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      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 
     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