#!/bin/sh
# In coreutils-8.12, rm,du,chmod, etc. would use too much memory
# when processing a directory with many entries (as in > 100,000).

# Copyright (C) 2011-2015 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=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ rm du chmod
require_ulimit_v_

expensive_

# With many files in a single directory...
mkdir d && cd d || framework_failure_
seq 200000|xargs touch || framework_failure_

cd ..

# Restricted to 40MB, each of these coreutils-8.12 programs would fail
# with a diagnostic like "rm: fts_read failed: Cannot allocate memory".
ulimit -v 40000
du -sh d || fail=1
chmod -R 700 d || fail=1
rm -rf d || fail=1

Exit $fail