tests/qemu-iotests/042

   1 #!/bin/bash
   2 #
   3 # Test qemu-img operation on zero size images
   4 #
   5 # Copyright (C) 2012 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=kwolf@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 qcow2 qcow qed vmdk
  42 _supported_proto file
  43 _supported_os Linux
  44
  45 echo
  46 echo "== Creating zero size image =="
  47
  48 _make_test_img 0
  49 _check_test_img
  50
  51 mv $TEST_IMG $TEST_IMG.orig
  52
  53 echo
  54 echo "== Converting the image =="
  55
  56 $QEMU_IMG convert -O $IMGFMT $TEST_IMG.orig $TEST_IMG
  57 _check_test_img
  58
  59 echo
  60 echo "== Converting the image, compressed =="
  61
  62 if [ "$IMGFMT" == "qcow2" ]; then
  63     $QEMU_IMG convert -c -O $IMGFMT $TEST_IMG.orig $TEST_IMG
  64 fi
  65 _check_test_img
  66
  67 echo
  68 echo "== Rebasing the image =="
  69
  70 $QEMU_IMG rebase -u -b $TEST_IMG.orig $TEST_IMG
  71 $QEMU_IMG rebase -b $TEST_IMG.orig $TEST_IMG
  72 _check_test_img
  73
  74 # success, all done
  75 echo "*** done"
  76 rm -f $seq.full
  77 status=0
  78