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#!/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='Ensure parted preserves bootcode in extended partition.'
: ${srcdir=.}
. $srcdir/test-lib.sh
require_512_byte_sector_size_
dev=loop-file
bootcode_size=446
test_expect_success \
'Create the test file' \
'dd if=/dev/zero of=$dev bs=1024c count=100 >/dev/null 2>&1'
test_expect_success \
'Create msdos label' \
'parted -s $dev mklabel msdos > out 2>&1'
test_expect_success 'Expect no output' 'compare out /dev/null'
test_expect_success \
'Create extended partition' \
'parted -s $dev mkpart extended 32s 127s > out 2>&1'
test_expect_success 'Expect no output' 'compare out /dev/null'
test_expect_success \
'Create logical partition' \
'parted -s $dev mkpart logical 64s 127s > out 2>&1'
test_expect_success 'Expect no output' 'compare out /dev/null'
test_expect_success \
'Install fake bootcode' \
'printf %0${bootcode_size}d 0 > in &&
dd if=in of=$dev bs=1c seek=16384 count=$bootcode_size \
conv=notrunc > /dev/null 2>&1'
test_expect_success \
'Save fake bootcode for later comparison' \
'dd if=$dev of=before bs=1 skip=16384 count=$bootcode_size > /dev/null 2>&1'
test_expect_success \
'Do something to the label' \
'parted -s $dev rm 5 > out 2>&1'
test_expect_success 'Expect no output' 'compare out /dev/null'
test_expect_success \
'Extract the bootcode for comparison' \
'dd if=$dev of=after bs=1 skip=16384 count=$bootcode_size > /dev/null 2>&1'
test_expect_success \
'Expect bootcode has not changed' \
'compare before after'
test_done
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