3 # qcow2 pattern test, empty and compressed image
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, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 owner
=kwolf@redhat.com
27 echo "QA output created by $seq"
31 status
=1 # failure is the default!
37 trap "_cleanup; exit \$status" 0 1 2 3 15
39 # get standard environment, filters and checks
44 # much of this could be generic for any format supporting compression.
48 TEST_OFFSETS
="0 4294967296"
49 TEST_OPS
="writev read write readv"
53 echo "Testing empty image"
56 for offset
in $TEST_OFFSETS; do
57 echo "At offset $offset:"
58 for op
in $TEST_OPS; do
65 echo "Compressing image"
68 mv $TEST_IMG $TEST_IMG.orig
69 $QEMU_IMG convert
-f qcow2
-O qcow2
-c $TEST_IMG.orig
$TEST_IMG
71 echo "Testing compressed image"
74 for offset
in $TEST_OFFSETS; do
75 echo "With offset $offset:"
76 for op
in read readv
; do
82 echo "Testing compressed image with odd offsets"
84 for offset
in $TEST_OFFSETS; do
85 # Some odd offset (1 sector), so tests will write to areas occupied partly
86 # by old (compressed) data and empty clusters
87 offset
=$
((offset
+ 512))
88 echo "With offset $offset:"
89 for op
in $TEST_OPS; do