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-rwxr-xr-xqemu/tests/qemu-iotests/03399
1 files changed, 99 insertions, 0 deletions
diff --git a/qemu/tests/qemu-iotests/033 b/qemu/tests/qemu-iotests/033
new file mode 100755
index 000000000..a61d8ced1
--- /dev/null
+++ b/qemu/tests/qemu-iotests/033
@@ -0,0 +1,99 @@
+#!/bin/bash
+#
+# Test aligned and misaligned write zeroes operations.
+#
+# Copyright (C) 2012 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=pbonzini@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 generic
+_supported_os Linux
+
+
+size=128M
+_make_test_img $size
+
+do_test()
+{
+ local align=$1
+ local iocmd=$2
+ local img=$3
+ {
+ echo "open -o driver=$IMGFMT,file.align=$align blkdebug::$img"
+ echo $iocmd
+ } | $QEMU_IO
+}
+
+for align in 512 4k; do
+ echo
+ echo "== preparing image =="
+ do_test $align "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "write -z 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
+
+ echo
+ echo "== verifying patterns (1) =="
+ do_test $align "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io
+
+ echo
+ echo "== rewriting zeroes =="
+ do_test $align "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "write -z 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
+
+ echo
+ echo "== verifying patterns (2) =="
+ do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
+
+ echo
+ echo "== rewriting unaligned zeroes =="
+ do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "write -z 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
+
+ echo
+ echo "== verifying patterns (3) =="
+ do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io
+
+ echo
+done
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0