tests/fs/tmpfs/t_read_write.sh

   1 # $NetBSD: t_read_write.sh,v 1.5 2010/11/07 17:51:18 jmmv 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 the read and write operations work.
  30 #
  31
  32 atf_test_case basic
  33 basic_head() {
  34         atf_set "descr" "Checks that file removal works"
  35         atf_set "require.user" "root"
  36 }
  37 basic_body() {
  38         test_mount
  39
  40         echo "Testing write to a small file"
  41         echo foo >a || atf_fail "Failed to write to file"
  42         [ $(md5 a | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || \
  43             atf_fail "Invalid file contents"
  44
  45         echo "Testing appending to a small file"
  46         echo bar >>a || atf_fail "Failed to append data to file"
  47         [ $(md5 a | cut -d ' ' -f 4) = f47c75614087a8dd938ba4acff252494 ] || \
  48             atf_fail "Invalid file contents"
  49
  50         echo "Testing write to a big file (bigger than a page)"
  51         jot 10000 >b || atf_fail "Failed to create a big file"
  52         [ $(md5 b | cut -d ' ' -f 4) = 72d4ff27a28afbc066d5804999d5a504 ] || \
  53             atf_fail "Invalid file contents"
  54
  55         test_unmount
  56 }
  57
  58 atf_test_case kqueue
  59 kqueue_head() {
  60         atf_set "descr" "Checks that writing to a file raises the" \
  61                         "appropriate kqueue events"
  62         atf_set "require.user" "root"
  63 }
  64 kqueue_body() {
  65         test_mount
  66
  67         atf_check -s eq:0 -o ignore -e ignore \
  68             dd if=/dev/zero of=c bs=1k count=10
  69         echo 'dd if=/dev/zero of=c seek=2 bs=1k count=1 conv=notrunc' \
  70             '>/dev/null 2>&1' | kqueue_monitor 1 c
  71         kqueue_check c NOTE_WRITE
  72
  73         echo foo >d
  74         echo 'echo bar >>d' | kqueue_monitor 2 d
  75         kqueue_check d NOTE_EXTEND
  76         kqueue_check d NOTE_WRITE
  77
  78         test_unmount
  79 }
  80
  81 atf_init_test_cases() {
  82         . $(atf_get_srcdir)/../h_funcs.subr
  83         . $(atf_get_srcdir)/h_funcs.subr
  84
  85         atf_add_test_case basic
  86         atf_add_test_case kqueue
  87 }