xref: /qemu/tests/qemu-iotests/048 (revision bfa3ab61)
1#!/bin/bash
2##
3## qemu-img compare test
4##
5##
6## Copyright (C) 2013 Red Hat, Inc.
7##
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.
12##
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.
17##
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/>.
20##
21#
22# creator
23owner=mrezanin@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1        # failure is the default!
29
30_cleanup()
31{
32    echo "Cleanup"
33    _cleanup_test_img
34    rm "${TEST_IMG2}"
35}
36trap "_cleanup; exit \$status" 0 1 2 3 15
37
38_compare()
39{
40    $QEMU_IMG compare "$@" "$TEST_IMG" "${TEST_IMG2}"
41    echo $?
42}
43
44# get standard environment, filters and checks
45. ./common.rc
46. ./common.filter
47. ./common.pattern
48
49_supported_fmt raw qcow qcow2 qed
50_supported_proto file
51_supported_os Linux
52
53# Setup test basic parameters
54TEST_IMG2=$TEST_IMG.2
55CLUSTER_SIZE=4096
56size=1024M
57
58_make_test_img $size
59io_pattern write 524288 $CLUSTER_SIZE $CLUSTER_SIZE 4 45
60
61# Compare identical images
62cp "$TEST_IMG" "${TEST_IMG2}"
63_compare
64_compare -q
65
66# Compare images with different size
67$QEMU_IMG resize -f $IMGFMT "$TEST_IMG" +512M
68_compare
69_compare -s
70
71# Compare images with different content
72io_pattern write 1228800 $CLUSTER_SIZE 0 1 67
73_compare
74io_pattern write 0 $CLUSTER_SIZE 0 1 123
75_compare
76
77# Test unaligned case of mismatch offsets in allocated clusters
78_make_test_img $size
79io_pattern write 0 512 0 1 100
80cp "$TEST_IMG" "$TEST_IMG2"
81io_pattern write 512 512 0 1 101
82_compare
83
84# Cleanup
85status=0
86