]> Git Repo - qemu.git/blob - tests/qemu-iotests/160
block: Use JSON null instead of "" to disable backing file
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1 #! /bin/bash
2 #
3 # qemu-img dd test for the skip option
4 #
5 # Copyright (C) 2016 Reda Sallahi
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 [email protected]
22
23 seq="$(basename $0)"
24 echo "QA output created by $seq"
25
26 here="$PWD"
27 status=1
28
29 _cleanup()
30 {
31     _cleanup_test_img
32     rm -f "$TEST_IMG.out" "$TEST_IMG.out.dd"
33 }
34 trap "_cleanup; exit \$status" 0 1 2 3 15
35
36 . ./common.rc
37 . ./common.filter
38 . ./common.pattern
39
40 _supported_fmt raw
41 _supported_proto file
42 _supported_os Linux
43
44 TEST_SKIP_BLOCKS="1 2 30 30K"
45
46 for skip in $TEST_SKIP_BLOCKS; do
47     echo
48     echo "== Creating image =="
49
50     size=1M
51     _make_test_img $size
52     _check_test_img
53     $QEMU_IO -c "write -P 0xa 24 512k" "$TEST_IMG" | _filter_qemu_io
54
55     echo
56     echo "== Converting the image with dd with skip=$skip =="
57
58     $QEMU_IMG dd if="$TEST_IMG" of="$TEST_IMG.out" skip="$skip" -O "$IMGFMT" \
59         2> /dev/null
60     TEST_IMG="$TEST_IMG.out" _check_test_img
61     dd if="$TEST_IMG" of="$TEST_IMG.out.dd" skip="$skip" status=none
62
63     echo
64     echo "== Compare the images with qemu-img compare =="
65
66     $QEMU_IMG compare "$TEST_IMG.out.dd" "$TEST_IMG.out"
67 done
68
69 echo
70 echo "*** done"
71 rm -f "$seq.full"
72 status=0
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