| # Test fold --spaces with various Unicode breaking space characters. | |
| # 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/>. | |
| . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src | |
| print_ver_ fold printf | |
| test "$LOCALE_FR_UTF8" != none || skip_ "French UTF-8 locale not available" | |
| LC_ALL=$LOCALE_FR_UTF8 | |
| export LC_ALL | |
| # Check if a character is considered blank. Some systems, such as FreeBSD, | |
| # only consider ASCII spaces and tabs blank. | |
| isblank () | |
| { | |
| test $(printf "a$1a\nb$1b\n" | uniq -f1 | wc -l) = 2; | |
| } | |
| if isblank '\u2002'; then | |
| # One U+2002 EN SPACE characters. | |
| env printf 'abcdefghijklmnop\u2002qrstuvwxyz\n' > input1 \ | |
| || framework_failure_ | |
| env printf 'abcdefghij\nklmnop\u2002\nqrstuvwxyz\n'> exp1 \ | |
| || framework_failure_ | |
| fold --spaces --width 10 input1 > out1 || fail=1 | |
| compare exp1 out1 || fail=1 | |
| fi | |
| if isblank '\u2003'; then | |
| # Two U+2003 EM SPACE characters. | |
| env printf 'abcdefghijklmnop\u2003\u2003qrstuvwxyz\n' > input2 \ | |
| || framework_failure_ | |
| env printf 'abcdefghij\nklmnop\u2003\u2003\nqrstuvwxyz\n'> exp2 \ | |
| || framework_failure_ | |
| fold --spaces --width 10 input2 > out2 || fail=1 | |
| compare exp2 out2 || fail=1 | |
| fi | |
| Exit $fail | |