1 /* $NetBSD: t_exit.c,v 1.1 2011/05/09 07:31:51 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_exit.c,v 1.1 2011/05/09 07:31:51 jruoho Exp $");
33 
34 #include <sys/wait.h>
35 
36 #include <atf-c.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <unistd.h>
41 
42 static bool	fail;
43 static void	func(void);
44 
45 static void
46 func(void)
47 {
48 	fail = false;
49 }
50 
51 ATF_TC(exit_atexit);
52 ATF_TC_HEAD(exit_atexit, tc)
53 {
54 	atf_tc_set_md_var(tc, "descr", "A basic test of atexit(3)");
55 }
56 
57 ATF_TC_BODY(exit_atexit, tc)
58 {
59 	pid_t pid;
60 	int sta;
61 
62 	pid = fork();
63 	ATF_REQUIRE(pid >= 0);
64 
65 	if (pid == 0) {
66 
67 		if (atexit(func) != 0)
68 			_exit(EXIT_FAILURE);
69 
70 		fail = true;
71 
72 		_exit(EXIT_SUCCESS);
73 	}
74 
75 	(void)wait(&sta);
76 
77 	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
78 		atf_tc_fail("atexit(3) failed");
79 
80 	if (fail != false)
81 		atf_tc_fail("atexit(3) was not called");
82 }
83 
84 ATF_TC(exit_basic);
85 ATF_TC_HEAD(exit_basic, tc)
86 {
87 	atf_tc_set_md_var(tc, "descr", "A basic test of exit(3)");
88 }
89 
90 ATF_TC_BODY(exit_basic, tc)
91 {
92 	pid_t pid;
93 	int sta;
94 
95 	pid = fork();
96 	ATF_REQUIRE(pid >= 0);
97 
98 	if (pid == 0) {
99 		exit(EXIT_SUCCESS);
100 		exit(EXIT_FAILURE);
101 	}
102 
103 	(void)wait(&sta);
104 
105 	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
106 		atf_tc_fail("exit(3) did not exit successfully");
107 }
108 
109 ATF_TC(exit_status);
110 ATF_TC_HEAD(exit_status, tc)
111 {
112 	atf_tc_set_md_var(tc, "descr", "Test exit(3) status");
113 }
114 
115 ATF_TC_BODY(exit_status, tc)
116 {
117 	const int n = 10;
118 	int i, sta;
119 	pid_t pid;
120 
121 	for (i = 0; i < n; i++) {
122 
123 		pid = fork();
124 
125 		if (pid < 0)
126 			exit(EXIT_FAILURE);
127 
128 		if (pid == 0)
129 			exit(i);
130 
131 		(void)wait(&sta);
132 
133 		if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != i)
134 			atf_tc_fail("invalid exit(3) status");
135 	}
136 }
137 
138 ATF_TC(exit_tmpfile);
139 ATF_TC_HEAD(exit_tmpfile, tc)
140 {
141 	atf_tc_set_md_var(tc, "descr", "Temporary files are unlinked?");
142 }
143 
144 ATF_TC_BODY(exit_tmpfile, tc)
145 {
146 	int sta, fd = -1;
147 	char buf[12];
148 	pid_t pid;
149 	FILE *f;
150 
151 	(void)strlcpy(buf, "exit.XXXXXX", sizeof(buf));
152 
153 	pid = fork();
154 	ATF_REQUIRE(pid >= 0);
155 
156 	if (pid == 0) {
157 
158 		fd = mkstemp(buf);
159 
160 		if (fd < 0)
161 			exit(EXIT_FAILURE);
162 
163 		exit(EXIT_SUCCESS);
164 	}
165 
166 	(void)wait(&sta);
167 
168 	if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
169 		atf_tc_fail("failed to create temporary file");
170 
171 	f = fdopen(fd, "r");
172 
173 	if (f != NULL)
174 		atf_tc_fail("exit(3) did not clear temporary file");
175 }
176 
177 ATF_TP_ADD_TCS(tp)
178 {
179 
180 	ATF_TP_ADD_TC(tp, exit_atexit);
181 	ATF_TP_ADD_TC(tp, exit_basic);
182 	ATF_TP_ADD_TC(tp, exit_status);
183 	ATF_TP_ADD_TC(tp, exit_tmpfile);
184 
185 	return atf_no_error();
186 }
187