1 files changed, 32 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/routing_test.rb b/actionpack/test/dispatch/routing_test.rb
index ba7506721f..9685b24c1c 100644
--- a/actionpack/test/dispatch/routing_test.rb
+++ b/actionpack/test/dispatch/routing_test.rb
@@ -504,6 +504,12 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
       match '/countries/:country/(*other)', :to => redirect{ |params, req| params[:other] ? "/countries/all/#{params[:other]}" : '/countries/all' }
 
       match '/:locale/*file.:format', :to => 'files#show', :file => /path\/to\/existing\/file/
+
+      scope '/italians' do
+        match '/writers', :to => 'italians#writers', :constraints => ::TestRoutingMapper::IpRestrictor
+        match '/sculptors', :to => 'italians#sculptors'
+        match '/painters/:painter', :to => 'italians#painters', :constraints => {:painter => /michelangelo/}
+      end
     end
   end
 
@@ -845,6 +851,18 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     end
   end
 
+  # tests the use of dup in url_for
+  def test_url_for_with_no_side_effects
+    # without dup, additional (and possibly unwanted) values will be present in the options (eg. :host)
+    original_options = {:controller => 'projects', :action => 'status'}
+    options = original_options.dup
+
+    url_for options
+
+    # verify that the options passed in have not changed from the original ones
+    assert_equal original_options, options
+  end
+
   def test_projects_status
     with_test_routes do
       assert_equal '/projects/status', url_for(:controller => 'projects', :action => 'status', :only_path => true)
@@ -2229,6 +2247,20 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     verify_redirect 'http://www.example.com/countries/all/cities'
   end
 
+  def test_constraints_block_not_carried_to_following_routes
+    get '/italians/writers'
+    assert_equal 'Not Found', @response.body
+
+    get '/italians/sculptors'
+    assert_equal 'italians#sculptors', @response.body
+
+    get '/italians/painters/botticelli'
+    assert_equal 'Not Found', @response.body
+
+    get '/italians/painters/michelangelo'
+    assert_equal 'italians#painters', @response.body
+  end
+
   def test_custom_resource_actions_defined_using_string
     get '/customers/inactive'
     assert_equal 'customers#inactive', @response.body