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
46 static void
disable_corefile(void)47 disable_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
57 static void handler(int);
58
59 static void
handler(int signo)60 handler(int signo)
61 {
62 /* Nothing. */
63 }
64
65 ATF_TC(assert_false);
ATF_TC_HEAD(assert_false,tc)66 ATF_TC_HEAD(assert_false, tc)
67 {
68 atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #1");
69 }
70
ATF_TC_BODY(assert_false,tc)71 ATF_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
103 ATF_TC(assert_true);
ATF_TC_HEAD(assert_true,tc)104 ATF_TC_HEAD(assert_true, tc)
105 {
106 atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #2");
107 }
108
ATF_TC_BODY(assert_true,tc)109 ATF_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
ATF_TP_ADD_TCS(tp)141 ATF_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