t_strerror.c revision 313535 
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
41ATF_TC(strerror_basic);
42ATF_TC_HEAD(strerror_basic, tc)
43{
44	atf_tc_set_md_var(tc, "descr", "A basic test of strerror(3)");
45}
46
47ATF_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
58ATF_TC(strerror_err);
59ATF_TC_HEAD(strerror_err, tc)
60{
61	atf_tc_set_md_var(tc, "descr", "Test errors from strerror(3)");
62}
63
64ATF_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
78ATF_TC(strerror_r_basic);
79ATF_TC_HEAD(strerror_r_basic, tc)
80{
81	atf_tc_set_md_var(tc, "descr", "A basic test of strerror_r(3)");
82}
83
84ATF_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
100ATF_TC(strerror_r_err);
101ATF_TC_HEAD(strerror_r_err, tc)
102{
103	atf_tc_set_md_var(tc, "descr", "Test errors from strerror_r(3)");
104}
105
106ATF_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
125ATF_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