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      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) \
     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 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 
     62 atf_dec(atomic_dec_32,    uint32_t,      "0x%" PRIx32);
     63 atf_dec(atomic_dec_uint,  unsigned int,  "0x%x");
     64 atf_dec(atomic_dec_ulong, unsigned long, "0x%lx");
     65 atf_dec(atomic_dec_ptr,   void *,        "%p");
     66 #if defined(__HAVE_ATOMIC64_OPS)
     67 atf_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) \
     74 ATF_TC(NAME); \
     75 ATF_TC_HEAD(NAME, tc) \
     76 { \
     77 	atf_tc_set_md_var(tc, "descr", #NAME); \
     78 } \
     79 ATF_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 
     93 atf_dec_nv(atomic_dec_32_nv,    uint32_t,      "0x%" PRIx32);
     94 atf_dec_nv(atomic_dec_uint_nv,  unsigned int,  "0x%x");
     95 atf_dec_nv(atomic_dec_ulong_nv, unsigned long, "0x%lx");
     96 atf_dec_nv(atomic_dec_ptr_nv,   void *,        "%p");
     97 #if defined(__HAVE_ATOMIC64_OPS)
     98 atf_dec_nv(atomic_dec_64_nv,    uint64_t,      "0x%" PRIx64);
     99 #endif
    100 
    101 ATF_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