qemu-iotests: test bdrv_load/save_vmstate

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

tests/qemu-iotests/022

@@ -0,0 +1,65 @@
+#!/bin/sh
+#
+# Test bdrv_load/save_vmstate using the usual patterns
+#
+# Copyright (C) 2009 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+# USA
+#
+
+# creator
+owner=kwolf@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
+. ./common.pattern
+
+# Any format that supports snapshots
+_supported_fmt qcow2
+_supported_os Linux
+
+TEST_OFFSETS="10485760 4294967296"
+
+_make_test_img 6G
+
+echo "Testing empty image"
+echo
+
+for offset in $TEST_OFFSETS; do
+    echo "At offset $offset:"
+    io_test "write -b" $offset
+    io_test "read -b" $offset
+    _check_test_img
+done
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0

tests/qemu-iotests/group

@@ -28,3 +28,4 @@
 019 rw backing auto
 020 rw backing auto
 021 io auto
+022 rw snapshot auto