+++: penalty
[perl/list-index.git] / t / 10-ranges.t
index f935820eaf99904bb4007478b3b3c51be8eb568b..d96ebb528ef1358cf82646d9c238eba1fb149e19 100644 (file)
@@ -54,14 +54,12 @@ subtest 'context' => sub {
 };
 
 subtest 'distribution' => sub {
-       plan tests => 2;
+       plan tests => 3;
        my $index = List::Index->new([qw(
                kkeg kl km kmlu knsy    koxb kpeo kuaa kuab kuac
                kuap kuaq kuq kux kzb   lc lg lgu lgua lguc
                lguq lgur lgus lgx lka  lkq lks lln llq llx
        )]) or return;
-TODO: {
-       local $TODO = 'under development';
        is_deeply(
                $index->ranges({ pagesize=>10, context=>3 }),
                # shorten 'kuap' to 'ku' because lookbehind is 'kp...'
@@ -69,11 +67,18 @@ TODO: {
                [qw(-kt ku-lgt lgu-)],
                'lookbehind'
        );
-}
        is_deeply(
                $index->ranges({ pagesize=>10, context=>4 }),
                [qw(-kt ku-lf lg-)],
                'maximal lookahead'
        );
+       is_deeply(
+               $index->ranges({ pagesize=>10, context=>5 }),
+               # after forwarding 'kuap' to 'lc'
+               # disallow backtracking of 'lguq' to 'lc' to prevent qw[-k l-]
+               # so only lookahead (to 'lkq') remains
+               [qw(-k l-lj lk-)],
+               'lookbehind after full lookahead'
+       );
 }