -11UL); \
21 assert(uatomic_read(ptr) == (__typeof__(*(ptr)))-1UL); \
22 v = uatomic_cmpxchg(ptr, -1UL, 22); \
23 assert(uatomic_read(ptr) == 22); \
24 assert(v == (__typeof__(*(ptr)))-1UL); \
25 v = uatomic_cmpxchg(ptr, 33, 44); \
26 assert(uatomic_read(ptr) == 22); \
27 assert(v == 22); \
28 v = uatomic_xchg(ptr, 55); \
29 assert(uatomic_read(ptr) == 55); \
30 assert(v == 22); \
31 uatomic_set(ptr, 22); \
32 uatomic_inc(ptr); \
33 assert(uatomic_read(ptr) == 23); \
34 uatomic_dec(ptr); \
35 assert(uatomic_read(ptr) == 22); \
36 v = uatomic_add_return(ptr, 74); \
37 assert(v == 96); \
38 assert(uatomic_read(ptr) == 96); \
39 uatomic_or(ptr, 58); \
40 assert(uatomic_read(ptr) == 122); \
41 v = uatomic_sub_return(ptr, 1); \
42 assert(v == 121); \
43 assert(uatomic_read(ptr) == 121); \
44 uatomic_and(ptr, 129); \
45 assert(uatomic_read(ptr) == 1); \
46} while (0)
47
48int main(int argc, char **argv)
49{
50#ifdef UATOMIC_HAS_ATOMIC_BYTE
51 do_test(&vals.c);
52#endif
53#ifdef UATOMIC_HAS_ATOMIC_SHORT
54 do_test(&vals.s);
55#endif
56 do_test(&vals.i);
57 do_test(&vals.l);
58 printf("Atomic ops test OK\n");
59
60 return 0;
61}
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