tests/cksum/md5sum-newline.pl

   1 #!/usr/bin/perl
   2 # Newline tests for "md5sum".
   3
   4 # Copyright (C) 1999-2024 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
  19 use strict;
  20
  21 (my $ME = $0) =~ s|.*/||;
  22
  23 # Turn off localization of executable's output.
  24 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
  25
  26 # See if we can create a file name that contains a newline.
  27 # Use system, since Perl doesn't let you do this with "open".
  28 system ('touch', "a\nb") == 0
  29   or CuSkip::skip "$ME: failed to create newline-containing file name\n";
  30
  31 my $degenerate = "d41d8cd98f00b204e9800998ecf8427e";
  32 my $t = '--text';
  33 my $z = '--zero';
  34
  35 my @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
  41 my $save_temps = $ENV{DEBUG};
  42 my $verbose = $ENV{VERBOSE};
  43
  44 my $prog = 'md5sum';
  45 my $fail = run_tests ($ME, $prog, \@Tests, $save_temps, $verbose);
  46 exit $fail;