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1 #!/usr/bin/env bash
2 #
3 # Test qemu-img rebase with zero clusters
4 #
5 # Copyright (C) 2013 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
21 # creator
22 [email protected]
23
24 seq=`basename $0`
25 echo "QA output created by $seq"
26
27 status=1        # failure is the default!
28
29 _cleanup()
30 {
31     _cleanup_test_img
32     _rm_test_img "$TEST_IMG.old"
33     _rm_test_img "$TEST_IMG.new"
34 }
35 trap "_cleanup; exit \$status" 0 1 2 3 15
36
37 # get standard environment, filters and checks
38 . ./common.rc
39 . ./common.filter
40
41 _supported_fmt qcow2 qed
42 _supported_proto file
43
44 echo
45 echo "== Creating images =="
46
47 TEST_IMG_SAVE="$TEST_IMG"
48 TEST_IMG="$TEST_IMG.old"
49
50 size=10M
51 _make_test_img $size
52 $QEMU_IO -c "write -P 0x40 0 1048576" "$TEST_IMG" | _filter_qemu_io
53
54 TEST_IMG="$TEST_IMG_SAVE.new"
55
56 _make_test_img $size
57 $QEMU_IO -c "write -P 0x5a 0 1048576" "$TEST_IMG" | _filter_qemu_io
58
59 TEST_IMG="$TEST_IMG_SAVE"
60
61 _make_test_img -b "$TEST_IMG.old" $size
62 $QEMU_IO -c "write -z 0 1048576" "$TEST_IMG" | _filter_qemu_io
63
64 echo
65 echo "== Rebasing the image =="
66
67 $QEMU_IMG rebase -b "$TEST_IMG.new" "$TEST_IMG"
68 $QEMU_IO -c "read -P 0x00 0 1048576" "$TEST_IMG" | _filter_qemu_io
69
70 # success, all done
71 echo "*** done"
72 rm -f $seq.full
73 status=0
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