test qemu-img rebase
[qemu-iotests/stefanha.git] / 002
bloba634e1e2902ab8d84b50e6b69784e0c7f9cb2987
1 #!/bin/sh
3 # Test simple read/write using plain bdrv_pread/bdrv_pwrite
5 # Copyright (C) 2009 Red Hat, Inc.
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.
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.
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/>.
21 # creator
22 owner=hch@lst.de
24 seq=`basename $0`
25 echo "QA output created by $seq"
27 here=`pwd`
28 tmp=/tmp/$$
29 status=1 # failure is the default!
31 _cleanup()
33 _cleanup_test_img
35 trap "_cleanup; exit \$status" 0 1 2 3 15
37 # get standard environment, filters and checks
38 . ./common.rc
39 . ./common.filter
41 _supported_fmt generic
42 _supported_os Linux
45 size=128M
46 _make_test_img $size
48 echo
49 echo "== reading whole image =="
50 $QEMU_IO -c "read -p 0 $size" $TEST_IMG | _filter_qemu_io
52 echo
53 echo "== rewriting whole image =="
54 $QEMU_IO -c "write -pP 0xa 0 $size" $TEST_IMG | _filter_qemu_io
56 echo
57 echo "== verify pattern =="
58 $QEMU_IO -c "read -pP 0xa 0 $size" $TEST_IMG | _filter_qemu_io
60 echo
61 echo "unaligned pwrite"
62 $QEMU_IO -c 'write -pP 0xab 66 42' $TEST_IMG | _filter_qemu_io
64 echo
65 echo "verify pattern"
66 $QEMU_IO -c 'read -pP 0xab 66 42' $TEST_IMG | _filter_qemu_io
68 # success, all done
69 echo "*** done"
70 rm -f $seq.full
71 status=0