1 files changed, 22 insertions, 0 deletions
diff --git a/test/unit/mailbox/callbacks_test.rb b/test/unit/mailbox/callbacks_test.rb
index b6cfef9868..fccd89b9df 100644
--- a/test/unit/mailbox/callbacks_test.rb
+++ b/test/unit/mailbox/callbacks_test.rb
@@ -10,6 +10,21 @@ class CallbackMailbox < ActionMailbox::Base
   end
 end
 
+class BouncingCallbackMailbox < ActionMailbox::Base
+  before_processing { $before_processing = [ "Pre-bounce" ] }
+
+  before_processing do
+    bounce_with BounceMailer.bounce(to: mail.from)
+    $before_processing << "Bounce"
+  end
+
+  before_processing { $before_processing << "Post-bounce" }
+
+  def process
+    $processed = mail.subject
+  end
+end
+
 class ActionMailbox::Base::CallbacksTest < ActiveSupport::TestCase
   setup do
     $before_processing = $after_processing = $around_processing = $processed = false
@@ -22,4 +37,11 @@ class ActionMailbox::Base::CallbacksTest < ActiveSupport::TestCase
     assert_equal "Ran that too!", $after_processing
     assert_equal "Ran that as well!", $around_processing
   end
+
+  test "bouncing in a callback terminates processing" do
+    BouncingCallbackMailbox.receive @inbound_email
+    assert @inbound_email.bounced?
+    assert_equal [ "Pre-bounce", "Bounce" ], $before_processing
+    assert_not $processed
+  end
 end