1 files changed, 26 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/routing_test.rb b/actionpack/test/dispatch/routing_test.rb
index c4e71a8689..b1de96cee5 100644
--- a/actionpack/test/dispatch/routing_test.rb
+++ b/actionpack/test/dispatch/routing_test.rb
@@ -171,6 +171,12 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
         resources :descriptions
         root :to => 'projects#index'
       end
+
+      resources :products, :constraints => { :id => /\d{4}/ } do
+        resources :images
+      end
+
+      resource :dashboard, :constraints => { :ip => /192\.168\.1\.\d{1,3}/ }
     end
   end
 
@@ -794,6 +800,26 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     end
   end
 
+  def test_resource_constraints
+    with_test_routes do
+      assert_raise(ActionController::RoutingError) { get '/products/1' }
+      get '/products'
+      assert_equal 'products#index', @response.body
+      get '/products/0001'
+      assert_equal 'products#show', @response.body
+
+      assert_raise(ActionController::RoutingError) { get '/products/1/images' }
+      get '/products/0001/images'
+      assert_equal 'images#index', @response.body
+      get '/products/0001/images/1'
+      assert_equal 'images#show', @response.body
+
+      assert_raise(ActionController::RoutingError) { get '/dashboard', {}, {'REMOTE_ADDR' => '10.0.0.100'} }
+      get '/dashboard', {}, {'REMOTE_ADDR' => '192.168.1.100'}
+      assert_equal 'dashboards#show', @response.body
+    end
+  end
+
   private
     def with_test_routes
       yield