diff --git a/t/fill.t b/t/fill.t
index 28d3b9cb7a..11ed91e5f7 100644
--- a/t/fill.t
+++ b/t/fill.t
@@ -2,7 +2,7 @@ use Test::More;
 use strict;
 use warnings;
 
-plan tests => 4;
+plan tests => 5;
 
 BEGIN {
     use FindBin;
@@ -41,4 +41,15 @@ sub scale_points (@) { map [scale $_->[X], scale $_->[Y]], @_ }
     }
 }
 
+{
+    my $collection = Slic3r::Polyline::Collection->new(polylines => [
+        Slic3r::Polyline->new([0,15], [0,18], [0,20]),
+        Slic3r::Polyline->new([0,10], [0,8], [0,5]),
+    ]);
+    is_deeply
+        [ map $_->[Y], map @$_, $collection->shortest_path(Slic3r::Point->new(0,30)) ],
+        [20, 18, 15, 10, 8, 5],
+        'shortest path';
+}
+
 __END__