--- /dev/null
+#!/bin/sh
+
+# Copyright (C) 2009 Free Software Foundation, 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 3 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/>.
+
+test_description='Preserve first 446B of the Protected MBR for gpt partitions.'
+
+: ${srcdir=.}
+. $srcdir/test-lib.sh
+
+dev=loop-file
+test_expect_success \
+ 'Create a 100k test file with random content' \
+ 'dd if=/dev/urandom of=$dev bs=1c count=446 &&
+ dd if=/dev/zero of=$dev bs=1c seek=446 count=101954 > /dev/null 2>&1'
+
+test_expect_success \
+ 'Extract the first 446 Bytes before GPT creation' \
+ 'dd if=$dev of=before bs=1c count=446 > /dev/null 2>&1'
+
+test_expect_success \
+ 'create a GPT partition table' \
+ 'parted -s $dev mklabel gpt > out 2>&1'
+test_expect_success 'expect no output' 'compare out /dev/null'
+
+test_expect_success \
+ 'Extract the first 446 Bytes after GPT creation' \
+ 'dd if=$dev of=after bs=1c count=446 > /dev/null 2>&1'
+
+test_expect_success \
+ 'Compare the before and after' \
+ 'compare before after'
+
+test_done