t_assert.c revision 313535 
1/* $NetBSD: t_assert.c,v 1.3 2017/01/10 15:17:57 christos 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 1.3 2017/01/10 15:17:57 christos Exp $");
33
34#include <sys/types.h>
35#include <sys/resource.h>
36#include <sys/time.h>
37#include <sys/wait.h>
38
39#include <assert.h>
40#include <atf-c.h>
41#include <signal.h>
42#include <stdlib.h>
43#include <string.h>
44#include <unistd.h>
45
46static void
47disable_corefile(void)
48{
49	struct rlimit limits;
50
51	limits.rlim_cur = 0;
52	limits.rlim_max = 0;
53
54	ATF_REQUIRE(setrlimit(RLIMIT_CORE, &limits) == 0);
55}
56
57static void		handler(int);
58
59static void
60handler(int signo)
61{
62	/* Nothing. */
63}
64
65ATF_TC(assert_false);
66ATF_TC_HEAD(assert_false, tc)
67{
68	atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #1");
69}
70
71ATF_TC_BODY(assert_false, tc)
72{
73	struct sigaction sa;
74	pid_t pid;
75	int sta;
76
77	pid = fork();
78	ATF_REQUIRE(pid >= 0);
79
80	if (pid == 0) {
81
82		disable_corefile();
83		(void)closefrom(0);
84		(void)memset(&sa, 0, sizeof(struct sigaction));
85
86		sa.sa_flags = 0;
87		sa.sa_handler = handler;
88
89		(void)sigemptyset(&sa.sa_mask);
90		(void)sigaction(SIGABRT, &sa, 0);
91
92		assert(1 == 1);
93
94		_exit(EXIT_SUCCESS);
95	}
96
97	(void)wait(&sta);
98
99	if (WIFSIGNALED(sta) != 0 || WIFEXITED(sta) == 0)
100		atf_tc_fail("assert(3) fired haphazardly");
101}
102
103ATF_TC(assert_true);
104ATF_TC_HEAD(assert_true, tc)
105{
106	atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #2");
107}
108
109ATF_TC_BODY(assert_true, tc)
110{
111	struct sigaction sa;
112	pid_t pid;
113	int sta;
114
115	pid = fork();
116	ATF_REQUIRE(pid >= 0);
117
118	if (pid == 0) {
119
120		disable_corefile();
121		(void)closefrom(0);
122		(void)memset(&sa, 0, sizeof(struct sigaction));
123
124		sa.sa_flags = 0;
125		sa.sa_handler = handler;
126
127		(void)sigemptyset(&sa.sa_mask);
128		(void)sigaction(SIGABRT, &sa, 0);
129
130		assert(1 == 2);
131
132		_exit(EXIT_SUCCESS);
133	}
134
135	(void)wait(&sta);
136
137	if (WIFSIGNALED(sta) == 0 || WTERMSIG(sta) != SIGABRT)
138		atf_tc_fail("assert(3) did not fire");
139}
140
141ATF_TP_ADD_TCS(tp)
142{
143
144	ATF_TP_ADD_TC(tp, assert_false);
145	ATF_TP_ADD_TC(tp, assert_true);
146
147	return atf_no_error();
148}
149