tests/lib/libc/stdlib/t_div.c

   1 /*      $NetBSD: t_div.c,v 1.2 2011/07/07 11:12:18 jruoho Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <atf-c.h>
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33
  34 #define NUM     1999236
  35 #define DENOM   1000000
  36 #define QUOT    1
  37 #define REM     999236
  38
  39 ATF_TC(div_basic);
  40 ATF_TC_HEAD(div_basic, tc)
  41 {
  42
  43         atf_tc_set_md_var(tc, "descr", "Test div(3) for correctness");
  44 }
  45
  46 ATF_TC_BODY(div_basic, tc)
  47 {
  48         div_t d;
  49
  50         d = div(NUM, DENOM);
  51
  52         ATF_CHECK(d.quot == QUOT);
  53         ATF_CHECK(d.rem  == REM);
  54 }
  55
  56 ATF_TC(ldiv_basic);
  57 ATF_TC_HEAD(ldiv_basic, tc)
  58 {
  59
  60         atf_tc_set_md_var(tc, "descr", "Test ldiv(3) for correctness");
  61 }
  62
  63 ATF_TC_BODY(ldiv_basic, tc)
  64 {
  65         ldiv_t ld;
  66
  67         ld = ldiv(NUM, DENOM);
  68
  69         ATF_CHECK(ld.quot == QUOT);
  70         ATF_CHECK(ld.rem  == REM);
  71 }
  72
  73 ATF_TC(lldiv_basic);
  74 ATF_TC_HEAD(lldiv_basic, tc)
  75 {
  76
  77         atf_tc_set_md_var(tc, "descr", "Test lllldiv(3) for correctness");
  78 }
  79
  80 ATF_TC_BODY(lldiv_basic, tc)
  81 {
  82         lldiv_t lld;
  83
  84         lld = lldiv(NUM, DENOM);
  85
  86         ATF_CHECK(lld.quot == QUOT);
  87         ATF_CHECK(lld.rem  == REM);
  88 }
  89
  90 ATF_TP_ADD_TCS(tp)
  91 {
  92
  93         ATF_TP_ADD_TC(tp, div_basic);
  94         ATF_TP_ADD_TC(tp, ldiv_basic);
  95         ATF_TP_ADD_TC(tp, lldiv_basic);
  96
  97         return atf_no_error();
  98 }