tests/qemu-iotests/062

   1 #!/usr/bin/env bash
   2 #
   3 # Test case for snapshotting images with unallocated zero clusters in
   4 # qcow2
   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=mreitz@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 # This tests qocw2-specific low-level functionality
  41 _supported_fmt qcow2
  42 _supported_proto generic
  43
  44 IMGOPTS="compat=1.1"
  45 IMG_SIZE=64M
  46
  47 echo
  48 echo "=== Testing snapshotting an image with zero clusters ==="
  49 echo
  50 _make_test_img $IMG_SIZE
  51 # Write some zero clusters
  52 $QEMU_IO -c "write -z 0 256k" "$TEST_IMG" | _filter_qemu_io
  53 # Create a snapshot
  54 $QEMU_IMG snapshot -c foo "$TEST_IMG"
  55 # Check the image (there shouldn't be any errors or leaks)
  56 _check_test_img
  57
  58 # success, all done
  59 echo "*** done"
  60 rm -f $seq.full
  61 status=0