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t_assert.c revision 1.2 
      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