X-Git-Url: http://git.shiar.net/perl/list-index.git/blobdiff_plain/d61e8685992586de85f6b7b58fee20f15c8111b0..0f46a9fa54c9ecca0f0c3180b51f7c3079d048a8:/t/20-links.t

diff --git a/t/20-links.t b/t/20-links.t
index 89f5dee..b1879e3 100644
--- a/t/20-links.t
+++ b/t/20-links.t
@@ -2,26 +2,47 @@
 use strict;
 use warnings;
 
-use Test::More tests => 13;
+use Test::More tests => 28;
 use Test::NoWarnings;
+use Data::Dump 'pp';
 
 BEGIN { use_ok('List::Index' => 'rangematch'); }
 
 for (
-	[   q      => 'q'],
-	['#foo.!$' => '\#foo\.\!\$'],
+	[   q      =>          'q'],
+	['#foo.!$' =>          '\#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])'],
 	[  '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])'],
-	[  'q-xxx' =>                '(?:[q-w]|x(?![x-z])|xx(?![x-z])|xxx)'],
 ) {
 	my ($in, $out) = @$_;
-	is(eval { rangematch($in) }, "(?i-xsm:^$out)", $in);
+	is(eval { rangematch($in) }, "(?i-xsm:^$out)", (length $in ? $in : q{''}));
 	diag($@) if $@;
 }
 
+for my $in (
+	'qqq-qc',
+	  'x-q',
+	'xxx-qqq',
+	'xxx-q',
+) {
+	is(eval { rangematch($in) }, undef, (length $in ? $in : q{''}) . ' failure');
+}
+