-{
-ok(my $index = List::Index->new(['aa'..'zz', 1..193]), 'non-alphabetic values (uniform)');
-is_deeply($index->ranges, [map { [split /-/, $_, 2] } qw(
- -. .
- a-b c-dr ds-fn fo-hk hl-jg jh-k l-m n-o p-qr qs-sn so-uk ul-wg wh-x y-
-)], 'default ranges');
-is_deeply($index->ranges({pagesize => 300}), [map { [split /-/, $_, 2] } qw(
- -c d-o p-
-)], 'large pagesize');
-}
+subtest 'uniform alphanumeric' => sub {
+ plan tests => 2;
+ my $index = List::Index->new(['aa'..'zz', 1..202]) or return;
+ is_deeply($index->ranges, [qw(
+ -.
+ .-bp bq-dm dn-fi fj-hf hg-i j-k l-m n-os ot-qp qq-sm sn-uj uk-wf wg-x y-
+
+ )], 'default ranges');
+ is_deeply($index->ranges({pagesize => 300}), [qw(-c d-n o-)], 'large pagesize');
+};
+
+subtest 'context' => sub {
+ plan tests => 4;
+ my $index = List::Index->new([qw(
+ baa1 baa2 baa3 baaa bbc cbc daaa ea eaaa zed
+ )]) or return;
+ is_deeply($index->ranges({pagesize => 2, context => 0}), [
+ qw(-baa. baa.-bbb bbc-daa. daaa-eaa. eaaa-)
+ ], 'no context');
+ is_deeply($index->ranges({pagesize => 2}), [
+ qw(-a b c d e-)
+ ], 'default context'); # context should be 1
+ is_deeply($index->ranges({pagesize => 2, context => 2}), [
+ qw(-a b-c d e-)
+ ], 'overlap'); # first item equals second due to large context
+ is_deeply($index->ranges({pagesize => 2, context => 0, length => 1}), [
+ qw(-a b-c d e-)
+ ], 'single char');
+
+ #pp($index->ranges({pagesize => 2, context => 2, length => 1}));
+};