1/*	$NetBSD: t_atomic_dec.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_dec.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 VAL    (0x1122334455667788UL)
40#define EXPECT (0x1122334455667787UL)
41
42/*
43 * atomic_dec_*()
44 */
45#define atf_dec(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 exp; \
55	val = (TYPE)VAL; \
56	exp = (TYPE)EXPECT; \
57	NAME(&val); \
58	ATF_REQUIRE_MSG(val == exp, \
59	    "val expects " FMT " but " FMT, exp, val); \
60}
61
62atf_dec(atomic_dec_32,    uint32_t,      "0x%" PRIx32);
63atf_dec(atomic_dec_uint,  unsigned int,  "0x%x");
64atf_dec(atomic_dec_ulong, unsigned long, "0x%lx");
65atf_dec(atomic_dec_ptr,   void *,        "%p");
66#if defined(__HAVE_ATOMIC64_OPS)
67atf_dec(atomic_dec_64,    uint64_t,      "0x%" PRIx64);
68#endif
69
70/*
71 * atomic_dec_*_nv()
72 */
73#define atf_dec_nv(NAME, TYPE, FMT) \
74ATF_TC(NAME); \
75ATF_TC_HEAD(NAME, tc) \
76{ \
77	atf_tc_set_md_var(tc, "descr", #NAME); \
78} \
79ATF_TC_BODY(NAME, tc) \
80{ \
81	volatile TYPE val; \
82	TYPE res; \
83	TYPE exp; \
84	val = (TYPE)VAL; \
85	exp = (TYPE)EXPECT; \
86	res = NAME(&val); \
87	ATF_REQUIRE_MSG(val == exp, \
88	    "val expects " FMT " but " FMT, exp, val); \
89	ATF_REQUIRE_MSG(res == exp, \
90	    "res expects " FMT " but " FMT, exp, res); \
91}
92
93atf_dec_nv(atomic_dec_32_nv,    uint32_t,      "0x%" PRIx32);
94atf_dec_nv(atomic_dec_uint_nv,  unsigned int,  "0x%x");
95atf_dec_nv(atomic_dec_ulong_nv, unsigned long, "0x%lx");
96atf_dec_nv(atomic_dec_ptr_nv,   void *,        "%p");
97#if defined(__HAVE_ATOMIC64_OPS)
98atf_dec_nv(atomic_dec_64_nv,    uint64_t,      "0x%" PRIx64);
99#endif
100
101ATF_TP_ADD_TCS(tp)
102{
103	ATF_TP_ADD_TC(tp, atomic_dec_32);
104	ATF_TP_ADD_TC(tp, atomic_dec_uint);
105	ATF_TP_ADD_TC(tp, atomic_dec_ulong);
106	ATF_TP_ADD_TC(tp, atomic_dec_ptr);
107#if defined(__HAVE_ATOMIC64_OPS)
108	ATF_TP_ADD_TC(tp, atomic_dec_64);
109#endif
110
111	ATF_TP_ADD_TC(tp, atomic_dec_32_nv);
112	ATF_TP_ADD_TC(tp, atomic_dec_uint_nv);
113	ATF_TP_ADD_TC(tp, atomic_dec_ulong_nv);
114	ATF_TP_ADD_TC(tp, atomic_dec_ptr_nv);
115#if defined(__HAVE_ATOMIC64_OPS)
116	ATF_TP_ADD_TC(tp, atomic_dec_64_nv);
117#endif
118
119	return atf_no_error();
120}
121