tests/qemu-iotests/072

   1 #!/usr/bin/env bash
   2 # group: rw auto quick
   3 #
   4 # Test case for nested image formats
   5 #
   6 # Copyright (C) 2013 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=hreitz@redhat.com
  24
  25 seq="$(basename $0)"
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt vpc vmdk vhdx vdi qed qcow2 qcow
  41 _supported_proto file
  42 _unsupported_imgopts "subformat=streamOptimized"
  43
  44 IMG_SIZE=64M
  45
  46 echo
  47 echo "=== Testing nested image formats ==="
  48 echo
  49
  50 TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
  51
  52 $QEMU_IO -c 'write -P 42 0 512' -c 'write -P 23 512 512' \
  53          -c 'write -P 66 1024 512' "$TEST_IMG.base" | _filter_qemu_io
  54
  55 $QEMU_IMG convert -f raw -O $IMGFMT "$TEST_IMG.base" "$TEST_IMG"
  56
  57 $QEMU_IO -c "open -o driver=$IMGFMT,file.driver=$IMGFMT,file.file.filename=$TEST_IMG" \
  58          -c 'read -P 42 0 512' -c 'read -P 23 512 512' \
  59          -c 'read -P 66 1024 512' | _filter_qemu_io
  60
  61 # When not giving any format, qemu should open only one "layer". Therefore, this
  62 # should not work for any image formats with a header.
  63 $QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
  64
  65 # success, all done
  66 echo "*** done"
  67 rm -f $seq.full
  68 status=0