[PULL,12/18] qemu-iotests: add test for qcow2 preallocation with different cluster sizes

diff --git a/tests/qemu-iotests/079 b/tests/qemu-iotests/079
new file mode 100755
index 0000000..2142bbb
--- /dev/null
+++ b/tests/qemu-iotests/079
@@ -0,0 +1,63 @@ 
+#!/bin/bash
+#
+# Test qcow2 preallocation with different cluster_sizes
+#
+# Copyright (C) 2014 Fujitsu.
+#
+# 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=hutao@cn.fujitsu.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
+
+function test_qemu_img()
+{
+    echo qemu-img "$@" | _filter_testdir
+    $QEMU_IMG "$@" 2>&1 | _filter_testdir
+    echo
+}
+
+echo "=== Check option preallocation and cluster_size ==="
+echo
+cluster_sizes="16384 32768 65536 131072 262144 524288 1048576 2097152 4194304"
+
+for s in $cluster_sizes; do
+    test_qemu_img create -f $IMGFMT -o preallocation=metadata,cluster_size=$s "$TEST_IMG" 4G
+done
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/079.out b/tests/qemu-iotests/079.out
new file mode 100644
index 0000000..ef4b8c9
--- /dev/null
+++ b/tests/qemu-iotests/079.out
@@ -0,0 +1,32 @@ 
+QA output created by 079
+=== Check option preallocation and cluster_size ===
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=16384 TEST_DIR/t.qcow2 4G
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=16384 preallocation='metadata' lazy_refcounts=off
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=32768 TEST_DIR/t.qcow2 4G
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=32768 preallocation='metadata' lazy_refcounts=off
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=65536 TEST_DIR/t.qcow2 4G
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=65536 preallocation='metadata' lazy_refcounts=off
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=131072 TEST_DIR/t.qcow2 4G
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=131072 preallocation='metadata' lazy_refcounts=off
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=262144 TEST_DIR/t.qcow2 4G
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=262144 preallocation='metadata' lazy_refcounts=off
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=524288 TEST_DIR/t.qcow2 4G
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=524288 preallocation='metadata' lazy_refcounts=off
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=1048576 TEST_DIR/t.qcow2 4G
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=1048576 preallocation='metadata' lazy_refcounts=off
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=2097152 TEST_DIR/t.qcow2 4G
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=2097152 preallocation='metadata' lazy_refcounts=off
+
+qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=4194304 TEST_DIR/t.qcow2 4G
+qemu-img: TEST_DIR/t.qcow2: Cluster size must be a power of two between 512 and 2048k
+Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=4294967296 encryption=off cluster_size=4194304 preallocation='metadata' lazy_refcounts=off
+
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 03c762f..d8be74a 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -82,3 +82,4 @@ 
 073 rw auto
 074 rw auto
 077 rw auto
+079 rw auto