1#!/usr/bin/perl
2# Newline tests for "md5sum".
3
4# Copyright (C) 1999-2023 Free Software Foundation, Inc.
5
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18
19use strict;
20
21(my $ME = $0) =~ s|.*/||;
22
23# Turn off localization of executable's output.
24@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
25
26# See if we can create a file name that contains a newline.
27# Use system, since Perl doesn't let you do this with "open".
28system ('touch', "a\nb") == 0
29  or CuSkip::skip "$ME: failed to create newline-containing file name\n";
30
31my $degenerate = "d41d8cd98f00b204e9800998ecf8427e";
32my $t = '--text';
33my $z = '--zero';
34
35my @Tests =
36    (
37     ['newline', $t, {IN=> {"a\nb"=> ''}}, {OUT=>"\\$degenerate  a\\nb\n"}],
38     ['zero', "$t $z", {IN=> {"a\nb"=> ''}}, {OUT=>"$degenerate  a\nb\0"}],
39    );
40
41my $save_temps = $ENV{DEBUG};
42my $verbose = $ENV{VERBOSE};
43
44my $prog = 'md5sum';
45my $fail = run_tests ($ME, $prog, \@Tests, $save_temps, $verbose);
46exit $fail;
47