|  | #!/bin/bash | 
|  | ## | 
|  | ## qemu-img compare test | 
|  | ## | 
|  | ## | 
|  | ## Copyright (C) 2013 Red Hat, Inc. | 
|  | ## | 
|  | ## This program is free software; you can redistribute it and/or modify | 
|  | ## it under the terms of the GNU General Public License as published by | 
|  | ## the Free Software Foundation; either version 2 of the License, or | 
|  | ## (at your option) any later version. | 
|  | ## | 
|  | ## This program is distributed in the hope that it will be useful, | 
|  | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | ## GNU General Public License for more details. | 
|  | ## | 
|  | ## You should have received a copy of the GNU General Public License | 
|  | ## along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
|  | ## | 
|  | # | 
|  | # creator | 
|  | owner=mrezanin@redhat.com | 
|  |  | 
|  | seq=`basename $0` | 
|  | echo "QA output created by $seq" | 
|  |  | 
|  | status=1        # failure is the default! | 
|  |  | 
|  | _cleanup() | 
|  | { | 
|  | echo "Cleanup" | 
|  | _cleanup_test_img | 
|  | rm "${TEST_IMG2}" | 
|  | } | 
|  | trap "_cleanup; exit \$status" 0 1 2 3 15 | 
|  |  | 
|  | _compare() | 
|  | { | 
|  | $QEMU_IMG compare "$@" "$TEST_IMG" "${TEST_IMG2}" | 
|  | echo $? | 
|  | } | 
|  |  | 
|  | # get standard environment, filters and checks | 
|  | . ./common.rc | 
|  | . ./common.filter | 
|  | . ./common.pattern | 
|  |  | 
|  | _supported_fmt raw qcow qcow2 qed | 
|  | _supported_proto file | 
|  | _supported_os Linux | 
|  |  | 
|  | # Setup test basic parameters | 
|  | TEST_IMG2=$TEST_IMG.2 | 
|  | CLUSTER_SIZE=4096 | 
|  | size=1024M | 
|  |  | 
|  | _make_test_img $size | 
|  | io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45 | 
|  |  | 
|  | # Compare identical images | 
|  | cp "$TEST_IMG" "${TEST_IMG2}" | 
|  | _compare | 
|  | _compare -q | 
|  |  | 
|  | # Compare images with different size | 
|  | $QEMU_IMG resize "$TEST_IMG" +512M | 
|  | _compare | 
|  | _compare -s | 
|  |  | 
|  | # Compare images with different content | 
|  | io_pattern write 1228800 $CLUSTER_SIZE 0 1 67 | 
|  | _compare | 
|  | io_pattern write 0 $CLUSTER_SIZE 0 1 123 | 
|  | _compare | 
|  |  | 
|  | # Cleanup | 
|  | status=0 |