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 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 60 handler(int signo) 61 { 62 /* Nothing. */ 63 } 64 65 ATF_TC(assert_false); 66 ATF_TC_HEAD(assert_false, tc) 67 { 68 atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #1"); 69 } 70 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); 104 ATF_TC_HEAD(assert_true, tc) 105 { 106 atf_tc_set_md_var(tc, "descr", "Test that assert(3) works, #2"); 107 } 108 109 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 } 140 141 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