4 # test of qemu-img convert -n - convert without creation
6 # Copyright (C) 2009 Red Hat, Inc.
7 # Copyright (C) 2013 Alex Bligh (alex@alex.org.uk)
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
24 owner=alex@alex.org.uk
27 echo "QA output created by $seq"
29 status=1 # failure is the default!
34 for img in "$TEST_IMG".{orig,raw1,raw2,target}; do
38 trap "_cleanup; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
45 _supported_fmt qcow qcow2 vmdk qed raw
47 _unsupported_imgopts "subformat=monolithicFlat" \
48 "subformat=twoGbMaxExtentFlat" \
49 "subformat=twoGbMaxExtentSparse" \
50 "subformat=streamOptimized"
54 echo "== Testing conversion with -n fails with no target file =="
55 if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" >/dev/null 2>&1; then
59 echo "== Testing conversion with -n succeeds with a target file =="
60 _rm_test_img "$TEST_IMG.orig"
61 TEST_IMG="$TEST_IMG.orig" _make_test_img 4M
62 if ! $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" ; then
66 echo "== Testing conversion to raw is the same after conversion with -n =="
67 # compare the raw files
68 if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG" "$TEST_IMG.raw1" ; then
72 if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG.orig" "$TEST_IMG.raw2" ; then
76 if ! cmp "$TEST_IMG.raw1" "$TEST_IMG.raw2" ; then
80 echo "== Testing conversion back to original format =="
81 if ! $QEMU_IMG convert -f raw -O $IMGFMT -n "$TEST_IMG.raw2" "$TEST_IMG" ; then
86 echo "== Testing conversion to a smaller file fails =="
87 TEST_IMG="$TEST_IMG.target" _make_test_img 2M
88 if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.target" >/dev/null 2>&1; then
92 echo "== Regression testing for copy offloading bug =="
95 TEST_IMG="$TEST_IMG.target" _make_test_img 1M
96 $QEMU_IO -c 'write -P 1 0 512k' -c 'write -P 2 512k 512k' "$TEST_IMG" | _filter_qemu_io
97 $QEMU_IO -c 'write -P 4 512k 512k' -c 'write -P 3 0 512k' "$TEST_IMG.target" | _filter_qemu_io
98 $QEMU_IMG convert -n -O $IMGFMT "$TEST_IMG" "$TEST_IMG.target"
99 $QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.target"