tests/lib/libc/string/t_strerror.c

   1 /* $NetBSD: t_strerror.c,v 1.3 2011/05/10 06:55:27 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_strerror.c,v 1.3 2011/05/10 06:55:27 jruoho Exp $");
  33
  34 #include <atf-c.h>
  35 #include <errno.h>
  36 #include <limits.h>
  37 #include <locale.h>
  38 #include <string.h>
  39
  40 ATF_TC(strerror_basic);
  41 ATF_TC_HEAD(strerror_basic, tc)
  42 {
  43         atf_tc_set_md_var(tc, "descr", "A basic test of strerror(3)");
  44 }
  45
  46 ATF_TC_BODY(strerror_basic, tc)
  47 {
  48         int i;
  49
  50         for (i = 1; i < sys_nerr; i++)
  51                 ATF_REQUIRE(strstr(strerror(i), "Unknown error:") == NULL);
  52
  53         for (; i < sys_nerr + 10; i++)
  54                 ATF_REQUIRE(strstr(strerror(i), "Unknown error:") != NULL);
  55 }
  56
  57 ATF_TC(strerror_err);
  58 ATF_TC_HEAD(strerror_err, tc)
  59 {
  60         atf_tc_set_md_var(tc, "descr", "Test errors from strerror(3)");
  61 }
  62
  63 ATF_TC_BODY(strerror_err, tc)
  64 {
  65
  66         errno = 0;
  67
  68         ATF_REQUIRE(strstr(strerror(INT_MAX), "Unknown error:") != NULL);
  69         ATF_REQUIRE(errno == EINVAL);
  70
  71         errno = 0;
  72
  73         ATF_REQUIRE(strstr(strerror(INT_MIN), "Unknown error:") != NULL);
  74         ATF_REQUIRE(errno == EINVAL);
  75 }
  76
  77 ATF_TC(strerror_r_basic);
  78 ATF_TC_HEAD(strerror_r_basic, tc)
  79 {
  80         atf_tc_set_md_var(tc, "descr", "A basic test of strerror_r(3)");
  81 }
  82
  83 ATF_TC_BODY(strerror_r_basic, tc)
  84 {
  85         char buf[512];
  86         int i;
  87
  88         for (i = 1; i < sys_nerr; i++) {
  89                 ATF_REQUIRE(strerror_r(i, buf, sizeof(buf)) == 0);
  90                 ATF_REQUIRE(strstr(buf, "Unknown error:") == NULL);
  91         }
  92
  93         for (; i < sys_nerr + 10; i++) {
  94                 ATF_REQUIRE(strerror_r(i, buf, sizeof(buf)) == EINVAL);
  95                 ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
  96         }
  97 }
  98
  99 ATF_TC(strerror_r_err);
 100 ATF_TC_HEAD(strerror_r_err, tc)
 101 {
 102         atf_tc_set_md_var(tc, "descr", "Test errors from strerror_r(3)");
 103 }
 104
 105 ATF_TC_BODY(strerror_r_err, tc)
 106 {
 107         char buf[512];
 108         int rv;
 109
 110         rv = strerror_r(EPERM, buf, 1);
 111         ATF_REQUIRE(rv == ERANGE);
 112
 113         rv = strerror_r(INT_MAX, buf, sizeof(buf));
 114
 115         ATF_REQUIRE(rv == EINVAL);
 116         ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
 117
 118         rv = strerror_r(INT_MIN, buf, sizeof(buf));
 119
 120         ATF_REQUIRE(rv == EINVAL);
 121         ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
 122 }
 123
 124 ATF_TP_ADD_TCS(tp)
 125 {
 126
 127         (void)setlocale(LC_ALL, "C");
 128
 129         ATF_TP_ADD_TC(tp, strerror_basic);
 130         ATF_TP_ADD_TC(tp, strerror_err);
 131         ATF_TP_ADD_TC(tp, strerror_r_basic);
 132         ATF_TP_ADD_TC(tp, strerror_r_err);
 133
 134         return atf_no_error();
 135 }