From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sun, 15 Nov 2009 00:22:52 +0000 (+0100)
Subject: fix pagesize < 1
X-Git-Url: http://git.shiar.nl/perl/list-index.git/commitdiff_plain/9d8572d98bcc078f2946094bacc6a47dfbbd934b

fix pagesize < 1
---

diff --git a/lib/List/Index.pm b/lib/List/Index.pm
index b11b5f8..e67e5ae 100644
--- a/lib/List/Index.pm
+++ b/lib/List/Index.pm
@@ -22,7 +22,7 @@ sub ranges {
 	my $length   = $options->{length  } || 4;
 	my $pages    = $options->{pages   } || 1 + int $#$self / $pagesize;
 
-	$pagesize = @$self / $pages;
+	$pagesize = $pages >= $#$self ? 1 : @$self / $pages;
 	my $offset = $pagesize + .5;
 	my $lookbehind = -$context;
 	my $lookahead  =  $context;
diff --git a/t/10-ranges.t b/t/10-ranges.t
index 4515aa6..01971c8 100644
--- a/t/10-ranges.t
+++ b/t/10-ranges.t
@@ -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 {