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      1 /* $NetBSD: t_system.c,v 1.1 2011/09/11 10:32:23 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_system.c,v 1.1 2011/09/11 10:32:23 jruoho Exp $");
     33 
     34 #include <atf-c.h>
     35 #include <fcntl.h>
     36 #include <stdlib.h>
     37 #include <string.h>
     38 #include <unistd.h>
     39 
     40 static const char *path = "system";
     41 
     42 ATF_TC_WITH_CLEANUP(system_basic);
     43 ATF_TC_HEAD(system_basic, tc)
     44 {
     45 	atf_tc_set_md_var(tc, "descr", "A basic test of system(3)");
     46 }
     47 
     48 ATF_TC_BODY(system_basic, tc)
     49 {
     50 	char buf[23];
     51 	int fd, i = 2;
     52 
     53 	ATF_REQUIRE(system("/bin/echo -n > system") == 0);
     54 
     55 	while (i >= 0) {
     56 		ATF_REQUIRE(system("/bin/echo -n garbage >> system") == 0);
     57 		i--;
     58 	}
     59 
     60 	fd = open(path, O_RDONLY);
     61 	ATF_REQUIRE(fd >= 0);
     62 
     63 	(void)memset(buf, '\0', sizeof(buf));
     64 
     65 	ATF_REQUIRE(read(fd, buf, 21) == 21);
     66 	ATF_REQUIRE(strcmp(buf, "garbagegarbagegarbage") == 0);
     67 
     68 	ATF_REQUIRE(close(fd) == 0);
     69 	ATF_REQUIRE(unlink(path) == 0);
     70 }
     71 
     72 ATF_TC_CLEANUP(system_basic, tc)
     73 {
     74 	(void)unlink(path);
     75 }
     76 
     77 ATF_TP_ADD_TCS(tp)
     78 {
     79 
     80 	ATF_TP_ADD_TC(tp, system_basic);
     81 
     82 	return atf_no_error();
     83 }
     84