diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index 216d8a4477..8784dd7dd7 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -1304,6 +1304,10 @@ $stderr = $stdout; raise "\x82\xa0"') do |outs, errs, status|
     assert_operator(message, :start_with?, remark)
     assert_operator(message, :end_with?, bottom)
 
+    assert_raise_with_message(ArgumentError, /:top or :bottom/) {
+      e.full_message(highlight: false, order: :middle)
+    }
+
     message = e.full_message(highlight: true)
     assert_match(/\e/, message)