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) \
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 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
69atf_swap(atomic_swap_32,    uint32_t,      "0x%" PRIx32);
70atf_swap(atomic_swap_uint,  unsigned int,  "0x%x");
71atf_swap(atomic_swap_ulong, unsigned long, "0x%lx");
72atf_swap(atomic_swap_ptr,   void *,        "%p");
73#if defined(__HAVE_ATOMIC64_OPS)
74atf_swap(atomic_swap_64,    uint64_t,      "0x%" PRIx64);
75#endif
76
77ATF_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