tests/fs/tmpfs/t_truncate.sh

   1 # $NetBSD: t_truncate.sh,v 1.4 2010/11/07 17:51:18 jmmv Exp $
   2 #
   3 # Copyright (c) 2005, 2006, 2007 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 atf_test_case basic
  29 basic_head() {
  30         atf_set "descr" "Verifies that the truncate operation works"
  31         atf_set "require.user" "root"
  32 }
  33 basic_body() {
  34         test_mount
  35
  36         echo "Creating big file"
  37         jot 10000 >a || atf_fail "Failed to create big file"
  38         echo "Trunctaing the file to a smaller size"
  39         echo foo >a || atf_fail "Failed to truncate file to a smaller size"
  40         [ $(md5 a | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || \
  41             echo "Truncated file is incorrect"
  42
  43         echo "Truncating to zero bytes"
  44         >a || atf_fail "Failed to truncate to 0"
  45         echo "Truncating to zero bytes, second try"
  46         >a || atf_fail "Failed to re-truncate to 0"
  47
  48         test_unmount
  49 }
  50
  51 atf_init_test_cases() {
  52         . $(atf_get_srcdir)/../h_funcs.subr
  53         . $(atf_get_srcdir)/h_funcs.subr
  54
  55         atf_add_test_case basic
  56 }