t/20-links.t

   1 #!/usr/bin/env perl
   2 use strict;
   3 use warnings;
   4
   5 use Test::More tests => 13;
   6 use Test::NoWarnings;
   7 use Data::Dump 'pp';
   8
   9 BEGIN { use_ok('List::Index' => 'rangematch'); }
  10
  11 eval { Test::More->VERSION(0.93) } or eval q{
  12         diag "Install Test::More v0.93 to run subtests\n";
  13         sub subtest {
  14                 SKIP: { skip 'subtest', 1; }
  15         }
  16 };
  17
  18 my @RANGETESTS = (
  19         ['single prefix',
  20                 [   q      =>          'q'],
  21                 ['#foo.!$' =>          '\#foo\.\!\$'],
  22                 [   '-'    =>          ''],
  23                 [   ''     =>          ''],
  24         ],
  25         ['end only',
  26                 [    -q    =>            '(?:(?![q-z])|q)'],
  27                 [    -qqq  =>            '(?:(?![q-z])|q(?![q-z])|qq(?![q-z])|qqq)'],
  28         ],
  29         ['start only',
  30                 [  'q-'    =>    '[q-z]'],
  31                 ['qqq-'    => '(?:[r-z]|q[r-z]|qq[q-z])'],
  32                 ['zzz-'    =>                 'zz[z-z]'],
  33         ],
  34         ['prefixed range',
  35                 [  'q-q'   =>          'q'],
  36                 [ 'qq-qq'  =>                 'qq'],
  37                 [ 'qq-qqx' =>                                 '(?:qq(?![x-z])|qqx)'],
  38                 [  'q-qx'  =>                      '(?:q(?![x-z])|qx)'],
  39         ],
  40         ['end within prefix',
  41                 ['qqq-qq'  =>                 'qq[q-z]'],
  42                 ['qqq-q'   =>       '(?:q[r-z]|qq[q-z])'],
  43         ],
  44         ['interchar range',
  45                 [  'q-x'   =>    '[q-x]'],
  46                 ['qqq-xxx' => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![x-z])|xx(?![x-z])|xxx)'],
  47                 ['qqq-xqq' => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![q-z])|xq(?![q-z])|xqq)'],
  48         ],
  49         ['interchar mixed length',
  50                 ['qqq-xq'  => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![q-z])|xq)'],
  51                 [ 'qq-xqq' => '(?:[r-w]|q[q-z]|'   .  'x(?![q-z])|xq(?![q-z])|xqq)'],
  52                 [  'q-xxx' =>                '(?:[q-w]|x(?![x-z])|xx(?![x-z])|xxx)'],
  53                 ['qqq-x'   => '(?:[r-x]|q[r-z]|qq[q-z])'],
  54                 ['qaa-qb'  =>              '(?:qa[a-z]|qb)'],
  55                 ['qaa-qq'  =>       '(?:q[b-p]|qa[a-z]|qq)'],
  56         ],
  57         ['reversed',
  58                 [  'x-q'   => undef],
  59                 ['xxx-qqq' => undef],
  60                 ['xxx-q'   => undef],
  61                 ['qqq-qc'  => undef],
  62         ],
  63
  64         ['non-alphabetic offset',
  65                 [  '.-'    =>          ''],
  66                 ['...-'    => '(?:[a-z]|[^a-z][a-z])'],
  67                 [ '.q-'    => '(?:[a-z]|[^a-z][q-z])'],
  68                 [ '.q-.'   =>          '[^a-z][q-z]'],
  69         ],
  70         ['limit',
  71                 ['.q.-q'   => '(?:[a-q]|[^a-z][q-z])'],
  72                 ['..z-q'   => '(?:[a-q]|[^a-z][a-z]|[^a-z][^a-z][z-z])'],
  73                 ['.q.-z'   => '(?:[a-z]|[^a-z][q-z])'],
  74                 ['.q.-zz'  => '(?:[a-y]|[^a-z][q-z]|'        .       'z(?![z-z])|zz)'],
  75                 ['.q..-zz' => '(?:[a-y]|[^a-z][r-z]|[^a-z]q' . '[a-z]|z(?![z-z])|zz)'],
  76         ],
  77         ['non-alpha limit',
  78                 ['.q.-z.'  => '(?:[a-y]|[^a-z][q-z]|'        .       'z(?![a-z]))'],
  79                 [ '..-.'   =>                                '(?:[^a-z](?![a-z]))'],
  80                 [  '.-.'   =>                                         '(?![a-z])'],
  81                 [   '-.'   =>                                         '(?![a-z])'],
  82                 [   '-...' =>                                         '(?![a-z])(?!.[a-z])(?!..[a-z])'],
  83                 [   '-q.'  =>                           '(?:(?![q-z])|q(?![a-z]))'],
  84                 [   '-q..' =>                           '(?:(?![q-z])|q(?![a-z])(?!.[a-z]))'],
  85         #       [ '..-...' =>                                '(?:[^a-z](?![a-z])|[^a-z][^a-z](?![a-z]))'],
  86         #       [  '.-...' =>                                                   '[^a-z][^a-z](?![a-z])'],
  87                 [  'a-.'   => undef],
  88         ],
  89 );
  90
  91 for (@RANGETESTS) {
  92         my ($name, @tests) = @$_;
  93         subtest($name => sub {
  94                 plan tests => scalar @tests;
  95                 for (@tests) {
  96                         my ($in, $out) = @$_;
  97                         is(
  98                                 eval { rangematch($in) },
  99                                 defined $out ? "(?i-xsm:^$out)" : undef,
 100                                 (length $in ? $in : q{''}) . (!defined $out && ' failure')
 101                         );
 102                         diag($@) if $@;
 103                 }
 104         });
 105 }
 106