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#!/bin/sh
# Check characters outside the Unicode BMP in the search string.
# Copyright 2021-2023 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
case $(uname -s) in
CYGWIN*)
skip_ 'surrogate-pair search string on Cygwin, where it cannot work';;
esac
fail=0
LC_ALL=en_US.UTF-8
export LC_ALL
# On platforms like 32-bit AIX where WCHAR_MAX == 0xFFFF, skip this check,
# since the corresponding Unicode characters are not supported.
printf '\360\220\200\200\n' >in || framework_failure_
grep '^.$' in >out || fail=1
compare in out || skip_ 'platform does not support U+10000'
printf '\360\220\220\205\n' > in || framework_failure_
for opt in '' -i -E -F -iE -iF; do
grep --file=in $opt in > out 2>&1 || fail=1
compare in out || fail=1
done
Exit $fail
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