tests/misc/fold.pl

   1 #!/usr/bin/perl
   2 # Exercise fold.
   3
   4 # Copyright (C) 2003-2024 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 $program_name = $0) =~ s|.*/||;
  22
  23 # Turn off localization of executable's output.
  24 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
  25 my $prog = 'fold';
  26
  27 my @Tests =
  28   (
  29    ['s1', '-w2 -s', {IN=>"a\t"}, {OUT=>"a\n\t"}],
  30    ['s2', '-w4 -s', {IN=>"abcdef d\n"}, {OUT=>"abcd\nef d\n"}],
  31    ['s3', '-w4 -s', {IN=>"a cd fgh\n"}, {OUT=>"a \ncd \nfgh\n"}],
  32    ['s4', '-w4 -s', {IN=>"abc ef\n"}, {OUT=>"abc \nef\n"}],
  33
  34    # The downstream I18N patch made fold(1) exit with success for non-existing
  35    # files since v5.2.1-1158-g3d3030da6 (2004) changed int to bool for booleans.
  36    # The I18N patch was fixed only in July 2024.  (rhbz#2296201).
  37    ['enoent', 'enoent', {EXIT => 1},
  38      {ERR=>"$prog: enoent: No such file or directory\n"}],
  39
  40    # The downstream I18N patch made 'fold -b' mishandled '\n' in UTF locales.
  41    # The I18N patch was fixed only in Sep 2024.  (RHEL-60295)
  42    ['bw1', '-b -w 4', {IN=>"abcdef\nghijkl"}, {OUT=>"abcd\nef\nghij\nkl"}],
  43    ['bw2', '-b -w 6', {IN=>"1234567890\nabcdefghij\n1234567890"},
  44      {OUT=>"123456\n7890\nabcdef\nghij\n123456\n7890"}],
  45   );
  46
  47 my $save_temps = $ENV{DEBUG};
  48 my $verbose = $ENV{VERBOSE};
  49
  50 my $prog = 'fold';
  51 my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
  52 exit $fail;