xref: /freebsd/contrib/netbsd-tests/lib/libc/string/t_strerror.c (revision 8a6fe8ce60ab99778558c4951d23615a0141daf0)
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);
ATF_TC_HEAD(strerror_basic,tc)42 ATF_TC_HEAD(strerror_basic, tc)
43 {
44 	atf_tc_set_md_var(tc, "descr", "A basic test of strerror(3)");
45 }
46 
ATF_TC_BODY(strerror_basic,tc)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);
ATF_TC_HEAD(strerror_err,tc)59 ATF_TC_HEAD(strerror_err, tc)
60 {
61 	atf_tc_set_md_var(tc, "descr", "Test errors from strerror(3)");
62 }
63 
ATF_TC_BODY(strerror_err,tc)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);
ATF_TC_HEAD(strerror_r_basic,tc)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 
ATF_TC_BODY(strerror_r_basic,tc)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);
ATF_TC_HEAD(strerror_r_err,tc)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 
ATF_TC_BODY(strerror_r_err,tc)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 
ATF_TP_ADD_TCS(tp)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