tests/qemu-iotests/101

   1 #!/usr/bin/env bash
   2 # group: rw quick
   3 #
   4 # Test short file I/O
   5 #
   6 # Copyright (C) 2014 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=stefanha@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt raw
  41 _supported_proto file
  42 _supported_os Linux
  43
  44
  45 echo
  46 echo "== creating short image file =="
  47 dd if=/dev/zero of="$TEST_IMG" bs=1 count=320
  48
  49 echo
  50 echo "== reading bytes beyond EOF gives zeroes =="
  51 $QEMU_IO -c "read -P 0 0 512" "$TEST_IMG" | _filter_qemu_io
  52
  53
  54 # success, all done
  55 echo "*** done"
  56 rm -f $seq.full
  57 status=0