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-rwxr-xr-xqemu/tests/qemu-iotests/023120
1 files changed, 120 insertions, 0 deletions
diff --git a/qemu/tests/qemu-iotests/023 b/qemu/tests/qemu-iotests/023
new file mode 100755
index 000000000..9ad06b990
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+++ b/qemu/tests/qemu-iotests/023
@@ -0,0 +1,120 @@
+#!/bin/bash
+#
+# qcow2 pattern test with various cluster sizes
+#
+# 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, see <http://www.gnu.org/licenses/>.
+#
+
+# 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
+
+# much of this could be generic for any format supporting compression.
+_supported_fmt qcow qcow2
+_supported_proto file
+_supported_os Linux
+
+TEST_OFFSETS="0 4294967296"
+TEST_OPS="writev read write readv"
+
+# Can't use 512 byte clusters, the tests use cluster halves
+CLUSTER_SIZES="1024 4096 16384 65536"
+
+for CLUSTER_SIZE in $CLUSTER_SIZES; do
+
+ echo "Creating new image; cluster size: $CLUSTER_SIZE"
+ echo
+
+ _make_test_img 8G
+
+ echo "Testing empty image"
+ echo
+
+ for offset in $TEST_OFFSETS; do
+ echo "At offset $offset:"
+ for op in $TEST_OPS; do
+ io_test $op $offset $CLUSTER_SIZE 3
+ done
+ _check_test_img
+ done
+
+ echo "Compressing image"
+ echo
+
+ mv "$TEST_IMG" "$TEST_IMG.orig"
+ $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG"
+
+ echo "Testing compressed image"
+ echo
+
+ for offset in $TEST_OFFSETS; do
+ echo "With offset $offset:"
+ for op in read readv; do
+ io_test $op $offset $CLUSTER_SIZE 3
+ done
+ _check_test_img
+ done
+
+ echo "Testing compressed image with odd offsets"
+ echo
+ for offset in $TEST_OFFSETS; do
+ # Some odd offset (1 sector), so tests will write to areas occupied partly
+ # by old (compressed) data and empty clusters
+ offset=$((offset + 512))
+ echo "With offset $offset:"
+ for op in $TEST_OPS; do
+ io_test $op $offset $CLUSTER_SIZE 3
+ done
+ _check_test_img
+ done
+
+ echo "Creating another new image"
+ echo
+
+ _make_test_img 8G
+
+ echo "More complex patterns"
+ echo
+
+ for offset in $TEST_OFFSETS; do
+ echo test2: With offset $offset
+ io_test2 $offset $CLUSTER_SIZE 4
+ _check_test_img
+ done
+
+done
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0