xref: /freebsd/contrib/netbsd-tests/lib/libc/string/t_strerror.c (revision d899be7d43d8df9cb485af5705e2724165a461c7)
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 #ifdef __FreeBSD__
41 #include <stdio.h>
42 #endif
43 
44 ATF_TC(strerror_basic);
45 ATF_TC_HEAD(strerror_basic, tc)
46 {
47 	atf_tc_set_md_var(tc, "descr", "A basic test of strerror(3)");
48 }
49 
50 ATF_TC_BODY(strerror_basic, tc)
51 {
52 	int i;
53 
54 	for (i = 1; i < sys_nerr; i++)
55 		ATF_REQUIRE(strstr(strerror(i), "Unknown error:") == NULL);
56 
57 	for (; i < sys_nerr + 10; i++)
58 		ATF_REQUIRE(strstr(strerror(i), "Unknown error:") != NULL);
59 }
60 
61 ATF_TC(strerror_err);
62 ATF_TC_HEAD(strerror_err, tc)
63 {
64 	atf_tc_set_md_var(tc, "descr", "Test errors from strerror(3)");
65 }
66 
67 ATF_TC_BODY(strerror_err, tc)
68 {
69 
70 	errno = 0;
71 
72 	ATF_REQUIRE(strstr(strerror(INT_MAX), "Unknown error:") != NULL);
73 	ATF_REQUIRE(errno == EINVAL);
74 
75 	errno = 0;
76 
77 	ATF_REQUIRE(strstr(strerror(INT_MIN), "Unknown error:") != NULL);
78 	ATF_REQUIRE(errno == EINVAL);
79 }
80 
81 ATF_TC(strerror_r_basic);
82 ATF_TC_HEAD(strerror_r_basic, tc)
83 {
84 	atf_tc_set_md_var(tc, "descr", "A basic test of strerror_r(3)");
85 }
86 
87 ATF_TC_BODY(strerror_r_basic, tc)
88 {
89 	char buf[512];
90 	int i;
91 
92 	for (i = 1; i < sys_nerr; i++) {
93 		ATF_REQUIRE(strerror_r(i, buf, sizeof(buf)) == 0);
94 		ATF_REQUIRE(strstr(buf, "Unknown error:") == NULL);
95 	}
96 
97 	for (; i < sys_nerr + 10; i++) {
98 		ATF_REQUIRE(strerror_r(i, buf, sizeof(buf)) == EINVAL);
99 		ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
100 	}
101 }
102 
103 ATF_TC(strerror_r_err);
104 ATF_TC_HEAD(strerror_r_err, tc)
105 {
106 	atf_tc_set_md_var(tc, "descr", "Test errors from strerror_r(3)");
107 }
108 
109 ATF_TC_BODY(strerror_r_err, tc)
110 {
111 	char buf[512];
112 	int rv;
113 
114 	rv = strerror_r(EPERM, buf, 1);
115 	ATF_REQUIRE(rv == ERANGE);
116 
117 	rv = strerror_r(INT_MAX, buf, sizeof(buf));
118 
119 	ATF_REQUIRE(rv == EINVAL);
120 	ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
121 
122 	rv = strerror_r(INT_MIN, buf, sizeof(buf));
123 
124 	ATF_REQUIRE(rv == EINVAL);
125 	ATF_REQUIRE(strstr(buf, "Unknown error:") != NULL);
126 }
127 
128 ATF_TP_ADD_TCS(tp)
129 {
130 
131 	(void)setlocale(LC_ALL, "C");
132 
133 	ATF_TP_ADD_TC(tp, strerror_basic);
134 	ATF_TP_ADD_TC(tp, strerror_err);
135 	ATF_TP_ADD_TC(tp, strerror_r_basic);
136 	ATF_TP_ADD_TC(tp, strerror_r_err);
137 
138 	return atf_no_error();
139 }
140