tests/include/sys/t_types.c

   1 /*      $NetBSD: t_types.c,v 1.4 2012/03/18 07:14:08 jruoho Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jukka Ruohonen.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31 #include <sys/cdefs.h>
  32 __RCSID("$NetBSD: t_types.c,v 1.4 2012/03/18 07:14:08 jruoho Exp $");
  33
  34 #include <sys/types.h>
  35
  36 #include <atf-c.h>
  37 #include <limits.h>
  38 #include <stdint.h>
  39
  40 #include <stdio.h>
  41
  42 ATF_TC(types_limits);
  43 ATF_TC_HEAD(types_limits, tc)
  44 {
  45         atf_tc_set_md_var(tc, "descr", "Known limits for types(3)");
  46 }
  47
  48 ATF_TC_BODY(types_limits, tc)
  49 {
  50         useconds_t usec;
  51         ssize_t size;
  52
  53         /*
  54          * IEEE Std 1003.1-2008:
  55          *
  56          * "The type ssize_t shall be capable of storing
  57          *  values at least in the range [-1, {SSIZE_MAX}]."
  58          *
  59          */
  60         size = SSIZE_MAX;
  61         ATF_REQUIRE(size > 0);
  62
  63         size = size + 1;
  64         ATF_REQUIRE(size < 0);
  65
  66         /*
  67          * IEEE Std 1003.1-2008:
  68          *
  69          * "The type suseconds_t shall be a signed integer type capable
  70          *  of storing values at least in the range [-1, 1000000]."
  71          */
  72         usec = 1000000;
  73         ATF_REQUIRE(usec > 0);
  74 }
  75
  76 ATF_TC(types_signed);
  77 ATF_TC_HEAD(types_signed, tc)
  78 {
  79         atf_tc_set_md_var(tc, "descr", "Signed types(3)"
  80             " (PR standards/44847)");
  81 }
  82
  83 ATF_TC_BODY(types_signed, tc)
  84 {
  85         blkcnt_t bc;
  86         blksize_t bs;
  87         ssize_t size;
  88         off_t off;
  89         pid_t pid;
  90
  91         /*
  92          * As noted in types(3), the following
  93          * types should be signed integers.
  94          */
  95         bc = 0;
  96         bs = 0;
  97         off = 0;
  98         pid = 0;
  99         size = 0;
 100
 101         ATF_CHECK((bc - 1) <= 0);
 102         ATF_CHECK((bs - 1) <= 0);
 103         ATF_CHECK((off - 1) <= 0);
 104         ATF_CHECK((pid - 1) <= 0);
 105         ATF_CHECK((size - 1) <= 0);
 106 }
 107
 108 ATF_TC(types_unsigned);
 109 ATF_TC_HEAD(types_unsigned, tc)
 110 {
 111         atf_tc_set_md_var(tc, "descr", "Unsigned types(3)"
 112                 " (PR standards/18067)");
 113 }
 114
 115 ATF_TC_BODY(types_unsigned, tc)
 116 {
 117         fsblkcnt_t fb;
 118         fsfilcnt_t ff;
 119         size_t size;
 120         rlim_t lim;
 121         ino_t ino;
 122
 123         fb = 0;
 124         ff = 0;
 125         ino = 0;
 126         lim = 0;
 127         size = 0;
 128
 129         ATF_CHECK((fb - 1) > 0);
 130         ATF_CHECK((ff - 1) > 0);
 131         ATF_CHECK((ino - 1) > 0);
 132         ATF_CHECK((lim - 1) > 0);
 133         ATF_CHECK((size - 1) > 0);
 134 }
 135
 136 ATF_TP_ADD_TCS(tp)
 137 {
 138
 139         ATF_TP_ADD_TC(tp, types_limits);
 140         ATF_TP_ADD_TC(tp, types_signed);
 141         ATF_TP_ADD_TC(tp, types_unsigned);
 142
 143         return atf_no_error();
 144 }