tests/qemu-iotests/072

   1 #!/bin/bash
   2 #
   3 # Test case for nested image formats
   4 #
   5 # Copyright (C) 2013 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=mreitz@redhat.com
  23
  24 seq="$(basename $0)"
  25 echo "QA output created by $seq"
  26
  27 here="$PWD"
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33         _cleanup_test_img
  34 }
  35 trap "_cleanup; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40
  41 _supported_fmt vpc vmdk vhdx vdi qed qcow2 qcow
  42 _supported_proto file
  43 _supported_os Linux
  44
  45 IMG_SIZE=64M
  46
  47 echo
  48 echo "=== Testing nested image formats ==="
  49 echo
  50
  51 TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
  52
  53 $QEMU_IO -c 'write -P 42 0 512' -c 'write -P 23 512 512' \
  54          -c 'write -P 66 1024 512' "$TEST_IMG.base" | _filter_qemu_io
  55
  56 $QEMU_IMG convert -f raw -O $IMGFMT "$TEST_IMG.base" "$TEST_IMG"
  57
  58 $QEMU_IO -c "open -o driver=$IMGFMT,file.driver=$IMGFMT,file.file.filename=$TEST_IMG" \
  59          -c 'read -P 42 0 512' -c 'read -P 23 512 512' \
  60          -c 'read -P 66 1024 512' | _filter_qemu_io
  61
  62 # When not giving any format, qemu should open only one "layer". Therefore, this
  63 # should not work for any image formats with a header.
  64 $QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
  65
  66 # success, all done
  67 echo "*** done"
  68 rm -f $seq.full
  69 status=0