tests/misc/wc-files0-from.pl

   1 #!/usr/bin/perl
   2 # Exercise wc's --files0-from option.
   3 # FIXME: keep this file in sync with tests/du/files0-from.
   4
   5 # Copyright (C) 2006-2019 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 use strict;
  21
  22 (my $program_name = $0) =~ s|.*/||;
  23
  24 my $prog = 'wc';
  25
  26 # Turn off localization of executable's output.
  27 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
  28
  29 my @Tests =
  30   (
  31    # invalid extra command line argument
  32    ['f-extra-arg', '--files0-from=- no-such', {IN=>"a"}, {EXIT=>1},
  33     {ERR => "$prog: extra operand 'no-such'\n"
  34         . "file operands cannot be combined with --files0-from\n"
  35         . "Try '$prog --help' for more information.\n"}
  36     ],
  37
  38    # missing input file
  39    ['missing', '--files0-from=missing', {EXIT=>1},
  40     {ERR => "$prog: cannot open 'missing' for reading: "
  41      . "No such file or directory\n"}],
  42
  43    # input file name of '-'
  44    ['minus-in-stdin', '--files0-from=-', '<', {IN=>{f=>'-'}}, {EXIT=>1},
  45     {ERR => "$prog: when reading file names from stdin, no file name of"
  46      . " '-' allowed\n"}],
  47
  48    # empty input, regular file
  49    ['empty', '--files0-from=@AUX@', {AUX=>''}],
  50
  51    # empty input, from non-regular file
  52    ['empty-nonreg', '--files0-from=/dev/null'],
  53
  54    # one NUL
  55    ['nul-1', '--files0-from=-', '<', {IN=>"\0"}, {EXIT=>1},
  56     {ERR => "$prog: -:1: invalid zero-length file name\n"}],
  57
  58    # two NULs
  59    ['nul-2', '--files0-from=-', '<', {IN=>"\0\0"}, {EXIT=>1},
  60     {OUT=>"0 0 0 total\n"},
  61     {ERR => "$prog: -:1: invalid zero-length file name\n"
  62           . "$prog: -:2: invalid zero-length file name\n"}],
  63
  64    # one file name, no NUL
  65    ['1', '--files0-from=-', '<',
  66     {IN=>{f=>"g"}}, {AUX=>{g=>''}}, {OUT=>"0 0 0 g\n"} ],
  67
  68    # one file name, with NUL
  69    ['1a', '--files0-from=-', '<',
  70     {IN=>{f=>"g\0"}}, {AUX=>{g=>''}}, {OUT=>"0 0 0 g\n"} ],
  71
  72    # two file names, no final NUL
  73    ['2', '--files0-from=-', '<',
  74     {IN=>{f=>"g\0g"}}, {AUX=>{g=>''}},
  75      {OUT=>"0 0 0 g\n0 0 0 g\n0 0 0 total\n"} ],
  76
  77    # two file names, with final NUL
  78    ['2a', '--files0-from=-', '<',
  79     {IN=>{f=>"g\0g\0"}}, {AUX=>{g=>''}},
  80      {OUT=>"0 0 0 g\n0 0 0 g\n0 0 0 total\n"} ],
  81
  82    # Ensure that $prog processes FILEs following a zero-length name.
  83    ['zero-len', '--files0-from=-', '<',
  84     {IN=>{f=>"\0g\0"}}, {AUX=>{g=>''}},
  85     {OUT=>"0 0 0 g\n0 0 0 total\n"},
  86     {ERR => "$prog: -:1: invalid zero-length file name\n"}, {EXIT=>1} ],
  87   );
  88
  89 my $save_temps = $ENV{DEBUG};
  90 my $verbose = $ENV{VERBOSE};
  91
  92 my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
  93 exit $fail;