#!/bin/sh
# Test for a subtle, system-and-locale-dependent bug in uniq.

# Copyright (C) 2008 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/>.

case $LOCALE_FR in
''|none) echo "$0: skipping this test -- no appropriate locale" 1>&2; exit 77;;
esac

: ${srcdir=.}
. $top_srcdir/tests/require-perl

me=`echo $0|sed 's,.*/,,'`
exec $PERL -w -I$top_srcdir/tests -MCoreutils -M"CuTmpdir qw($me)" -- - <<\EOF
require 5.003;
use strict;

my $prog = 'uniq';

# Turn off localization of executable's output.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;

# I've only ever triggered the problem in a non-C locale.
my $locale = $ENV{LOCALE_FR};

# See if isblank returns true for nbsp.
my $x = `env printf '\xa0'| LC_ALL=$locale tr '[:blank:]' x`;
# If so, expect just one line of output in the schar test.
# Otherwise, expect two.
my $in = " y z\n\xa0 y z\n";
my $schar_exp = $x eq 'x' ? " y z\n" : $in;

my @Tests =
    (
     ['schar', '-f1',  {IN => $in}, {OUT => $schar_exp},
      {ENV => "LC_ALL=$locale"},
     ],
    );

my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};

my $fail = run_tests ($prog, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
EOF