tests/lib/libc/stdio/t_fputc.c

   1 /*      $NetBSD: t_fputc.c,v 1.1 2011/09/11 09:02:46 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_fputc.c,v 1.1 2011/09/11 09:02:46 jruoho Exp $");
  33
  34 #include <atf-c.h>
  35 #include <errno.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <unistd.h>
  39
  40 static const char       *path = "fputc";
  41 static void              puterr(int (*)(int, FILE *));
  42 static void              putstr(int (*)(int, FILE *));
  43
  44 static void
  45 puterr(int (*func)(int, FILE *))
  46 {
  47         FILE *f;
  48
  49         f = fopen(path, "w+");
  50
  51         ATF_REQUIRE(f != NULL);
  52         ATF_REQUIRE(fclose(f) == 0);
  53         ATF_REQUIRE(unlink(path) == 0);
  54         ATF_REQUIRE(func('x', f) == EOF);
  55 }
  56
  57 static void
  58 putstr(int (*func)(int, FILE *))
  59 {
  60         const char *str = "1234567890x";
  61         unsigned short i = 0;
  62         char buf[10];
  63         FILE *f;
  64
  65         (void)memset(buf, 'x', sizeof(buf));
  66
  67         f = fopen(path, "w+");
  68         ATF_REQUIRE(f != NULL);
  69
  70         while (str[i] != 'x') {
  71                 ATF_REQUIRE(func(str[i], f) == str[i]);
  72                 i++;
  73         }
  74
  75         ATF_REQUIRE(fclose(f) == 0);
  76
  77         f = fopen(path, "r");
  78         ATF_REQUIRE(f != NULL);
  79
  80         ATF_REQUIRE(fread(buf, 1, 10, f) == 10);
  81         ATF_REQUIRE(strncmp(buf, str, 10) == 0);
  82
  83         ATF_REQUIRE(fclose(f) == 0);
  84         ATF_REQUIRE(unlink(path) == 0);
  85 }
  86
  87 ATF_TC_WITH_CLEANUP(fputc_basic);
  88 ATF_TC_HEAD(fputc_basic, tc)
  89 {
  90         atf_tc_set_md_var(tc, "descr", "A basic test of fputc(3)");
  91 }
  92
  93 ATF_TC_BODY(fputc_basic, tc)
  94 {
  95         putstr(fputc);
  96 }
  97
  98 ATF_TC_CLEANUP(fputc_basic, tc)
  99 {
 100         (void)unlink(path);
 101 }
 102
 103 ATF_TC_WITH_CLEANUP(fputc_err);
 104 ATF_TC_HEAD(fputc_err, tc)
 105 {
 106         atf_tc_set_md_var(tc, "descr", "Test errors from fputc(3)");
 107 }
 108
 109 ATF_TC_BODY(fputc_err, tc)
 110 {
 111         puterr(fputc);
 112 }
 113
 114 ATF_TC_CLEANUP(fputc_err, tc)
 115 {
 116         (void)unlink(path);
 117 }
 118
 119 ATF_TC_WITH_CLEANUP(putc_basic);
 120 ATF_TC_HEAD(putc_basic, tc)
 121 {
 122         atf_tc_set_md_var(tc, "descr", "A basic test of putc(3)");
 123 }
 124
 125 ATF_TC_BODY(putc_basic, tc)
 126 {
 127         putstr(putc);
 128 }
 129
 130 ATF_TC_CLEANUP(putc_basic, tc)
 131 {
 132         (void)unlink(path);
 133 }
 134
 135 ATF_TC_WITH_CLEANUP(putc_err);
 136 ATF_TC_HEAD(putc_err, tc)
 137 {
 138         atf_tc_set_md_var(tc, "descr", "Test errors from putc(3)");
 139 }
 140
 141 ATF_TC_BODY(putc_err, tc)
 142 {
 143         puterr(putc);
 144 }
 145
 146 ATF_TC_CLEANUP(putc_err, tc)
 147 {
 148         (void)unlink(path);
 149 }
 150
 151 ATF_TC_WITH_CLEANUP(putc_unlocked_basic);
 152 ATF_TC_HEAD(putc_unlocked_basic, tc)
 153 {
 154         atf_tc_set_md_var(tc, "descr", "A basic test of putc_unlocked(3)");
 155 }
 156
 157 ATF_TC_BODY(putc_unlocked_basic, tc)
 158 {
 159         putstr(putc_unlocked);
 160 }
 161
 162 ATF_TC_CLEANUP(putc_unlocked_basic, tc)
 163 {
 164         (void)unlink(path);
 165 }
 166
 167 ATF_TC_WITH_CLEANUP(putc_unlocked_err);
 168 ATF_TC_HEAD(putc_unlocked_err, tc)
 169 {
 170         atf_tc_set_md_var(tc, "descr", "Test errors from putc_unlocked(3)");
 171 }
 172
 173 ATF_TC_BODY(putc_unlocked_err, tc)
 174 {
 175         puterr(putc_unlocked);
 176 }
 177
 178 ATF_TC_CLEANUP(putc_unlocked_err, tc)
 179 {
 180         (void)unlink(path);
 181 }
 182
 183 ATF_TP_ADD_TCS(tp)
 184 {
 185
 186         ATF_TP_ADD_TC(tp, fputc_basic);
 187         ATF_TP_ADD_TC(tp, fputc_err);
 188         ATF_TP_ADD_TC(tp, putc_basic);
 189         ATF_TP_ADD_TC(tp, putc_err);
 190         ATF_TP_ADD_TC(tp, putc_unlocked_basic);
 191         ATF_TP_ADD_TC(tp, putc_unlocked_err);
 192
 193         return atf_no_error();
 194 }