tests/lib/libposix/t_rename.c

   1 /* $NetBSD: t_rename.c,v 1.2 2011/05/16 00:03:36 christos Exp $ */
   2
   3 /*
   4  * Copyright (c) 2001, 2008, 2010 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28 #define _NETBSD_SOURCE  /* strlcat/random */
  29 #include <sys/cdefs.h>
  30 __COPYRIGHT("@(#) Copyright (c) 2008, 2010\
  31  The NetBSD Foundation, inc. All rights reserved.");
  32 __RCSID("$NetBSD: t_rename.c,v 1.2 2011/05/16 00:03:36 christos Exp $");
  33
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36
  37 #include <errno.h>
  38 #include <fcntl.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41 #include <string.h>
  42 #include <unistd.h>
  43
  44 #include <atf-c.h>
  45
  46 #include "../../h_macros.h"
  47
  48 ATF_TC(rename);
  49 ATF_TC_HEAD(rename, tc)
  50 {
  51         atf_tc_set_md_var(tc, "descr", "Checks rename(2)");
  52 }
  53 ATF_TC_BODY(rename, tc)
  54 {
  55         struct stat sb;
  56
  57         REQUIRE_LIBC(open("t1", O_CREAT | O_TRUNC | O_WRONLY, 0600), -1);
  58         REQUIRE_LIBC(link("t1", "t2"), -1);
  59
  60         /* Check if rename to same name works as expected */
  61         REQUIRE_LIBC(rename("t1", "t1"), -1);
  62
  63         /* Rename removed file? */
  64         REQUIRE_LIBC(stat("t1", &sb), -1);
  65
  66         REQUIRE_LIBC(rename("t1", "t2"), -1);
  67
  68 #if BSD_RENAME
  69         /* check if rename of hardlinked file works the BSD way */
  70         ATF_REQUIRE_MSG(stat("t1", &sb) != 0, "BSD rename should remove file t1");
  71         ATF_REQUIRE_EQ(errno, ENOENT);
  72 #else
  73         /* check if rename of hardlinked file works as the standard says */
  74         REQUIRE_LIBC(stat("t1", &sb), -1);
  75 #endif
  76         /* check if we get the expected error */
  77         /* this also exercises icky shared libraries goo */
  78         ATF_REQUIRE_MSG(rename("no/such/file/or/dir", "no/such/file/or/dir") != 0,
  79                 "No error renaming nonexistent file");
  80         ATF_REQUIRE_EQ(errno, ENOENT);
  81 }
  82
  83 ATF_TP_ADD_TCS(tp)
  84 {
  85
  86         ATF_TP_ADD_TC(tp, rename);
  87
  88         return atf_no_error();
  89 }