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
42static bool	fail;
43static void	func(void);
44
45static void
46func(void)
47{
48	fail = false;
49}
50
51ATF_TC(exit_atexit);
52ATF_TC_HEAD(exit_atexit, tc)
53{
54	atf_tc_set_md_var(tc, "descr", "A basic test of atexit(3)");
55}
56
57ATF_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
84ATF_TC(exit_basic);
85ATF_TC_HEAD(exit_basic, tc)
86{
87	atf_tc_set_md_var(tc, "descr", "A basic test of exit(3)");
88}
89
90ATF_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
109ATF_TC(exit_status);
110ATF_TC_HEAD(exit_status, tc)
111{
112	atf_tc_set_md_var(tc, "descr", "Test exit(3) status");
113}
114
115ATF_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
138ATF_TC(exit_tmpfile);
139ATF_TC_HEAD(exit_tmpfile, tc)
140{
141	atf_tc_set_md_var(tc, "descr", "Temporary files are unlinked?");
142}
143
144ATF_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
177ATF_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