xref: /freebsd/contrib/netbsd-tests/lib/libc/gen/t_assert.c (revision 39ee7a7a6bdd1557b1c3532abf60d139798ac88b)
1 /* $NetBSD: t_assert.c,v 1.2 2011/06/14 05:28:00 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_assert.c,v 1.2 2011/06/14 05:28:00 jruoho Exp $");
33 
34 #include <sys/wait.h>
35 
36 #include <assert.h>
37 #include <atf-c.h>
38 #include <signal.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <unistd.h>
42 
43 static void		handler(int);
44 
45 static void
46 handler(int signo)
47 {
48 	/* Nothing. */
49 }
50 
51 ATF_TC(assert_false);
52 ATF_TC_HEAD(assert_false, tc)
53 {
54 	atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #1");
55 }
56 
57 ATF_TC_BODY(assert_false, tc)
58 {
59 	struct sigaction sa;
60 	pid_t pid;
61 	int sta;
62 
63 	pid = fork();
64 	ATF_REQUIRE(pid >= 0);
65 
66 	if (pid == 0) {
67 
68 		(void)closefrom(0);
69 		(void)memset(&sa, 0, sizeof(struct sigaction));
70 
71 		sa.sa_flags = 0;
72 		sa.sa_handler = handler;
73 
74 		(void)sigemptyset(&sa.sa_mask);
75 		(void)sigaction(SIGABRT, &sa, 0);
76 
77 		assert(1 == 1);
78 
79 		_exit(EXIT_SUCCESS);
80 	}
81 
82 	(void)wait(&sta);
83 
84 	if (WIFSIGNALED(sta) != 0 || WIFEXITED(sta) == 0)
85 		atf_tc_fail("assert(3) fired haphazardly");
86 }
87 
88 ATF_TC(assert_true);
89 ATF_TC_HEAD(assert_true, tc)
90 {
91 	atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #2");
92 }
93 
94 ATF_TC_BODY(assert_true, tc)
95 {
96 	struct sigaction sa;
97 	pid_t pid;
98 	int sta;
99 
100 	pid = fork();
101 	ATF_REQUIRE(pid >= 0);
102 
103 	if (pid == 0) {
104 
105 		(void)closefrom(0);
106 		(void)memset(&sa, 0, sizeof(struct sigaction));
107 
108 		sa.sa_flags = 0;
109 		sa.sa_handler = handler;
110 
111 		(void)sigemptyset(&sa.sa_mask);
112 		(void)sigaction(SIGABRT, &sa, 0);
113 
114 		assert(1 == 2);
115 
116 		_exit(EXIT_SUCCESS);
117 	}
118 
119 	(void)wait(&sta);
120 
121 	if (WIFSIGNALED(sta) == 0 || WTERMSIG(sta) != SIGABRT)
122 		atf_tc_fail("assert(3) did not fire");
123 }
124 
125 ATF_TP_ADD_TCS(tp)
126 {
127 
128 	ATF_TP_ADD_TC(tp, assert_false);
129 	ATF_TP_ADD_TC(tp, assert_true);
130 
131 	return atf_no_error();
132 }
133