connection: cframe_size_error must be raised when received SETTINGS (ACK) with payload

1 files changed, 8 insertions, 0 deletions

diff --git a/test/plum/connection/test_handle_frame.rb b/test/plum/connection/test_handle_frame.rb
index 9f8d647..eee44db 100644
--- a/test/plum/connection/test_handle_frame.rb
+++ b/test/plum/connection/test_handle_frame.rb
@@ -12,6 +12,14 @@ class ServerConnectionHandleFrameTest < Minitest::Test
     }
   end
 
+  def test_server_handle_settings
+    open_server_connection {|con|
+      assert_connection_error(:frame_size_error) {
+        con << Frame.new(type: :settings, stream_id: 0, flags: [:ack], payload: "\x00").assemble
+      }
+    }
+  end
+
   def test_server_handle_settings_invalid
     open_server_connection {|con|
       assert_no_error {