Make sure there are no gaps in spiral vase. Includes regression test. #1251

1 files changed, 24 insertions, 1 deletions

diff --git a/t/shells.t b/t/shells.t
index d84adb3e1..0da0099ea 100644
--- a/t/shells.t
+++ b/t/shells.t
@@ -1,4 +1,4 @@
-use Test::More tests => 4;
+use Test::More tests => 5;
 use strict;
 use warnings;
 
@@ -99,4 +99,27 @@ use Slic3r::Test;
         "shells are not propagated across perimeters of the neighbor layer";
 }
 
+{
+    my $config = Slic3r::Config->new_from_defaults;
+    $config->set('spiral_vase', 1);
+    $config->set('bottom_solid_layers', 0);
+    $config->set('skirts', 0);
+    
+    # TODO: this needs to be tested with a model with sloping edges, where starting
+    # points of each layer are not aligned - in that case we would test that no
+    # travel moves are left to move to the new starting point - in a cube, end
+    # points coincide with next layer starting points (provided there's no clipping)
+    my $print = Slic3r::Test::init_print('20mm_cube', config => $config);
+    my $travel_moves_after_first_extrusion = 0;
+    my $started_extruding = 0;
+    Slic3r::GCode::Reader->new(gcode => Slic3r::Test::gcode($print))->parse(sub {
+        my ($self, $cmd, $args, $info) = @_;
+        
+        $started_extruding = 1 if $info->{extruding};
+        $travel_moves_after_first_extrusion++
+            if $info->{travel} && $started_extruding && !exists $args->{Z};
+    });
+    is $travel_moves_after_first_extrusion, 0, "no gaps in spiral vase";
+}
+
 __END__