xref: /qemu/tests/qemu-iotests/022 (revision 5ac034b1)
1#!/usr/bin/env bash
2# group: rw snapshot auto
3#
4# Test bdrv_load/save_vmstate using the usual patterns
5#
6# Copyright (C) 2009 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 <https://www.gnu.org/licenses/>.
20#
21
22# creator
23owner=kwolf@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. ./common.pattern
40
41# Any format that supports snapshots
42_supported_fmt qcow2
43_supported_proto generic
44
45TEST_OFFSETS="10485760 4294967296"
46CLUSTER_SIZE="4096"
47
48_make_test_img 6G
49
50echo "Testing empty image"
51echo
52
53for offset in $TEST_OFFSETS; do
54    echo "At offset $offset:"
55    io_test "write -b" $offset $CLUSTER_SIZE 8
56    io_test "read -b" $offset $CLUSTER_SIZE 8
57    _check_test_img
58done
59
60# success, all done
61echo "*** done"
62rm -f $seq.full
63status=0
64