tests/lib/libc/gen/t_ftok.c

   1 /*      $NetBSD: t_ftok.c,v 1.1 2011/11/08 05:47:00 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_ftok.c,v 1.1 2011/11/08 05:47:00 jruoho Exp $");
  33
  34 #include <sys/types.h>
  35 #include <sys/ipc.h>
  36
  37 #include <atf-c.h>
  38 #include <fcntl.h>
  39 #include <unistd.h>
  40
  41 static const char *path = "ftok";
  42 static const char *hlnk = "hlnk";
  43 static const char *slnk = "slnk";
  44 static const int key = 123456789;
  45
  46 ATF_TC(ftok_err);
  47 ATF_TC_HEAD(ftok_err, tc)
  48 {
  49         atf_tc_set_md_var(tc, "descr", "Test errors from ftok(3)");
  50 }
  51
  52 ATF_TC_BODY(ftok_err, tc)
  53 {
  54         ATF_REQUIRE(ftok("/a/b/c/d/e/f/g/h/i", key) == -1);
  55 }
  56
  57 ATF_TC_WITH_CLEANUP(ftok_link);
  58 ATF_TC_HEAD(ftok_link, tc)
  59 {
  60         atf_tc_set_md_var(tc, "descr", "Test that links return the same key");
  61 }
  62
  63 ATF_TC_BODY(ftok_link, tc)
  64 {
  65         key_t k1, k2, k3;
  66         int fd;
  67
  68         fd = open(path, O_RDONLY | O_CREAT);
  69
  70         ATF_REQUIRE(fd >= 0);
  71         ATF_REQUIRE(link(path, hlnk) == 0);
  72         ATF_REQUIRE(symlink(path, slnk) == 0);
  73
  74         k1 = ftok(path, key);
  75         k2 = ftok(hlnk, key);
  76         k3 = ftok(slnk, key);
  77
  78         ATF_REQUIRE(k1 != -1);
  79         ATF_REQUIRE(k2 != -1);
  80         ATF_REQUIRE(k3 != -1);
  81
  82         if (k1 != k2)
  83                 atf_tc_fail("ftok(3) gave different key for a hard link");
  84
  85         if (k1 != k3)
  86                 atf_tc_fail("ftok(3) gave different key for a symbolic link");
  87
  88         ATF_REQUIRE(unlink(path) == 0);
  89         ATF_REQUIRE(unlink(hlnk) == 0);
  90         ATF_REQUIRE(unlink(slnk) == 0);
  91 }
  92
  93 ATF_TC_CLEANUP(ftok_link, tc)
  94 {
  95         (void)unlink(path);
  96         (void)unlink(hlnk);
  97         (void)unlink(slnk);
  98 }
  99
 100 ATF_TP_ADD_TCS(tp)
 101 {
 102
 103         ATF_TP_ADD_TC(tp, ftok_err);
 104         ATF_TP_ADD_TC(tp, ftok_link);
 105
 106         return atf_no_error();
 107 }