tests/sort/sort-files0-from.pl

   1 #!/usr/bin/perl
   2 # Exercise sort's --files0-from option.
   3 # FIXME: keep this file in sync with tests/du/files0-from.
   4
   5 # Copyright (C) 2006-2024 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 $prog = 'sort';
  25
  26 # Turn off localization of executable's output.
  27 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
  28
  29 my @Tests =
  30   (
  31    # invalid extra command line argument
  32    ['f-extra-arg', '--files0-from=- no-such', {IN=>"a"}, {EXIT=>2},
  33     {ERR => "$prog: extra operand 'no-such'\n"
  34         . "file operands cannot be combined with --files0-from\n"
  35         . "Try '$prog --help' for more information.\n"}
  36     ],
  37
  38    # missing input file
  39    ['missing', '--files0-from=missing', {EXIT=>2},
  40     {ERR => "$prog: open failed: missing: "
  41      . "No such file or directory\n"}],
  42
  43    # input file name of '-'
  44    ['minus-in-stdin', '--files0-from=-', '<', {IN=>{f=>'-'}}, {EXIT=>2},
  45     {ERR => "$prog: when reading file names from stdin, no file name of"
  46      . " '-' allowed\n"}],
  47
  48    # empty input, regular file
  49    ['empty', '--files0-from=@AUX@', {AUX=>''}, {EXIT=>2},
  50     {ERR_SUBST => 's/no input from.+$//'}, {ERR => "$prog: \n"}],
  51
  52    # empty input, from non-regular file
  53    ['empty-nonreg', '--files0-from=/dev/null', {EXIT=>2},
  54     {ERR => "$prog: no input from '/dev/null'\n"}],
  55
  56    # one NUL
  57    ['nul-1', '--files0-from=-', '<', {IN=>"\0"}, {EXIT=>2},
  58     {ERR => "$prog: -:1: invalid zero-length file name\n"}],
  59
  60    # two NULs
  61    # Note that the behavior here differs from 'wc' in that the
  62    # first zero-length file name is treated as fatal, so there
  63    # is only one line of diagnostic output.
  64    ['nul-2', '--files0-from=-', '<', {IN=>"\0\0"}, {EXIT=>2},
  65     {ERR => "$prog: -:1: invalid zero-length file name\n"}],
  66
  67    # one file name, no NUL
  68    ['1', '--files0-from=-', '<',
  69     {IN=>{f=>"g"}}, {AUX=>{g=>'a'}}, {OUT=>"a\n"} ],
  70
  71    # one file name, with NUL
  72    ['1a', '--files0-from=-', '<',
  73     {IN=>{f=>"g\0"}}, {AUX=>{g=>'a'}}, {OUT=>"a\n"} ],
  74
  75    # two file names, no final NUL
  76    ['2', '--files0-from=-', '<',
  77     {IN=>{f=>"g\0g"}}, {AUX=>{g=>'a'}}, {OUT=>"a\na\n"} ],
  78
  79    # two file names, with final NUL
  80    ['2a', '--files0-from=-', '<',
  81     {IN=>{f=>"g\0g\0"}}, {AUX=>{g=>'a'}}, {OUT=>"a\na\n"} ],
  82
  83    # Ensure that $prog does nothing when there is a zero-length filename.
  84    # Note that the behavior here differs from 'wc' in that the
  85    # first zero-length file name is treated as fatal, so there
  86    # should be no output on STDOUT.
  87    ['zero-len', '--files0-from=-', '<',
  88     {IN=>{f=>"\0g\0"}}, {AUX=>{g=>''}},
  89     {ERR => "$prog: -:1: invalid zero-length file name\n"}, {EXIT=>2} ],
  90   );
  91
  92 my $save_temps = $ENV{DEBUG};
  93 my $verbose = $ENV{VERBOSE};
  94
  95 my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
  96 exit $fail;