1 /* $NetBSD: t_atomic_swap.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_swap.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_swap_*()
44 */
45 #define atf_swap(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 newval; \
55 TYPE expval; \
56 TYPE expres; \
57 TYPE res; \
58 val = (TYPE)OLDVAL; \
59 newval = (TYPE)NEWVAL; \
60 expval = (TYPE)NEWVAL; \
61 expres = (TYPE)OLDVAL; \
62 res = NAME(&val, newval); \
63 ATF_REQUIRE_MSG(val == expval, \
64 "val expects " FMT " but " FMT, expval, val); \
65 ATF_REQUIRE_MSG(res == expres, \
66 "res expects " FMT " but " FMT, expres, res); \
67 }
68
69 atf_swap(atomic_swap_32, uint32_t, "0x%" PRIx32);
70 atf_swap(atomic_swap_uint, unsigned int, "0x%x");
71 atf_swap(atomic_swap_ulong, unsigned long, "0x%lx");
72 atf_swap(atomic_swap_ptr, void *, "%p");
73 #if defined(__HAVE_ATOMIC64_OPS)
74 atf_swap(atomic_swap_64, uint64_t, "0x%" PRIx64);
75 #endif
76
ATF_TP_ADD_TCS(tp)77 ATF_TP_ADD_TCS(tp)
78 {
79 ATF_TP_ADD_TC(tp, atomic_swap_32);
80 ATF_TP_ADD_TC(tp, atomic_swap_uint);
81 ATF_TP_ADD_TC(tp, atomic_swap_ulong);
82 ATF_TP_ADD_TC(tp, atomic_swap_ptr);
83 #if defined(__HAVE_ATOMIC64_OPS)
84 ATF_TP_ADD_TC(tp, atomic_swap_64);
85 #endif
86
87 return atf_no_error();
88 }
89