t/20-links.t

   1 #!/usr/bin/env perl
   2 use strict;
   3 use warnings;
   4
   5 use Test::More tests => 30;
   6 use Test::NoWarnings;
   7 use Data::Dump 'pp';
   8
   9 BEGIN { use_ok('List::Index' => 'rangematch'); }
  10
  11 my @RANGETESTS = (
  12         # single prefix
  13         [   q      =>          'q'],
  14         ['#foo.!$' =>          '\#foo\.\!\$'],
  15         [   '-'    =>          ''],
  16         [   ''     =>          ''],
  17         # end only
  18         [    -q    =>            '(?:(?![q-z])|q)'],
  19         [    -qqq  =>            '(?:(?![q-z])|q(?![q-z])|qq(?![q-z])|qqq)'],
  20         # start only
  21         [  'q-'    =>    '[q-z]'],
  22         ['qqq-'    => '(?:[r-z]|q[r-z]|qq[q-z])'],
  23         ['zzz-'    =>                 'zz[z-z]'],
  24         # prefixed range
  25         [  'q-q'   =>          'q'],
  26         [ 'qq-qq'  =>                 'qq'],
  27         [ 'qq-qqx' =>                                 '(?:qq(?![x-z])|qqx)'],
  28         [  'q-qx'  =>                      '(?:q(?![x-z])|qx)'],
  29         # end within prefix
  30         ['qqq-qq'  =>                 'qq[q-z]'],
  31         ['qqq-q'   =>       '(?:q[r-z]|qq[q-z])'],
  32         # interchar range
  33         [  'q-x'   =>    '[q-x]'],
  34         ['qqq-xxx' => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![x-z])|xx(?![x-z])|xxx)'],
  35         ['qqq-xqq' => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![q-z])|xq(?![q-z])|xqq)'],
  36         # interchar mixed length
  37         ['qqq-xq'  => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![q-z])|xq)'],
  38         [ 'qq-xqq' => '(?:[r-w]|q[q-z]|'   .  'x(?![q-z])|xq(?![q-z])|xqq)'],
  39         [  'q-xxx' =>                '(?:[q-w]|x(?![x-z])|xx(?![x-z])|xxx)'],
  40         ['qqq-x'   => '(?:[r-x]|q[r-z]|qq[q-z])'],
  41         ['qaa-qb'  =>              '(?:qa[a-z]|qb)'],
  42         ['qaa-qq'  =>       '(?:q[b-p]|qa[a-z]|qq)'],
  43         # reversed
  44         [  'x-q'   => undef],
  45         ['xxx-qqq' => undef],
  46         ['xxx-q'   => undef],
  47         ['qqq-qc'  => undef],
  48 );
  49
  50 for (@RANGETESTS) {
  51         my ($in, $out) = @$_;
  52         is(
  53                 eval { rangematch($in) },
  54                 defined $out ? "(?i-xsm:^$out)" : undef,
  55                 (length $in ? $in : q{''}) . (!defined $out && ' failure')
  56         );
  57         diag($@) if $@;
  58 }
  59