xref: /freebsd/contrib/netbsd-tests/lib/libc/stdlib/t_system.c (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
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