3 ## qemu-img compare test
6 ## Copyright (C) 2013 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, see <http://www.gnu.org/licenses/>.
23 owner
=mrezanin@redhat.com
26 echo "QA output created by $seq"
28 status
=1 # failure is the default!
36 trap "_cleanup; exit \$status" 0 1 2 3 15
40 $QEMU_IMG compare
"$@" "$TEST_IMG" "${TEST_IMG2}"
44 # get standard environment, filters and checks
49 _supported_fmt raw qcow qcow2 qed
53 # Setup test basic parameters
59 io_pattern
write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45
61 # Compare identical images
62 cp "$TEST_IMG" "${TEST_IMG2}"
66 # Compare images with different size
67 $QEMU_IMG resize
"$TEST_IMG" +512M
71 # Compare images with different content
72 io_pattern
write 1228800 $CLUSTER_SIZE 0 1 67
74 io_pattern
write 0 $CLUSTER_SIZE 0 1 123
77 # Test unaligned case of mismatch offsets in allocated clusters
79 io_pattern
write 0 512 0 1 100
80 cp "$TEST_IMG" "$TEST_IMG2"
81 io_pattern
write 512 512 0 1 101