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#!/bin/sh
# Check the handling of characters outside the Unicode BMP.
# Copyright (C) 2013-2020 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=.}/init.sh"; path_prepend_ ../src
require_en_utf8_locale_
require_compiled_in_MB_support
fail=0
printf '\360\220\220\205\n' > in || framework_failure_
# On platforms where wchar_t is only 16 bits, wchar_t cannot represent
# the character encoded in 'in', so accept that behavior too.
printf 'Binary file in matches\n' > out16 || framework_failure_
LC_ALL=en_US.UTF-8
export LC_ALL
# On Cygwin, before grep-2.15, this would segfault.
# Require not just non-zero exit status, but exactly 1.
returns_ 1 grep -i anything-else in > out 2>&1 || fail=1
# Expect no output.
compare /dev/null out || fail=1
# Also test whether a surrogate-pair in the search string works.
for opt in '' -i -E -F -iE -iF; do
grep --file=in $opt in > out 2>&1 || fail=1
compare out in || compare out out16 || fail=1
done
Exit $fail
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