Fix crash when using multiple skirts with a single, non-zero, extruder. Includes regression test

1 files changed, 12 insertions, 1 deletions

diff --git a/t/multi.t b/t/multi.t
index cf1885837..c835400cc 100644
--- a/t/multi.t
+++ b/t/multi.t
@@ -1,4 +1,4 @@
-use Test::More tests => 6;
+use Test::More tests => 7;
 use strict;
 use warnings;
 
@@ -67,6 +67,17 @@ use Slic3r::Test;
 }
 
 {
+    my $config = Slic3r::Config->new_from_defaults;
+    $config->set('perimeter_extruder', 2);
+    $config->set('infill_extruder', 2);
+    $config->set('support_material_extruder', 2);
+    $config->set('support_material_interface_extruder', 2);
+    
+    my $print = Slic3r::Test::init_print('20mm_cube', config => $config);
+    ok Slic3r::Test::gcode($print), 'no errors when using multiple skirts with a single, non-zero, extruder';
+}
+
+{
     my $model = Slic3r::Model->new;
     my $object = $model->add_object;
     my $lower_config = $model->set_material('lower')->config;