freopen_test.c revision 291840
1/*-
2 * Copyright (c) 2014 Jilles Tjoelker
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: stable/10/lib/libc/tests/stdio/freopen_test.c 291840 2015-12-05 04:17:40Z ngie $");
29
30#include <errno.h>
31#include <paths.h>
32#include <stdbool.h>
33#include <stdio.h>
34#include <string.h>
35
36#include <atf-c.h>
37
38static void
39runtest(const char *fname1, const char *mode1, const char *fname2,
40    const char *mode2, bool success)
41{
42	FILE *fp1, *fp2;
43	const char *fname2_print;
44
45	fname2_print = fname2 != NULL ? fname2 : "<NULL>";
46	fp1 = fopen(fname1, mode1);
47	ATF_REQUIRE_MSG(fp1 != NULL,
48	    "fopen(\"%s\", \"%s\") failed; errno=%d", fname1, mode1, errno);
49	fp2 = freopen(fname2, mode2, fp1);
50	if (fp2 == NULL) {
51		fclose(fp1);
52		ATF_REQUIRE_MSG(success == false,
53		    "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) succeeded "
54		    "unexpectedly", fname2_print, mode2, fname1, mode1);
55		return;
56	}
57	ATF_REQUIRE_MSG(success == true,
58	    "freopen(\"%s\", \"%s\", fopen(\"%s\", \"%s\")) failed: %d",
59	    fname2_print, mode2, fname1, mode1, errno);
60	fclose(fp2);
61}
62
63ATF_TC_WITHOUT_HEAD(null__r__r__test);
64ATF_TC_BODY(null__r__r__test, tc)
65{
66
67	runtest(_PATH_DEVNULL, "r", NULL, "r", true);
68}
69
70ATF_TC_WITHOUT_HEAD(null__w__r__test);
71ATF_TC_BODY(null__w__r__test, tc)
72{
73
74	runtest(_PATH_DEVNULL, "w", NULL, "r", false);
75}
76
77ATF_TC_WITHOUT_HEAD(null__r_append__r__test);
78ATF_TC_BODY(null__r_append__r__test, tc)
79{
80
81	runtest(_PATH_DEVNULL, "r+", NULL, "r", true);
82}
83
84ATF_TC_WITHOUT_HEAD(null__r__w__test);
85ATF_TC_BODY(null__r__w__test, tc)
86{
87
88	runtest(_PATH_DEVNULL, "r", NULL, "w", false);
89}
90
91ATF_TC_WITHOUT_HEAD(null__w__w__test);
92ATF_TC_BODY(null__w__w__test, tc)
93{
94
95	runtest(_PATH_DEVNULL, "w", NULL, "w", true);
96}
97
98ATF_TC_WITHOUT_HEAD(null__r_append__w__test);
99ATF_TC_BODY(null__r_append__w__test, tc)
100{
101
102	runtest(_PATH_DEVNULL, "r+", NULL, "w", true);
103}
104
105ATF_TC_WITHOUT_HEAD(null__r__a__test);
106ATF_TC_BODY(null__r__a__test, tc)
107{
108
109	runtest(_PATH_DEVNULL, "r", NULL, "a", false);
110}
111
112ATF_TC_WITHOUT_HEAD(null__w__a__test);
113ATF_TC_BODY(null__w__a__test, tc)
114{
115
116	runtest(_PATH_DEVNULL, "w", NULL, "a", true);
117}
118
119ATF_TC_WITHOUT_HEAD(null__r_append__a__test);
120ATF_TC_BODY(null__r_append__a__test, tc)
121{
122
123	runtest(_PATH_DEVNULL, "r+", NULL, "a", true);
124}
125
126ATF_TC_WITHOUT_HEAD(null__r__r_append__test);
127ATF_TC_BODY(null__r__r_append__test, tc)
128{
129
130	runtest(_PATH_DEVNULL, "r", NULL, "r+", false);
131}
132
133ATF_TC_WITHOUT_HEAD(null__w__r_append__test);
134ATF_TC_BODY(null__w__r_append__test, tc)
135{
136
137	runtest(_PATH_DEVNULL, "w", NULL, "r+", false);
138}
139
140ATF_TC_WITHOUT_HEAD(null__r_append__r_append__test);
141ATF_TC_BODY(null__r_append__r_append__test, tc)
142{
143
144	runtest(_PATH_DEVNULL, "r+", NULL, "r+", true);
145}
146
147ATF_TC_WITHOUT_HEAD(null__r__w_append__test);
148ATF_TC_BODY(null__r__w_append__test, tc)
149{
150
151	runtest(_PATH_DEVNULL, "r", NULL, "w+", false);
152}
153
154ATF_TC_WITHOUT_HEAD(null__w__w_append__test);
155ATF_TC_BODY(null__w__w_append__test, tc)
156{
157
158	runtest(_PATH_DEVNULL, "w", NULL, "w+", false);
159}
160
161ATF_TC_WITHOUT_HEAD(null__r_append__w_append__test);
162ATF_TC_BODY(null__r_append__w_append__test, tc)
163{
164
165	runtest(_PATH_DEVNULL, "r+", NULL, "w+", true);
166}
167
168ATF_TC_WITHOUT_HEAD(sh__r__r__test);
169ATF_TC_BODY(sh__r__r__test, tc)
170{
171
172	runtest("/bin/sh", "r", NULL, "r", true);
173}
174
175ATF_TC_WITHOUT_HEAD(sh__sh__r__r__test);
176ATF_TC_BODY(sh__sh__r__r__test, tc)
177{
178
179	runtest("/bin/sh", "r", "/bin/sh", "r", true);
180}
181
182ATF_TC_WITHOUT_HEAD(sh__null__r__r__test);
183ATF_TC_BODY(sh__null__r__r__test, tc)
184{
185
186	runtest("/bin/sh", "r", _PATH_DEVNULL, "r", true);
187}
188
189ATF_TC_WITHOUT_HEAD(sh__null__r__w__test);
190ATF_TC_BODY(sh__null__r__w__test, tc)
191{
192
193	runtest("/bin/sh", "r", _PATH_DEVNULL, "w", true);
194}
195
196ATF_TP_ADD_TCS(tp)
197{
198
199	ATF_TP_ADD_TC(tp, null__r__r__test);
200	ATF_TP_ADD_TC(tp, null__w__r__test);
201	ATF_TP_ADD_TC(tp, null__r_append__r__test);
202	ATF_TP_ADD_TC(tp, null__r__w__test);
203	ATF_TP_ADD_TC(tp, null__w__w__test);
204	ATF_TP_ADD_TC(tp, null__r_append__w__test);
205	ATF_TP_ADD_TC(tp, null__r__a__test);
206	ATF_TP_ADD_TC(tp, null__w__a__test);
207	ATF_TP_ADD_TC(tp, null__r_append__a__test);
208	ATF_TP_ADD_TC(tp, null__r__r_append__test);
209	ATF_TP_ADD_TC(tp, null__w__r_append__test);
210	ATF_TP_ADD_TC(tp, null__r_append__r_append__test);
211	ATF_TP_ADD_TC(tp, null__r__w_append__test);
212	ATF_TP_ADD_TC(tp, null__w__w_append__test);
213	ATF_TP_ADD_TC(tp, null__r_append__w_append__test);
214	ATF_TP_ADD_TC(tp, sh__r__r__test);
215	ATF_TP_ADD_TC(tp, sh__sh__r__r__test);
216	ATF_TP_ADD_TC(tp, sh__null__r__r__test);
217	ATF_TP_ADD_TC(tp, sh__null__r__w__test);
218
219	return (atf_no_error());
220}
221
222/*
223 vim:ts=8:cin:sw=8
224 */
225