tests/wc/wc.pl

   1 #!/usr/bin/perl
   2 # Basic tests for "wc".
   3
   4 # Copyright (C) 1997-2025 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 $prog = 'wc';
  22
  23 # Turn off localization of executable's output.
  24 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
  25
  26 my @Tests =
  27     (
  28      ['a0', '-c',  {IN_PIPE=>''},            {OUT=>"0\n"}],
  29      ['a1', '-l',  {IN_PIPE=>''},            {OUT=>"0\n"}],
  30      ['a2', '-w',  {IN_PIPE=>''},            {OUT=>"0\n"}],
  31      ['a3', '-c',  {IN_PIPE=>'x'},           {OUT=>"1\n"}],
  32      ['a4', '-w',  {IN_PIPE=>'x'},           {OUT=>"1\n"}],
  33      ['a5', '-w',  {IN_PIPE=>"x y\n"},       {OUT=>"2\n"}],
  34      ['a6', '-w',  {IN_PIPE=>"x y\nz"},      {OUT=>"3\n"}],
  35      # Remember, -l counts *newline* bytes, not logical lines.
  36      ['a7', '-l',  {IN_PIPE=>"x y"},         {OUT=>"0\n"}],
  37      ['a8', '-l',  {IN_PIPE=>"x y\n"},       {OUT=>"1\n"}],
  38      ['a9', '-l',  {IN_PIPE=>"x\ny\n"},      {OUT=>"2\n"}],
  39      ['b0', '',    {IN_PIPE=>""},         {OUT=>"      0       0       0\n"}],
  40      ['b1', '',    {IN_PIPE=>"a b\nc\n"}, {OUT=>"      2       3       6\n"}],
  41      ['c0', '-L',  {IN_PIPE=>"1\n12\n"},     {OUT=>"2\n"}],
  42      ['c1', '-L',  {IN_PIPE=>"1\n123\n1\n"}, {OUT=>"3\n"}],
  43      ['c2', '-L',  {IN_PIPE=>"\n123456"},    {OUT=>"6\n"}],
  44      ['d1', '-w',  {IN_PIPE=>"\1\n"},        {OUT=>"1\n"}],
  45     );
  46
  47 my $save_temps = $ENV{DEBUG};
  48 my $verbose = $ENV{VERBOSE};
  49
  50 my $fail = run_tests ($prog, $prog, \@Tests, $save_temps, $verbose);
  51 exit $fail;