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 32 #if defined(__FreeBSD__) 33 /* TODO: upstream this. */ 34 #undef NDEBUG 35 #endif 36 37 #include <sys/cdefs.h> 38 __RCSID("$NetBSD: t_assert.c,v 1.3 2017/01/10 15:17:57 christos Exp $"); 39 40 #include <sys/types.h> 41 #include <sys/resource.h> 42 #include <sys/time.h> 43 #include <sys/wait.h> 44 45 #include <assert.h> 46 #include <atf-c.h> 47 #include <signal.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <unistd.h> 51 52 static void 53 disable_corefile(void) 54 { 55 struct rlimit limits; 56 57 limits.rlim_cur = 0; 58 limits.rlim_max = 0; 59 60 ATF_REQUIRE(setrlimit(RLIMIT_CORE, &limits) == 0); 61 } 62 63 static void handler(int); 64 65 static void 66 handler(int signo) 67 { 68 /* Nothing. */ 69 } 70 71 ATF_TC(assert_false); 72 ATF_TC_HEAD(assert_false, tc) 73 { 74 atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #1"); 75 } 76 77 ATF_TC_BODY(assert_false, tc) 78 { 79 struct sigaction sa; 80 pid_t pid; 81 int sta; 82 83 pid = fork(); 84 ATF_REQUIRE(pid >= 0); 85 86 if (pid == 0) { 87 88 disable_corefile(); 89 (void)closefrom(0); 90 (void)memset(&sa, 0, sizeof(struct sigaction)); 91 92 sa.sa_flags = 0; 93 sa.sa_handler = handler; 94 95 (void)sigemptyset(&sa.sa_mask); 96 (void)sigaction(SIGABRT, &sa, 0); 97 98 assert(1 == 1); 99 100 _exit(EXIT_SUCCESS); 101 } 102 103 (void)wait(&sta); 104 105 if (WIFSIGNALED(sta) != 0 || WIFEXITED(sta) == 0) 106 atf_tc_fail("assert(3) fired haphazardly"); 107 } 108 109 ATF_TC(assert_true); 110 ATF_TC_HEAD(assert_true, tc) 111 { 112 atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #2"); 113 } 114 115 ATF_TC_BODY(assert_true, tc) 116 { 117 struct sigaction sa; 118 pid_t pid; 119 int sta; 120 121 pid = fork(); 122 ATF_REQUIRE(pid >= 0); 123 124 if (pid == 0) { 125 126 disable_corefile(); 127 (void)closefrom(0); 128 (void)memset(&sa, 0, sizeof(struct sigaction)); 129 130 sa.sa_flags = 0; 131 sa.sa_handler = handler; 132 133 (void)sigemptyset(&sa.sa_mask); 134 (void)sigaction(SIGABRT, &sa, 0); 135 136 assert(1 == 2); 137 138 _exit(EXIT_SUCCESS); 139 } 140 141 (void)wait(&sta); 142 143 if (WIFSIGNALED(sta) == 0 || WTERMSIG(sta) != SIGABRT) 144 atf_tc_fail("assert(3) did not fire"); 145 } 146 147 ATF_TP_ADD_TCS(tp) 148 { 149 150 ATF_TP_ADD_TC(tp, assert_false); 151 ATF_TP_ADD_TC(tp, assert_true); 152 153 return atf_no_error(); 154 } 155