xref: /qemu/tests/qemu-iotests/072 (revision abff1abf)
1#!/usr/bin/env bash
2#
3# Test case for nested image formats
4#
5# Copyright (C) 2013 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
22owner=mreitz@redhat.com
23
24seq="$(basename $0)"
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31	_cleanup_test_img
32}
33trap "_cleanup; exit \$status" 0 1 2 3 15
34
35# get standard environment, filters and checks
36. ./common.rc
37. ./common.filter
38
39_supported_fmt vpc vmdk vhdx vdi qed qcow2 qcow
40_supported_proto file
41_unsupported_imgopts "subformat=streamOptimized"
42
43IMG_SIZE=64M
44
45echo
46echo "=== Testing nested image formats ==="
47echo
48
49TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
50
51$QEMU_IO -c 'write -P 42 0 512' -c 'write -P 23 512 512' \
52         -c 'write -P 66 1024 512' "$TEST_IMG.base" | _filter_qemu_io
53
54$QEMU_IMG convert -f raw -O $IMGFMT "$TEST_IMG.base" "$TEST_IMG"
55
56$QEMU_IO -c "open -o driver=$IMGFMT,file.driver=$IMGFMT,file.file.filename=$TEST_IMG" \
57         -c 'read -P 42 0 512' -c 'read -P 23 512 512' \
58         -c 'read -P 66 1024 512' | _filter_qemu_io
59
60# When not giving any format, qemu should open only one "layer". Therefore, this
61# should not work for any image formats with a header.
62$QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
63
64# success, all done
65echo "*** done"
66rm -f $seq.full
67status=0
68