From 9c944d92baa1900ad52bbea347ca518db025cfb9 Mon Sep 17 00:00:00 2001
From: Joel Granados Moreno <jgranado@redhat.com>
Date: Wed, 3 Jun 2009 20:36:56 +0200
Subject: [PATCH] tests: ensure that we preserve the first 446 byts of a GPT
 pmbr

* tests/t0202-gpt-pmbr.sh: Ensure that the first 446 bytes are
unchanged after creating a GPT partition.
---
 tests/Makefile.am       |  1 +
 tests/t0202-gpt-pmbr.sh | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100755 tests/t0202-gpt-pmbr.sh

diff --git a/tests/Makefile.am b/tests/Makefile.am
index de09d38..7b532ff 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -3,6 +3,7 @@ TESTS = \
   t0100-print.sh \
   t0200-gpt.sh \
   t0201-gpt.sh \
+  t0202-gpt-pmbr.sh \
   t1000-mkpartfs.sh \
   t1100-busy-label.sh \
   t1500-small-ext2.sh \
diff --git a/tests/t0202-gpt-pmbr.sh b/tests/t0202-gpt-pmbr.sh
new file mode 100755
index 0000000..2c365c2
--- /dev/null
+++ b/tests/t0202-gpt-pmbr.sh
@@ -0,0 +1,46 @@
+#!/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
-- 
2.11.0