1 files changed, 24 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/routing_test.rb b/actionpack/test/dispatch/routing_test.rb
index c8e1b34b99..e5345754cd 100644
--- a/actionpack/test/dispatch/routing_test.rb
+++ b/actionpack/test/dispatch/routing_test.rb
@@ -2538,3 +2538,27 @@ class TestConstraintsAccessingParameters < ActionDispatch::IntegrationTest
     assert_equal "bar", @request.params[:bar]
   end
 end
+
+class TestOptimizedNamedRoutes < ActionDispatch::IntegrationTest
+  Routes = ActionDispatch::Routing::RouteSet.new.tap do |app|
+    app.draw do
+      ok = lambda { |env| [200, { 'Content-Type' => 'text/plain' }, []] }
+      get '/foo' => ok, as: :foo
+    end
+  end
+
+  include Routes.url_helpers
+  def app; Routes end
+
+  test 'enabled when not mounted and default_url_options is empty' do
+    assert Routes.url_helpers.optimize_routes_generation?
+  end
+
+  test 'named route called as singleton method' do
+    assert_equal '/foo', Routes.url_helpers.foo_path
+  end
+
+  test 'named route called on included module' do
+    assert_equal '/foo', foo_path
+  end
+end