1 files changed, 59 insertions, 0 deletions
diff --git a/tests/t2300-dos-label-extended-bootcode.sh b/tests/t2300-dos-label-extended-bootcode.sh
new file mode 100755
index 0000000..e3dfaf7
--- /dev/null
+++ b/tests/t2300-dos-label-extended-bootcode.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+# Ensure parted preserves bootcode in extended partition.
+
+# Copyright (C) 2009-2014, 2019-2023 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/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
+
+require_512_byte_sector_size_
+
+dev=loop-file
+bootcode_size=446
+
+# Create the test file
+dd if=/dev/zero of=$dev bs=1M count=4 || fail=1
+
+# Create msdos label
+parted -s $dev mklabel msdos > out 2>&1 || fail=1
+compare /dev/null out || fail=1 # Expect no output
+
+# Create extended partition
+parted -s $dev mkpart extended 2048s 8191s > out 2>&1 || fail=1
+compare /dev/null out || fail=1 # Expect no output
+
+# Create logical partition
+parted -s $dev mkpart logical 4096s 8191s > out 2>&1 || fail=1
+compare /dev/null out || fail=1 # Expect no output
+
+# Install fake bootcode
+printf %0${bootcode_size}d 0 > in || fail=1
+dd if=in of=$dev bs=1c seek=1M count=$bootcode_size \
+  conv=notrunc > /dev/null 2>&1 || fail=1
+
+# Save fake bootcode for later comparison
+dd if=$dev of=before bs=1 skip=1M count=$bootcode_size || fail=1
+
+# Do something to the label
+parted -s $dev rm 5 > out 2>&1 || fail=1
+compare /dev/null out || fail=1 # Expect no output
+
+# Extract the bootcode for comparison
+dd if=$dev of=after bs=1 skip=1M count=$bootcode_size || fail=1
+
+# Expect bootcode has not changed
+compare before after || fail=1
+
+Exit $fail