tests/fs/tmpfs/t_rmdir.sh

   1 # $NetBSD: t_rmdir.sh,v 1.2 2008/04/30 13:11:00 martin Exp $
   2 #
   3 # Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  25 # POSSIBILITY OF SUCH DAMAGE.
  26 #
  27
  28 #
  29 # Verifies that rmdir works by creating and removing directories.  Also
  30 # checks multiple error conditions.
  31 #
  32
  33 atf_test_case mntpt
  34 mntpt_head() {
  35         atf_set "descr" "Checks that the mount point cannot be removed"
  36         atf_set "require.user" "root"
  37 }
  38 mntpt_body() {
  39         test_mount
  40
  41         atf_check -s eq:1 -o empty -e ignore rmdir ${Mount_Point}
  42
  43         test_unmount
  44 }
  45
  46 atf_test_case non_existent
  47 non_existent_head() {
  48         atf_set "descr" "Checks that non-existent directories cannot" \
  49                         "be removed"
  50         atf_set "require.user" "root"
  51 }
  52 non_existent_body() {
  53         test_mount
  54
  55         atf_check -s eq:1 -o empty -e ignore rmdir non-existent
  56
  57         test_unmount
  58 }
  59
  60 atf_test_case single
  61 single_head() {
  62         atf_set "descr" "Checks that removing a single directory works"
  63         atf_set "require.user" "root"
  64 }
  65 single_body() {
  66         test_mount
  67
  68         atf_check -s eq:0 -o empty -e empty mkdir a
  69         eval $(stat -s ${Mount_Point})
  70         [ ${st_nlink} = 3 ] || \
  71             atf_fail "Incorrect number of links after creation"
  72         atf_check -s eq:0 -o empty -e empty rmdir a
  73         eval $(stat -s ${Mount_Point})
  74         [ ${st_nlink} = 2 ] || \
  75             atf_fail "Incorrect number of links after removal"
  76
  77         test_unmount
  78 }
  79
  80 atf_test_case nested
  81 nested_head() {
  82         atf_set "descr" "Checks that removing nested directories works"
  83         atf_set "require.user" "root"
  84 }
  85 nested_body() {
  86         test_mount
  87
  88         atf_check -s eq:0 -o empty -e empty mkdir -p a/b/c
  89         atf_check -s eq:0 -o empty -e empty rmdir a/b/c
  90         atf_check -s eq:0 -o empty -e empty rmdir a/b
  91         atf_check -s eq:0 -o empty -e empty rmdir a
  92
  93         test_unmount
  94 }
  95
  96 atf_test_case dots
  97 dots_head() {
  98         atf_set "descr" "Checks that '.' and '..' cannot be removed"
  99         atf_set "require.user" "root"
 100 }
 101 dots_body() {
 102         test_mount
 103
 104         atf_check -s eq:0 -o empty -e empty mkdir a
 105         atf_check -s eq:1 -o empty -e ignore rmdir a/.
 106         atf_check -s eq:1 -o empty -e ignore rmdir a/..
 107         atf_check -s eq:0 -o empty -e empty rmdir a
 108
 109         test_unmount
 110 }
 111
 112 atf_test_case non_empty
 113 non_empty_head() {
 114         atf_set "descr" "Checks that non-empty directories cannot be removed"
 115         atf_set "require.user" "root"
 116 }
 117 non_empty_body() {
 118         test_mount
 119
 120         atf_check -s eq:0 -o empty -e empty mkdir a
 121         atf_check -s eq:0 -o empty -e empty mkdir a/b
 122         atf_check -s eq:0 -o empty -e empty mkdir a/c
 123         atf_check -s eq:1 -o empty -e ignore rmdir a
 124         atf_check -s eq:0 -o empty -e empty rmdir a/b
 125         atf_check -s eq:0 -o empty -e empty rmdir a/c
 126         atf_check -s eq:0 -o empty -e empty rmdir a
 127
 128         test_unmount
 129 }
 130
 131 atf_test_case links
 132 links_head() {
 133         atf_set "descr" "Checks the root directory's links after removals"
 134         atf_set "require.user" "root"
 135 }
 136 links_body() {
 137         test_mount
 138
 139         atf_check -s eq:0 -o empty -e empty mkdir a
 140         atf_check -s eq:0 -o empty -e empty mkdir a/b
 141         atf_check -s eq:0 -o empty -e empty mkdir c
 142
 143         atf_check -s eq:0 -o empty -e empty rmdir c
 144         atf_check -s eq:0 -o empty -e empty rmdir a/b
 145         atf_check -s eq:0 -o empty -e empty rmdir a
 146
 147         eval $(stat -s ${Mount_Point})
 148         [ ${st_nlink} = 2 ] || atf_fail "Incorrect number of links"
 149
 150         test_unmount
 151 }
 152
 153 atf_test_case curdir
 154 curdir_head() {
 155         atf_set "descr" "Checks that the current directory cannot be removed"
 156         atf_set "require.user" "root"
 157 }
 158 curdir_body() {
 159         test_mount
 160
 161         atf_check -s eq:0 -o empty -e empty mkdir a
 162         # Catch a bug that would panic the system when accessing the
 163         # current directory after being deleted: vop_open cannot assume
 164         # that open files are still linked to a directory.
 165         atf_check -s eq:1 -o empty -e ignore -x '( cd a && rmdir ../a && ls )'
 166         atf_check -s eq:1 -o empty -e empty test -e a
 167
 168         test_unmount
 169 }
 170
 171 atf_test_case kqueue
 172 kqueue_head() {
 173         atf_set "descr" "Checks that removing a directory raises the" \
 174                         "correct kqueue events"
 175         atf_set "require.user" "root"
 176 }
 177 kqueue_body() {
 178         test_mount
 179
 180         atf_check -s eq:0 -o empty -e empty mkdir dir
 181         atf_check -s eq:0 -o empty -e empty mkdir dir/a
 182         echo 'rmdir dir/a' | kqueue_monitor 3 dir dir/a
 183         kqueue_check dir/a NOTE_DELETE
 184         kqueue_check dir NOTE_LINK
 185         kqueue_check dir NOTE_WRITE
 186         atf_check -s eq:0 -o empty -e empty rmdir dir
 187
 188         test_unmount
 189 }
 190
 191 atf_init_test_cases() {
 192         . $(atf_get_srcdir)/../h_funcs.subr
 193         . $(atf_get_srcdir)/h_funcs.subr
 194
 195         atf_add_test_case mntpt
 196         atf_add_test_case non_existent
 197         atf_add_test_case single
 198         atf_add_test_case nested
 199         atf_add_test_case dots
 200         atf_add_test_case non_empty
 201         atf_add_test_case links
 202         atf_add_test_case curdir
 203         atf_add_test_case kqueue
 204 }