xref: /qemu/tests/qemu-iotests/221 (revision 9277d81f)
1#!/bin/bash
2#
3# Test qemu-img vs. unaligned images
4#
5# Copyright (C) 2018 Red Hat, Inc.
6#
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.
11#
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.
16#
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/>.
19#
20
21seq="$(basename $0)"
22echo "QA output created by $seq"
23
24here="$PWD"
25status=1 # failure is the default!
26
27_cleanup()
28{
29    _cleanup_test_img
30}
31trap "_cleanup; exit \$status" 0 1 2 3 15
32
33# get standard environment, filters and checks
34. ./common.rc
35. ./common.filter
36
37_supported_fmt raw
38_supported_proto file
39_supported_os Linux
40
41echo
42echo "=== Check mapping of unaligned raw image ==="
43echo
44
45_make_test_img 43009 # qemu-img create rounds size up
46$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
47
48truncate --size=43009 "$TEST_IMG" # so we resize it and check again
49$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
50
51$QEMU_IO -c 'w 43008 1' "$TEST_IMG" | _filter_qemu_io # writing also rounds up
52$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
53
54truncate --size=43009 "$TEST_IMG" # so we resize it and check again
55$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
56
57# success, all done
58echo '*** done'
59rm -f $seq.full
60status=0
61