# Process this file with autom4te to create testsuite. -*- Autotest -*-
#
# Test suite for GNU tar.
# Copyright 2014-2021 Free Software Foundation, Inc.

# This file is part of GNU tar.

# GNU tar 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.

# GNU tar 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/>.

AT_SETUP([storing sparse file using seek method])
AT_KEYWORDS([sparse sparse06 chdir])

m4_define([check_pattern],[
rm -rf out archive.tar smallsparse && mkdir out
genfile --sparse --quiet --file smallsparse $1 || AT_SKIP_TEST
tar -cSf archive.tar smallsparse
tar -xf archive.tar -C out
cmp smallsparse out/smallsparse
])

AT_TAR_CHECK([
AT_SEEKHOLE_PREREQ

TAR_OPTIONS="$TAR_OPTIONS --hole-detection=seek"
genfile --sparse --file bigsparse 0 ABC 8G DEF || AT_SKIP_TEST
tar -cSf a bigsparse
test $? -eq 0 || exit 1

check_pattern([0 ABC])
check_pattern([0 ABC 10M])
check_pattern([0 ABC 10M DEF])

check_pattern([10M])
check_pattern([10M ABC])
check_pattern([10M ABC 20M])

check_pattern([10M DEF 20M GHI 30M JKL 40M])

],
[0],,
[],,,[posix])

AT_CLEANUP