1 files changed, 13 insertions, 0 deletions
diff --git a/actionview/test/template/controller_helper_test.rb b/actionview/test/template/controller_helper_test.rb
index 8dd0cedb75..46d20c188c 100644
--- a/actionview/test/template/controller_helper_test.rb
+++ b/actionview/test/template/controller_helper_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "abstract_unit"
 
 class ControllerHelperTest < ActionView::TestCase
@@ -18,4 +20,15 @@ class ControllerHelperTest < ActionView::TestCase
 
     assert_nil default_form_builder
   end
+
+  def test_respond_to
+    @controller = OpenStruct.new
+    assign_controller(@controller)
+    assert_not respond_to?(:params)
+    assert respond_to?(:assign_controller)
+
+    @controller.params = {}
+    assert respond_to?(:params)
+    assert respond_to?(:assign_controller)
+  end
 end