From 1b2dd0bee6bd03045b90c8a7549c8134466b2938 Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Thu, 16 Oct 2014 15:25:57 +0200 Subject: [PATCH] iotests: Add test for qcow2 L1 table update Updating the L1 table should not result in random data being written. This adds a test for that. Signed-off-by: Max Reitz Reviewed-by: Eric Blake Signed-off-by: Kevin Wolf --- tests/qemu-iotests/107 | 61 ++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/107.out | 10 +++++++ tests/qemu-iotests/group | 1 + 3 files changed, 72 insertions(+) create mode 100755 tests/qemu-iotests/107 create mode 100644 tests/qemu-iotests/107.out diff --git a/tests/qemu-iotests/107 b/tests/qemu-iotests/107 new file mode 100755 index 0000000000..cad1cf98a0 --- /dev/null +++ b/tests/qemu-iotests/107 @@ -0,0 +1,61 @@ +#!/bin/bash +# +# Tests updates of the qcow2 L1 table +# +# Copyright (C) 2014 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 . +# + +# creator +owner=mreitz@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 qcow2 +_supported_proto file +_supported_os Linux + + +IMG_SIZE=64K + +echo +echo '=== Updates should not write random data ===' +echo + +_make_test_img $IMG_SIZE +$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io +$QEMU_IO -c "open -o driver=raw $TEST_IMG" -c 'read -p -P 0 196616 65528' \ + | _filter_qemu_io + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 + diff --git a/tests/qemu-iotests/107.out b/tests/qemu-iotests/107.out new file mode 100644 index 0000000000..93445b731f --- /dev/null +++ b/tests/qemu-iotests/107.out @@ -0,0 +1,10 @@ +QA output created by 107 + +=== Updates should not write random data === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=65536 +wrote 65536/65536 bytes at offset 0 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 65528/65528 bytes at offset 196616 +63.992 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index c9752e9f0b..9bbd5d3a17 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -107,4 +107,5 @@ 103 rw auto quick 104 rw auto 105 rw auto quick +107 rw auto quick 108 rw auto quick