tests/qemu-iotests/042

   1 #!/usr/bin/env 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 $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31         _cleanup_test_img
  32 }
  33 trap "_cleanup; exit \$status" 0 1 2 3 15
  34
  35 # get standard environment, filters and checks
  36 . ./common.rc
  37 . ./common.filter
  38
  39 _supported_fmt qcow2 qed
  40 _supported_proto file
  41 _supported_os Linux
  42
  43 echo
  44 echo "== Creating zero size image =="
  45
  46 _make_test_img 0
  47 _check_test_img
  48
  49 mv "$TEST_IMG" "$TEST_IMG.orig"
  50
  51 echo
  52 echo "== Converting the image =="
  53
  54 $QEMU_IMG convert -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG"
  55 _check_test_img
  56
  57 echo
  58 echo "== Converting the image, compressed =="
  59
  60 if [ "$IMGFMT" == "qcow2" ]; then
  61     $QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG"
  62 fi
  63 _check_test_img
  64
  65 echo
  66 echo "== Rebasing the image =="
  67
  68 $QEMU_IMG rebase -u -b "$TEST_IMG.orig" "$TEST_IMG"
  69 $QEMU_IMG rebase -b "$TEST_IMG.orig" "$TEST_IMG"
  70 _check_test_img
  71
  72 # success, all done
  73 echo "*** done"
  74 rm -f $seq.full
  75 status=0
  76