tests: Convert unit tests to TAP
[urcu.git] / tests / unit / test_uatomic.c
CommitLineData
3282a76b
MD
1/*
2 * test_uatomic.c
3 *
4 * Userspace RCU library - test atomic operations
5 *
6 * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 */
22
a81b8e5e 23#include <stdio.h>
a2e7bf9c 24#include <urcu/uatomic.h>
a81b8e5e 25
1b387491
MJ
26#include "tap.h"
27
28#define NR_TESTS 17
29
a81b8e5e 30struct testvals {
95bc7fb9 31#ifdef UATOMIC_HAS_ATOMIC_BYTE
a81b8e5e 32 unsigned char c;
95bc7fb9
MD
33#endif
34#ifdef UATOMIC_HAS_ATOMIC_SHORT
a81b8e5e 35 unsigned short s;
95bc7fb9 36#endif
a81b8e5e
MD
37 unsigned int i;
38 unsigned long l;
39};
40
41static struct testvals vals;
42
87322fe8
MD
43#define do_test(ptr) \
44do { \
6edb297e 45 __typeof__(*(ptr)) v; \
87322fe8 46 \
ec4e58a3 47 uatomic_add(ptr, 10); \
1b387491
MJ
48 ok1(uatomic_read(ptr) == 10); \
49 \
50 uatomic_add(ptr, -11UL); \
51 ok1(uatomic_read(ptr) == (__typeof__(*(ptr)))-1UL); \
52 \
53 v = uatomic_cmpxchg(ptr, -1UL, 22); \
54 ok1(uatomic_read(ptr) == 22); \
55 ok1(v == (__typeof__(*(ptr)))-1UL); \
56 \
57 v = uatomic_cmpxchg(ptr, 33, 44); \
58 ok1(uatomic_read(ptr) == 22); \
59 ok1(v == 22); \
60 \
61 v = uatomic_xchg(ptr, 55); \
62 ok1(uatomic_read(ptr) == 55); \
63 ok1(v == 22); \
64 \
ec4e58a3
MD
65 uatomic_set(ptr, 22); \
66 uatomic_inc(ptr); \
1b387491
MJ
67 ok1(uatomic_read(ptr) == 23); \
68 \
ec4e58a3 69 uatomic_dec(ptr); \
1b387491
MJ
70 ok1(uatomic_read(ptr) == 22); \
71 \
985b35b1 72 v = uatomic_add_return(ptr, 74); \
1b387491
MJ
73 ok1(v == 96); \
74 ok1(uatomic_read(ptr) == 96); \
75 \
985b35b1 76 uatomic_or(ptr, 58); \
1b387491
MJ
77 ok1(uatomic_read(ptr) == 122); \
78 \
ec4e58a3 79 v = uatomic_sub_return(ptr, 1); \
1b387491
MJ
80 ok1(v == 121); \
81 \
e56d99bf 82 uatomic_sub(ptr, (unsigned int) 2); \
1b387491
MJ
83 ok1(uatomic_read(ptr) == 119); \
84 \
e56d99bf
MD
85 uatomic_inc(ptr); \
86 uatomic_inc(ptr); \
1b387491
MJ
87 ok1(uatomic_read(ptr) == 121); \
88 \
bf33aaea 89 uatomic_and(ptr, 129); \
1b387491
MJ
90 ok1(uatomic_read(ptr) == 1); \
91 \
87322fe8
MD
92} while (0)
93
94int main(int argc, char **argv)
a81b8e5e 95{
1b387491
MJ
96 int nr_run = 2;
97#ifdef UATOMIC_HAS_ATOMIC_BYTE
98 nr_run += 1;
99#endif
100#ifdef UATOMIC_HAS_ATOMIC_SHORT
101 nr_run += 1;
102#endif
103
104 plan_tests(nr_run * NR_TESTS);
f469d839 105#ifdef UATOMIC_HAS_ATOMIC_BYTE
1b387491 106 diag("Test atomic ops on byte");
87322fe8 107 do_test(&vals.c);
4d78cb54 108#endif
f469d839 109#ifdef UATOMIC_HAS_ATOMIC_SHORT
1b387491 110 diag("Test atomic ops on short");
87322fe8 111 do_test(&vals.s);
4d78cb54 112#endif
1b387491 113 diag("Test atomic ops on int");
87322fe8 114 do_test(&vals.i);
1b387491 115 diag("Test atomic ops on long");
87322fe8 116 do_test(&vals.l);
87322fe8 117
1b387491 118 return exit_status();
a81b8e5e 119}
This page took 0.050618 seconds and 4 git commands to generate.