xref: /openbmc/qemu/tests/qemu-iotests/050 (revision 0e324626)
1#!/usr/bin/env bash
2# group: rw auto backing quick
3#
4# Test qemu-img rebase with zero clusters
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=pbonzini@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30_cleanup()
31{
32    _cleanup_test_img
33    _rm_test_img "$TEST_IMG.old"
34    _rm_test_img "$TEST_IMG.new"
35}
36trap "_cleanup; exit \$status" 0 1 2 3 15
37
38# get standard environment, filters and checks
39. ./common.rc
40. ./common.filter
41
42_supported_fmt qcow2 qed
43_supported_proto file fuse
44
45echo
46echo "== Creating images =="
47
48TEST_IMG_SAVE="$TEST_IMG"
49TEST_IMG="$TEST_IMG.old"
50
51size=10M
52_make_test_img $size
53$QEMU_IO -c "write -P 0x40 0 1048576" "$TEST_IMG" | _filter_qemu_io
54
55TEST_IMG="$TEST_IMG_SAVE.new"
56
57_make_test_img $size
58$QEMU_IO -c "write -P 0x5a 0 1048576" "$TEST_IMG" | _filter_qemu_io
59
60TEST_IMG="$TEST_IMG_SAVE"
61
62_make_test_img -b "$TEST_IMG.old" -F $IMGFMT $size
63$QEMU_IO -c "write -z 0 1048576" "$TEST_IMG" | _filter_qemu_io
64
65echo
66echo "== Rebasing the image =="
67
68$QEMU_IMG rebase -b "$TEST_IMG.new" -F $IMGFMT "$TEST_IMG"
69$QEMU_IO -c "read -P 0x00 0 1048576" "$TEST_IMG" | _filter_qemu_io
70
71# success, all done
72echo "*** done"
73rm -f $seq.full
74status=0
75