xref: /qemu/tests/qemu-iotests/050 (revision abff1abf)
1#!/usr/bin/env bash
2#
3# Test qemu-img rebase with zero clusters
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=pbonzini@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31    _cleanup_test_img
32    _rm_test_img "$TEST_IMG.old"
33    _rm_test_img "$TEST_IMG.new"
34}
35trap "_cleanup; exit \$status" 0 1 2 3 15
36
37# get standard environment, filters and checks
38. ./common.rc
39. ./common.filter
40
41_supported_fmt qcow2 qed
42_supported_proto file
43
44echo
45echo "== Creating images =="
46
47TEST_IMG_SAVE="$TEST_IMG"
48TEST_IMG="$TEST_IMG.old"
49
50size=10M
51_make_test_img $size
52$QEMU_IO -c "write -P 0x40 0 1048576" "$TEST_IMG" | _filter_qemu_io
53
54TEST_IMG="$TEST_IMG_SAVE.new"
55
56_make_test_img $size
57$QEMU_IO -c "write -P 0x5a 0 1048576" "$TEST_IMG" | _filter_qemu_io
58
59TEST_IMG="$TEST_IMG_SAVE"
60
61_make_test_img -b "$TEST_IMG.old" -F $IMGFMT $size
62$QEMU_IO -c "write -z 0 1048576" "$TEST_IMG" | _filter_qemu_io
63
64echo
65echo "== Rebasing the image =="
66
67$QEMU_IMG rebase -b "$TEST_IMG.new" -F $IMGFMT "$TEST_IMG"
68$QEMU_IO -c "read -P 0x00 0 1048576" "$TEST_IMG" | _filter_qemu_io
69
70# success, all done
71echo "*** done"
72rm -f $seq.full
73status=0
74