X-Git-Url: http://git.shiar.nl/perl/list-index.git/blobdiff_plain/2af0622fdc633320a7172164ddb9c7436e41998f..9d8572d98bcc078f2946094bacc6a47dfbbd934b:/t/10-ranges.t

diff --git a/t/10-ranges.t b/t/10-ranges.t
index 9cfce11..01971c8 100644
--- a/t/10-ranges.t
+++ b/t/10-ranges.t
@@ -2,7 +2,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 8;
+use Test::More tests => 9;
 use Test::NoWarnings;
 use Data::Dump 'pp';
 
@@ -10,7 +10,7 @@ BEGIN { use_ok('List::Index'); }
 ok(eval { List::Index->VERSION(1) }, 'version 1.00 compatibility');
 
 subtest 'single-char alphabet' => sub {
-	plan tests => 4;
+	plan tests => 5;
 	my @uniform = 'a'..'z';
 	my $index = List::Index->new(\@uniform) or return;
 	is_deeply(\@uniform, ['a'..'z'], 'original data unaltered');
@@ -19,6 +19,7 @@ subtest 'single-char alphabet' => sub {
 	is_deeply($index->ranges({pagesize => @uniform / 2.1}), [qw(
 		-i j-q r-
 	)], 'equivalent pagesize');
+	is_deeply($index->ranges({ pages => 500 }), ['-a', 'b'..'y', 'z-'], 'max pages');
 };
 
 subtest 'uniform alphanumeric' => sub {
@@ -125,6 +126,28 @@ subtest 'distribution' => sub {
 	# page #16 [i-ie] (5): i iaab ibiavqyar idfniqvxpohbk idh
 };
 
+subtest 'modulo' => sub {
+	plan tests => 2;
+	my $index = List::Index->new([qw(
+		a b ccb   ccd  cce gf gg   gh  i j
+	)]) or return;
+	# 10 entries at 4 per page requires 3 pages
+	# so actual target page sizes should be 3,4,3 (not 4,4,2)
+
+	is_deeply(
+		$index->ranges({ pagesize=>4, context=>0 }),
+		[qw(-ccc ccd-gg gh-)],
+		'uniform page sizes'
+	);
+{ local $TODO = 'early lookbehind causing [c-gg]';
+	is_deeply(
+		$index->ranges({ pagesize=>4, context=>1 }),
+		[qw(-b c-h i-)],
+		'context at new intervals'
+	);
+}
+};
+
 subtest 'context' => sub {
 	plan tests => 4;
 	my $index = List::Index->new([qw(