Added ActionDispatch::Journey::Routes#empty?

actionpack/lib/action_dispatch/journey/routes.rb

@@ -16,6 +16,10 @@ def initialize
         @simulator          = nil
       end
 
+      def empty?
+        routes.empty?
+      end
+
       def length
         routes.length
       end

actionpack/test/dispatch/routing/route_set_test.rb

@@ -17,6 +17,16 @@ def call(env)
         @set = RouteSet.new
       end
 
+      test "not being empty when route is added" do
+        assert empty?
+
+        draw do
+          get 'foo', to: SimpleApp.new('foo#index')
+        end
+
+        refute empty?
+      end
+
       test "url helpers are added when route is added" do
         draw do
           get 'foo', to: SimpleApp.new('foo#index')
@@ -136,6 +146,10 @@ def draw(&block)
         def url_helpers
           @set.url_helpers
         end
+
+        def empty?
+          @set.empty?
+        end
     end
   end
 end

actionpack/test/journey/routes_test.rb

@@ -14,9 +14,11 @@ def test_clear
         requirements = { :hello => /world/ }
 
         routes.add_route nil, path, requirements, {:id => nil}, {}
+        refute routes.empty?
         assert_equal 1, routes.length
 
         routes.clear
+        assert routes.empty?
         assert_equal 0, routes.length
       end