xref: /qemu/tests/qemu-iotests/072 (revision b2a3cbb8)
1#!/usr/bin/env bash
2# group: rw auto quick
3#
4# Test case for nested image formats
5#
6# Copyright (C) 2013 Red Hat, Inc.
7#
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.
12#
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.
17#
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/>.
20#
21
22# creator
23owner=hreitz@redhat.com
24
25seq="$(basename $0)"
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30_cleanup()
31{
32	_cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt vpc vmdk vhdx vdi qed qcow2 qcow
41_supported_proto file
42_unsupported_imgopts "subformat=streamOptimized"
43
44IMG_SIZE=64M
45
46echo
47echo "=== Testing nested image formats ==="
48echo
49
50TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
51
52$QEMU_IO -c 'write -P 42 0 512' -c 'write -P 23 512 512' \
53         -c 'write -P 66 1024 512' "$TEST_IMG.base" | _filter_qemu_io
54
55$QEMU_IMG convert -f raw -O $IMGFMT "$TEST_IMG.base" "$TEST_IMG"
56
57$QEMU_IO -c "open -o driver=$IMGFMT,file.driver=$IMGFMT,file.file.filename=$TEST_IMG" \
58         -c 'read -P 42 0 512' -c 'read -P 23 512 512' \
59         -c 'read -P 66 1024 512' | _filter_qemu_io
60
61# When not giving any format, qemu should open only one "layer". Therefore, this
62# should not work for any image formats with a header.
63$QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
64
65# success, all done
66echo "*** done"
67rm -f $seq.full
68status=0
69