test commiting changes to backing file
[qemu-iotests/stefanha.git] / 014
blobae932c7216cef9bbffde525173579e05da36edc6
1 #!/bin/sh
3 # qcow2 pattern test, complex patterns including compression and snapshots
6 # Copyright (C) 2009 Red Hat, Inc.
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.
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.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 # USA
24 # creator
25 owner=kwolf@redhat.com
27 seq=`basename $0`
28 echo "QA output created by $seq"
30 here=`pwd`
31 tmp=/tmp/$$
32 status=1 # failure is the default!
34 _cleanup()
36 _cleanup_test_img
38 trap "_cleanup; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
41 . ./common.rc
42 . ./common.filter
43 . ./common.pattern
45 # much of this could be generic for any format supporting snapshots
46 _supported_fmt qcow2
47 _supported_os Linux
49 TEST_OFFSETS="0 4294967296"
50 TEST_OPS="writev read write readv"
52 _make_test_img 6G
54 echo "Testing empty image:"
55 for offset in $TEST_OFFSETS; do
56 echo test2: With offset $offset
57 io_test2 $offset
58 _check_test_img
59 done
61 # With snapshots
62 for i in `seq 1 3`; do
63 $QEMU_IMG snapshot -c test$i $TEST_IMG
64 for offset in $TEST_OFFSETS; do
65 echo With snapshot test$i, offset $offset
66 for op in $TEST_OPS; do
67 io_test $op $offset
68 done
69 _check_test_img
70 done
71 done
73 # success, all done
74 echo "*** done"
75 rm -f $seq.full
76 status=0