#!/bin/sh

# Ensure that case-insensitive matching works with all Turkish i's

# Copyright (C) 2014-2017 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=.}/init.sh"; path_prepend_ ../src

require_compiled_in_MB_support

fail=0

L=tr_TR.UTF-8

# Check for a broken tr_TR.UTF-8 locale definition.

# In this locale, 'i' is not a lower-case 'I'.

echo I | LC_ALL=$L grep -i i > /dev/null \

    && skip_ "your $L locale appears to be broken"

# Ensure that this matches:

# printf 'I:İ ı:i\n'|LC_ALL=tr_TR.utf8 grep -i 'ı:i I:İ'

I=$(printf '\304\260') # capital I with dot

i=$(printf '\304\261') # lowercase dotless i

      data="I:$I $i:i"

search_str="$i:i I:$I"

printf "$data\n" > in || framework_failure_

for opt in -E -F -G; do

  LC_ALL=$L grep $opt -i "$search_str" in > out || fail=1

  compare out in || fail=1

done

Exit $fail