3 # test of qemu-img convert -n - convert without creation
5 # Copyright (C) 2009 Red Hat, Inc.
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.
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.
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/>.
26 echo "QA output created by $seq"
28 status=1 # failure is the default!
33 for img in "$TEST_IMG".{orig,raw1,raw2,target}; do
37 trap "_cleanup; exit \$status" 0 1 2 3 15
39 # get standard environment, filters and checks
44 _supported_fmt qcow qcow2 vmdk qed raw
46 _unsupported_imgopts "subformat=monolithicFlat" \
47 "subformat=twoGbMaxExtentFlat" \
48 "subformat=twoGbMaxExtentSparse" \
49 "subformat=streamOptimized"
53 echo "== Testing conversion with -n fails with no target file =="
54 # check .orig file does not exist
55 rm -f "$TEST_IMG.orig"
56 if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" >/dev/null 2>&1; then
60 echo "== Testing conversion with -n succeeds with a target file =="
61 rm -f "$TEST_IMG.orig"
62 cp "$TEST_IMG" "$TEST_IMG.orig"
63 if ! $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" ; then
67 echo "== Testing conversion to raw is the same after conversion with -n =="
68 # compare the raw files
69 if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG" "$TEST_IMG.raw1" ; then
73 if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG.orig" "$TEST_IMG.raw2" ; then
77 if ! cmp "$TEST_IMG.raw1" "$TEST_IMG.raw2" ; then
81 echo "== Testing conversion back to original format =="
82 if ! $QEMU_IMG convert -f raw -O $IMGFMT -n "$TEST_IMG.raw2" "$TEST_IMG" ; then
87 echo "== Testing conversion to a smaller file fails =="
88 rm -f "$TEST_IMG.orig"
89 mv "$TEST_IMG" "$TEST_IMG.orig"
91 if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG.orig" "$TEST_IMG" >/dev/null 2>&1; then
95 echo "== Regression testing for copy offloading bug =="
98 TEST_IMG="$TEST_IMG.target" _make_test_img 1M
99 $QEMU_IO -c 'write -P 1 0 512k' -c 'write -P 2 512k 512k' "$TEST_IMG" | _filter_qemu_io
100 $QEMU_IO -c 'write -P 4 512k 512k' -c 'write -P 3 0 512k' "$TEST_IMG.target" | _filter_qemu_io
101 $QEMU_IMG convert -n -O $IMGFMT "$TEST_IMG" "$TEST_IMG.target"
102 $QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.target"