tests/qemu-iotests/050

   1 #!/usr/bin/env bash
   2 #
   3 # Test qemu-img rebase with zero clusters
   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=pbonzini@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _cleanup_test_img
  32     rm -f "$TEST_IMG.old"
  33     rm -f "$TEST_IMG.new"
  34 }
  35 trap "_cleanup; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40
  41 _supported_fmt qcow2 qed
  42 _supported_proto file
  43 _supported_os Linux
  44
  45 if test "$IMGFMT" = qcow2 && test $IMGOPTS = ""; then
  46   IMGOPTS=compat=1.1
  47 fi
  48
  49 echo
  50 echo "== Creating images =="
  51
  52 TEST_IMG_SAVE="$TEST_IMG"
  53 TEST_IMG="$TEST_IMG.old"
  54
  55 size=10M
  56 _make_test_img $size
  57 $QEMU_IO -c "write -P 0x40 0 1048576" "$TEST_IMG" | _filter_qemu_io
  58
  59 TEST_IMG="$TEST_IMG_SAVE.new"
  60
  61 _make_test_img $size
  62 $QEMU_IO -c "write -P 0x5a 0 1048576" "$TEST_IMG" | _filter_qemu_io
  63
  64 TEST_IMG="$TEST_IMG_SAVE"
  65
  66 _make_test_img -b "$TEST_IMG.old" $size
  67 $QEMU_IO -c "write -z 0 1048576" "$TEST_IMG" | _filter_qemu_io
  68
  69 echo
  70 echo "== Rebasing the image =="
  71
  72 $QEMU_IMG rebase -b "$TEST_IMG.new" "$TEST_IMG"
  73 $QEMU_IO -c "read -P 0x00 0 1048576" "$TEST_IMG" | _filter_qemu_io
  74
  75 # success, all done
  76 echo "*** done"
  77 rm -f $seq.full
  78 status=0