tests/lib/libc/stdlib/t_system.c

   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 }