fixed small renderer bug

Changes

@@ -3,6 +3,7 @@ This file documents the revision history for Perl extension Mojolicious.
 0.999926 2010-06-07 00:00:00
         - Added version requirement for all optional dependencies.
         - Improved documentation.
+        - Fixed small renderer bug.
 
 0.999925 2010-06-07 00:00:00
         - Updated WebSocket implementation to draft 76,

lib/Mojolicious/Controller.pm

@@ -188,10 +188,11 @@ sub render_inner {
     # Set
     $stash->{content}->{$name}
       ||= ref $content eq 'CODE' ? $content->() : $content
-      if $content;
+      if defined $content;
 
     # Get
-    $content = $stash->{content}->{$name} || '';
+    $content = $stash->{content}->{$name};
+    $content = '' unless defined $content;
     return Mojo::ByteStream->new("$content");
 }
 

t/mojolicious/lite_app.t

@@ -45,8 +45,11 @@ plugin 'header_condition';
 # GET /
 get '/' => 'root';
 
-# GET /null
-get '/null' => sub { shift->render_text(0) };
+# GET /null/0
+get '/null/:null' => sub {
+    my $self = shift;
+    $self->render(text => $self->param('null'), layout => 'layout');
+};
 
 # GET /привет/мир
 get '/привет/мир' =>
@@ -407,9 +410,11 @@ $t->head_ok('/')->status_is(200)->header_is(Server => 'Mojolicious (Perl)')
 $t->get_ok('/', '1234' x 1024)->status_is(200)
   ->content_is('/root.html/root.html/root.html/root.html/root.html');
 
-# GET /null
-$t->get_ok('/null')->status_is(200)->header_is(Server => 'Mojolicious (Perl)')
-  ->header_is('X-Powered-By' => 'Mojolicious (Perl)')->content_is('0');
+# GET /null/0
+$t->get_ok('/null/0')->status_is(200)
+  ->header_is(Server         => 'Mojolicious (Perl)')
+  ->header_is('X-Powered-By' => 'Mojolicious (Perl)')
+  ->content_like(qr/layouted 0/);
 
 # GET / (IRI)
 $t->get_ok('/привет/мир')->status_is(200)