xref: /freebsd/contrib/netbsd-tests/lib/libc/stdlib/t_system.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /* $NetBSD: t_system.c,v 1.1 2011/09/11 10:32:23 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_system.c,v 1.1 2011/09/11 10:32:23 jruoho Exp $");
33 
34 #include <atf-c.h>
35 #include <fcntl.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <unistd.h>
39 
40 static const char *path = "system";
41 
42 ATF_TC_WITH_CLEANUP(system_basic);
43 ATF_TC_HEAD(system_basic, tc)
44 {
45 	atf_tc_set_md_var(tc, "descr", "A basic test of system(3)");
46 }
47 
48 ATF_TC_BODY(system_basic, tc)
49 {
50 	char buf[23];
51 	int fd, i = 2;
52 
53 	ATF_REQUIRE(system("/bin/echo -n > system") == 0);
54 
55 	while (i >= 0) {
56 		ATF_REQUIRE(system("/bin/echo -n garbage >> system") == 0);
57 		i--;
58 	}
59 
60 	fd = open(path, O_RDONLY);
61 	ATF_REQUIRE(fd >= 0);
62 
63 	(void)memset(buf, '\0', sizeof(buf));
64 
65 	ATF_REQUIRE(read(fd, buf, 21) == 21);
66 	ATF_REQUIRE(strcmp(buf, "garbagegarbagegarbage") == 0);
67 
68 	ATF_REQUIRE(close(fd) == 0);
69 	ATF_REQUIRE(unlink(path) == 0);
70 }
71 
72 ATF_TC_CLEANUP(system_basic, tc)
73 {
74 	(void)unlink(path);
75 }
76 
77 ATF_TP_ADD_TCS(tp)
78 {
79 
80 	ATF_TP_ADD_TC(tp, system_basic);
81 
82 	return atf_no_error();
83 }
84