1 /* $NetBSD: t_atomic_cas.c,v 1.1 2019/02/17 12:24:17 isaki Exp $ */
2
3 /*
4 * Copyright (C) 2019 Tetsuya Isaki. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __RCSID("$NetBSD: t_atomic_cas.c,v 1.1 2019/02/17 12:24:17 isaki Exp $");
30
31 #include <atf-c.h>
32 #include <inttypes.h>
33 #include <sys/atomic.h>
34
35 /*
36 * These tests don't examine the atomicity.
37 */
38
39 #define OLDVAL (0x1122334455667788UL)
40 #define NEWVAL (0x8090a0b0c0d0e0f0UL)
41
42 /*
43 * atomic_cas_*{,_ni}()
44 */
45 #define atf_cas(NAME, TYPE, FMT) \
46 ATF_TC(NAME); \
47 ATF_TC_HEAD(NAME, tc) \
48 { \
49 atf_tc_set_md_var(tc, "descr", #NAME); \
50 } \
51 ATF_TC_BODY(NAME, tc) \
52 { \
53 volatile TYPE val; \
54 TYPE oldval; \
55 TYPE newval; \
56 TYPE expval; \
57 TYPE expres; \
58 TYPE res; \
59 /* If successful */ \
60 val = (TYPE)OLDVAL; \
61 oldval = (TYPE)OLDVAL; \
62 newval = (TYPE)NEWVAL; \
63 expval = (TYPE)NEWVAL; \
64 expres = (TYPE)OLDVAL; \
65 res = NAME(&val, oldval, newval); \
66 ATF_REQUIRE_MSG(val == expval, \
67 "successful case: val expects " FMT " but " FMT, expval, val); \
68 ATF_REQUIRE_MSG(res == expres, \
69 "successful case: res expects " FMT " but " FMT, expres, res); \
70 /* If failure */ \
71 val = (TYPE)OLDVAL; \
72 oldval = (TYPE)(OLDVAL + 1); \
73 newval = (TYPE)NEWVAL; \
74 expval = (TYPE)OLDVAL; \
75 expres = (TYPE)OLDVAL; \
76 res = NAME(&val, oldval, newval); \
77 ATF_REQUIRE_MSG(val == expval, \
78 "failure case: val expects " FMT " but " FMT, expval, val); \
79 ATF_REQUIRE_MSG(res == expres, \
80 "failure case: res expects " FMT " but " FMT, expres, res); \
81 }
82
83 atf_cas(atomic_cas_32, uint32_t, "0x%" PRIx32);
84 atf_cas(atomic_cas_uint, unsigned int, "0x%x");
85 atf_cas(atomic_cas_ulong, unsigned long, "0x%lx");
86 atf_cas(atomic_cas_ptr, void *, "%p");
87 #if defined(__HAVE_ATOMIC64_OPS)
88 atf_cas(atomic_cas_64, uint64_t, "0x%" PRIx64);
89 #endif
90
91 atf_cas(atomic_cas_32_ni, uint32_t, "0x%" PRIx32);
92 atf_cas(atomic_cas_uint_ni, unsigned int, "0x%x");
93 atf_cas(atomic_cas_ulong_ni, unsigned long, "0x%lx");
94 atf_cas(atomic_cas_ptr_ni, void *, "%p");
95 #if defined(__HAVE_ATOMIC64_OPS)
96 atf_cas(atomic_cas_64_ni, uint64_t, "0x%" PRIx64);
97 #endif
98
ATF_TP_ADD_TCS(tp)99 ATF_TP_ADD_TCS(tp)
100 {
101 ATF_TP_ADD_TC(tp, atomic_cas_32);
102 ATF_TP_ADD_TC(tp, atomic_cas_uint);
103 ATF_TP_ADD_TC(tp, atomic_cas_ulong);
104 ATF_TP_ADD_TC(tp, atomic_cas_ptr);
105 #if defined(__HAVE_ATOMIC64_OPS)
106 ATF_TP_ADD_TC(tp, atomic_cas_64);
107 #endif
108
109 ATF_TP_ADD_TC(tp, atomic_cas_32_ni);
110 ATF_TP_ADD_TC(tp, atomic_cas_uint_ni);
111 ATF_TP_ADD_TC(tp, atomic_cas_ulong_ni);
112 ATF_TP_ADD_TC(tp, atomic_cas_ptr_ni);
113 #if defined(__HAVE_ATOMIC64_OPS)
114 ATF_TP_ADD_TC(tp, atomic_cas_64_ni);
115 #endif
116
117 return atf_no_error();
118 }
119