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#!/usr/bin/env bash
#
# Test case for nested image formats
#
# 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=mreitz@redhat.com
seq="$(basename $0)"
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt vpc vmdk vhdx vdi qed qcow2 qcow
_supported_proto file
_unsupported_imgopts "subformat=streamOptimized"
IMG_SIZE=64M
echo
echo "=== Testing nested image formats ==="
echo
TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
$QEMU_IO -c 'write -P 42 0 512' -c 'write -P 23 512 512' \
-c 'write -P 66 1024 512' "$TEST_IMG.base" | _filter_qemu_io
$QEMU_IMG convert -f raw -O $IMGFMT "$TEST_IMG.base" "$TEST_IMG"
$QEMU_IO -c "open -o driver=$IMGFMT,file.driver=$IMGFMT,file.file.filename=$TEST_IMG" \
-c 'read -P 42 0 512' -c 'read -P 23 512 512' \
-c 'read -P 66 1024 512' | _filter_qemu_io
# When not giving any format, qemu should open only one "layer". Therefore, this
# should not work for any image formats with a header.
$QEMU_IO -c 'read -P 42 0 512' "$TEST_IMG" | _filter_qemu_io
# success, all done
echo "*** done"
rm -f $seq.full
status=0
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