xref: /minix/tests/lib/libc/string/t_strerror.c (revision ebfedea0)
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 }
136