Fix of a cooling buffer over multiple extruders.

1 files changed, 14 insertions, 2 deletions

diff --git a/t/cooling.t b/t/cooling.t
index 0f0aef618..1317f1dce 100644
--- a/t/cooling.t
+++ b/t/cooling.t
@@ -2,7 +2,7 @@ use Test::More;
 use strict;
 use warnings;
 
-plan tests => 13;
+plan tests => 15;
 
 BEGIN {
     use FindBin;
@@ -32,7 +32,7 @@ sub buffer {
     $gcodegen = Slic3r::GCode->new;
     $gcodegen->apply_print_config($print_config);
     $gcodegen->set_layer_count(10);
-    $gcodegen->set_elapsed_time(0);
+    $gcodegen->set_extruders([ 0 ]);
     return Slic3r::GCode::CoolingBuffer->new($gcodegen);
 }
 
@@ -125,6 +125,18 @@ $config->set('disable_fan_first_layers',    [ 0 ]);
 }
 
 {
+    my $buffer = buffer($config, {
+            'cooling'                   => [ 1               , 0                ],
+            'fan_below_layer_time'      => [ $print_time2 + 1, $print_time2 + 1 ], 
+            'slowdown_below_layer_time' => [ $print_time2 + 2, $print_time2 + 2 ]
+        });
+    $buffer->gcodegen->set_extruders([ 0, 1 ]);
+    my $gcode = $buffer->process_layer($gcode1 . "T1\nG1 X0 E1 F3000\n", 0);
+    like $gcode, qr/^M106/, 'fan is activated for the 1st tool';
+    like $gcode, qr/.*M107/, 'fan is disabled for the 2nd tool';
+}
+
+{
     my $config = Slic3r::Config->new_from_defaults;
     $config->set('cooling', [ 1 ]);
     $config->set('bridge_fan_speed', [ 100 ]);