xref: /freebsd/contrib/netbsd-tests/lib/libc/string/t_strerror.c (revision 624e87b673064ae228b79cde11b82f1ad7502bc3)
1  /* $NetBSD: t_strerror.c,v 1.4 2017/01/10 20:35:49 christos 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 1.4 2017/01/10 20:35:49 christos Exp $");
33  
34  #include <atf-c.h>
35  #include <errno.h>
36  #include <stdio.h>	/* Needed for sys_nerr on FreeBSD */
37  #include <limits.h>
38  #include <locale.h>
39  #include <string.h>
40  
41  ATF_TC(strerror_basic);
42  ATF_TC_HEAD(strerror_basic, tc)
43  {
44  	atf_tc_set_md_var(tc, "descr", "A basic test of strerror(3)");
45  }
46  
47  ATF_TC_BODY(strerror_basic, tc)
48  {
49  	int i;
50  
51  	for (i = 1; i < sys_nerr; i++)
52  		ATF_REQUIRE(strstr(strerror(i), "Unknown error:") == NULL);
53  
54  	for (; i < sys_nerr + 10; i++)
55  		ATF_REQUIRE(strstr(strerror(i), "Unknown error:") != NULL);
56  }
57  
58  ATF_TC(strerror_err);
59  ATF_TC_HEAD(strerror_err, tc)
60  {
61  	atf_tc_set_md_var(tc, "descr", "Test errors from strerror(3)");
62  }
63  
64  ATF_TC_BODY(strerror_err, tc)
65  {
66  
67  	errno = 0;
68  
69  	ATF_REQUIRE(strstr(strerror(INT_MAX), "Unknown error:") != NULL);
70  	ATF_REQUIRE(errno == EINVAL);
71  
72  	errno = 0;
73  
74  	ATF_REQUIRE(strstr(strerror(INT_MIN), "Unknown error:") != NULL);
75  	ATF_REQUIRE(errno == EINVAL);
76  }
77  
78  ATF_TC(strerror_r_basic);
79  ATF_TC_HEAD(strerror_r_basic, tc)
80  {
81  	atf_tc_set_md_var(tc, "descr", "A basic test of strerror_r(3)");
82  }
83  
84  ATF_TC_BODY(strerror_r_basic, tc)
85  {
86  	char buf[512];
87  	int i;
88  
89  	for (i = 1; i < sys_nerr; i++) {
90  		ATF_REQUIRE(strerror_r(i, buf, sizeof(buf)) == 0);
91  		ATF_REQUIRE(strstr(buf, "Unknown error:") == NULL);
92  	}
93  
94  	for (; i < sys_nerr + 10; i++) {
95  		ATF_REQUIRE(strerror_r(i, buf, sizeof(buf)) == EINVAL);
96  		ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
97  	}
98  }
99  
100  ATF_TC(strerror_r_err);
101  ATF_TC_HEAD(strerror_r_err, tc)
102  {
103  	atf_tc_set_md_var(tc, "descr", "Test errors from strerror_r(3)");
104  }
105  
106  ATF_TC_BODY(strerror_r_err, tc)
107  {
108  	char buf[512];
109  	int rv;
110  
111  	rv = strerror_r(EPERM, buf, 1);
112  	ATF_REQUIRE(rv == ERANGE);
113  
114  	rv = strerror_r(INT_MAX, buf, sizeof(buf));
115  
116  	ATF_REQUIRE(rv == EINVAL);
117  	ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
118  
119  	rv = strerror_r(INT_MIN, buf, sizeof(buf));
120  
121  	ATF_REQUIRE(rv == EINVAL);
122  	ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
123  }
124  
125  ATF_TP_ADD_TCS(tp)
126  {
127  
128  	(void)setlocale(LC_ALL, "C");
129  
130  	ATF_TP_ADD_TC(tp, strerror_basic);
131  	ATF_TP_ADD_TC(tp, strerror_err);
132  	ATF_TP_ADD_TC(tp, strerror_r_basic);
133  	ATF_TP_ADD_TC(tp, strerror_r_err);
134  
135  	return atf_no_error();
136  }
137