tests/basenc/bounded-memory.sh
#!/bin/sh
# Test that basenc can work on files larger than the systems memory.

# Copyright (C) 2025 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 <https://www.gnu.org/licenses/>.

. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ basenc

vm=$(get_min_ulimit_v_ basenc --base64 /dev/null)

# Check all except for --base58.
for algorithm in '--base64' '--base64url' '--base32' '--base32hex' '--base16' \
                 '--base2msbf' '--base2lsbf' '--z85'; do
  timeout 0.5 $SHELL -c \
    "(ulimit -v $(($vm+6000)) \
      && basenc $algorithm </dev/zero >/dev/null 2>err)"
  ret=$?
  test -f err || skip_ 'shell ulimit failure'
  test $ret = 124 || {
    fail=1
    cat err
    echo "basenc $algorithm used too much memory" >&2
  }
done

Exit $fail
