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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /tests/qemu-iotests/052 | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'tests/qemu-iotests/052')
-rwxr-xr-x | tests/qemu-iotests/052 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/tests/qemu-iotests/052 b/tests/qemu-iotests/052 new file mode 100755 index 00000000..61959e28 --- /dev/null +++ b/tests/qemu-iotests/052 @@ -0,0 +1,63 @@ +#!/bin/bash +# +# Test bdrv_read/bdrv_write using BDRV_O_SNAPSHOT +# +# 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=stefanha@redhat.com + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +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 generic +_supported_proto file +_supported_os Linux + +# Don't do O_DIRECT on tmpfs +_supported_cache_modes "writeback" "writethrough" "unsafe" + +size=128M +_make_test_img $size + +echo +echo "== reading whole image ==" +$QEMU_IO -s -c "read 0 $size" "$TEST_IMG" | _filter_qemu_io + +echo +echo "== writing whole image does not modify image ==" +$QEMU_IO -s -c "write -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io +$QEMU_IO -c "read -P 0 0 $size" "$TEST_IMG" | _filter_qemu_io + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 |