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) \
46ATF_TC(NAME); \
47ATF_TC_HEAD(NAME, tc) \
48{ \
49	atf_tc_set_md_var(tc, "descr", #NAME); \
50} \
51ATF_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
83atf_cas(atomic_cas_32,       uint32_t,      "0x%" PRIx32);
84atf_cas(atomic_cas_uint,     unsigned int,  "0x%x");
85atf_cas(atomic_cas_ulong,    unsigned long, "0x%lx");
86atf_cas(atomic_cas_ptr,      void *,        "%p");
87#if defined(__HAVE_ATOMIC64_OPS)
88atf_cas(atomic_cas_64,       uint64_t,      "0x%" PRIx64);
89#endif
90
91atf_cas(atomic_cas_32_ni,    uint32_t,      "0x%" PRIx32);
92atf_cas(atomic_cas_uint_ni,  unsigned int,  "0x%x");
93atf_cas(atomic_cas_ulong_ni, unsigned long, "0x%lx");
94atf_cas(atomic_cas_ptr_ni,   void *,        "%p");
95#if defined(__HAVE_ATOMIC64_OPS)
96atf_cas(atomic_cas_64_ni,    uint64_t,      "0x%" PRIx64);
97#endif
98
99ATF_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