X-Git-Url: http://git.shiar.net/perl/list-index.git/blobdiff_plain/f201c1cafae5e0a87e562961316c7650b0e2231a..HEAD:/t/20-links.t

diff --git a/t/20-links.t b/t/20-links.t
index afa2b7b..8fd54d0 100644
--- a/t/20-links.t
+++ b/t/20-links.t
@@ -2,48 +2,105 @@
 use strict;
 use warnings;
 
-use Test::More tests => 29;
+use Test::More tests => 13;
 use Test::NoWarnings;
 use Data::Dump 'pp';
 
 BEGIN { use_ok('List::Index' => 'rangematch'); }
 
-for (
-	[   q      =>          'q'],
-	['#foo.!$' =>          '\#foo\.\!\$'],
-	[   '-'    =>          ''],
-	[   ''     =>          ''],
-	[    -q    =>            '(?:(?![q-z])|q)'],
-	[    -qqq  =>            '(?:(?![q-z])|q(?![q-z])|qq(?![q-z])|qqq)'],
-	[  'q-'    =>    '[q-z]'],
-	['qqq-'    => '(?:[r-z]|q[r-z]|qq[q-z])'],
-	['zzz-'    =>                 'zz[z-z]'],
-	[  'q-x'   =>    '[q-x]'],
-	[  'q-q'   =>          'q'],
-	[ 'qq-qq'  =>                 'qq'],
-	[ 'qq-qqx' =>                                 '(?:qq(?![x-z])|qqx)'],
-	[  'q-qx'  =>                      '(?:q(?![x-z])|qx)'],
-	['qqq-xxx' => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![x-z])|xx(?![x-z])|xxx)'],
-	['qqq-xqq' => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![q-z])|xq(?![q-z])|xqq)'],
-	['qqq-xq'  => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![q-z])|xq)'],
-	[ 'qq-xqq' => '(?:[r-w]|q[q-z]|'   .  'x(?![q-z])|xq(?![q-z])|xqq)'],
-	[  'q-xxx' =>                '(?:[q-w]|x(?![x-z])|xx(?![x-z])|xxx)'],
-	['qqq-x'   => '(?:[r-x]|q[r-z]|qq[q-z])'],
-	['qaa-qb'  =>              '(?:qa[a-z]|qb)'],
-	['qaa-qq'  =>       '(?:q[b-p]|qa[a-z]|qq)'],
-	['qqq-q'   =>       '(?:q[r-z]|qq[q-z])'],
-) {
-	my ($in, $out) = @$_;
-	is(eval { rangematch($in) }, "(?i-xsm:^$out)", (length $in ? $in : q{''}));
-	diag($@) if $@;
-}
+eval { Test::More->VERSION(0.93) } or eval q{
+	diag "Install Test::More v0.93 to run subtests\n";
+	sub subtest {
+		SKIP: { skip 'subtest', 1; }
+	}
+};
+
+my @RANGETESTS = (
+	['single prefix',
+		[   q      =>          'q'],
+		['#foo.!$' =>          '\#foo\.\!\$'],
+		[   '-'    =>          ''],
+		[   ''     =>          ''],
+	],
+	['end only',
+		[    -q    =>            '(?:(?![q-z])|q)'],
+		[    -qqq  =>            '(?:(?![q-z])|q(?![q-z])|qq(?![q-z])|qqq)'],
+	],
+	['start only',
+		[  'q-'    =>    '[q-z]'],
+		['qqq-'    => '(?:[r-z]|q[r-z]|qq[q-z])'],
+		['zzz-'    =>                 'zz[z-z]'],
+	],
+	['prefixed range',
+		[  'q-q'   =>          'q'],
+		[ 'qq-qq'  =>                 'qq'],
+		[ 'qq-qqx' =>                                 '(?:qq(?![x-z])|qqx)'],
+		[  'q-qx'  =>                      '(?:q(?![x-z])|qx)'],
+	],
+	['end within prefix',
+		['qqq-qq'  =>                 'qq[q-z]'],
+		['qqq-q'   =>       '(?:q[r-z]|qq[q-z])'],
+	],
+	['interchar range',
+		[  'q-x'   =>    '[q-x]'],
+		['qqq-xxx' => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![x-z])|xx(?![x-z])|xxx)'],
+		['qqq-xqq' => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![q-z])|xq(?![q-z])|xqq)'],
+	],
+	['interchar mixed length',
+		['qqq-xq'  => '(?:[r-w]|q[r-z]|qq[q-z]|x(?![q-z])|xq)'],
+		[ 'qq-xqq' => '(?:[r-w]|q[q-z]|'   .  'x(?![q-z])|xq(?![q-z])|xqq)'],
+		[  'q-xxx' =>                '(?:[q-w]|x(?![x-z])|xx(?![x-z])|xxx)'],
+		['qqq-x'   => '(?:[r-x]|q[r-z]|qq[q-z])'],
+		['qaa-qb'  =>              '(?:qa[a-z]|qb)'],
+		['qaa-qq'  =>       '(?:q[b-p]|qa[a-z]|qq)'],
+	],
+	['reversed',
+		[  'x-q'   => undef],
+		['xxx-qqq' => undef],
+		['xxx-q'   => undef],
+		['qqq-qc'  => undef],
+	],
+
+	['non-alphabetic offset',
+		[  '.-'    =>          ''],
+		['...-'    => '(?:[a-z]|[^a-z][a-z])'],
+		[ '.q-'    => '(?:[a-z]|[^a-z][q-z])'],
+		[ '.q-.'   =>          '[^a-z][q-z]'],
+	],
+	['limit',
+		['.q.-q'   => '(?:[a-q]|[^a-z][q-z])'],
+		['..z-q'   => '(?:[a-q]|[^a-z][a-z]|[^a-z][^a-z][z-z])'],
+		['.q.-z'   => '(?:[a-z]|[^a-z][q-z])'],
+		['.q.-zz'  => '(?:[a-y]|[^a-z][q-z]|'        .       'z(?![z-z])|zz)'],
+		['.q..-zz' => '(?:[a-y]|[^a-z][r-z]|[^a-z]q' . '[a-z]|z(?![z-z])|zz)'],
+	],
+	['non-alpha limit',
+		['.q.-z.'  => '(?:[a-y]|[^a-z][q-z]|'        .       'z(?![a-z]))'],
+		[ '..-.'   =>                                '(?:[^a-z](?![a-z]))'],
+		[  '.-.'   =>                                         '(?![a-z])'],
+		[   '-.'   =>                                         '(?![a-z])'],
+		[   '-...' =>                                         '(?![a-z])(?!.[a-z])(?!..[a-z])'],
+		[   '-q.'  =>                           '(?:(?![q-z])|q(?![a-z]))'],
+		[   '-q..' =>                           '(?:(?![q-z])|q(?![a-z])(?!.[a-z]))'],
+	#	[ '..-...' =>                                '(?:[^a-z](?![a-z])|[^a-z][^a-z](?![a-z]))'],
+	#	[  '.-...' =>                                                   '[^a-z][^a-z](?![a-z])'],
+		[  'a-.'   => undef],
+	],
+);
 
-for my $in (
-	'qqq-qc',
-	  'x-q',
-	'xxx-qqq',
-	'xxx-q',
-) {
-	is(eval { rangematch($in) }, undef, (length $in ? $in : q{''}) . ' failure');
+for (@RANGETESTS) {
+	my ($name, @tests) = @$_;
+	subtest($name => sub {
+		plan tests => scalar @tests;
+		for (@tests) {
+			my ($in, $out) = @$_;
+			is(
+				eval { rangematch($in) },
+				defined $out ? "(?i-xsm:^$out)" : undef,
+				(length $in ? $in : q{''}) . (!defined $out && ' failure')
+			);
+			diag($@) if $@;
+		}
+	});
 }