1 files changed, 27 insertions, 1 deletions
diff --git a/actionpack/test/dispatch/routing_test.rb b/actionpack/test/dispatch/routing_test.rb
index 4b8d308043..c8e1b34b99 100644
--- a/actionpack/test/dispatch/routing_test.rb
+++ b/actionpack/test/dispatch/routing_test.rb
@@ -171,6 +171,8 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
             post :preview, :on => :collection
           end
         end
+
+        post 'new', :action => 'new', :on => :collection, :as => :new
       end
 
       resources :replies do
@@ -876,6 +878,12 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     assert_equal '/projects/1/edit', edit_project_path(:id => '1')
   end
 
+  def test_projects_with_post_action_and_new_path_on_collection
+    post '/projects/new'
+    assert_equal "project#new", @response.body
+    assert_equal "/projects/new", new_projects_path
+  end
+
   def test_projects_involvements
     get '/projects/1/involvements'
     assert_equal 'involvements#index', @response.body
@@ -2450,7 +2458,6 @@ class TestMultipleNestedController < ActionDispatch::IntegrationTest
     get "/foo/bar/baz"
     assert_equal "/pooh", @response.body
   end
-
 end
 
 class TestTildeAndMinusPaths < ActionDispatch::IntegrationTest
@@ -2512,3 +2519,22 @@ private
     %(<html><body>You are being <a href="#{ERB::Util.h(url)}">redirected</a>.</body></html>)
   end
 end
+
+class TestConstraintsAccessingParameters < ActionDispatch::IntegrationTest
+  Routes = ActionDispatch::Routing::RouteSet.new.tap do |app|
+    app.draw do
+      ok = lambda { |env| [200, { 'Content-Type' => 'text/plain' }, []] }
+
+      get "/:foo" => ok, :constraints => lambda { |r| r.params[:foo] == 'foo' }
+      get "/:bar" => ok
+    end
+  end
+
+  def app; Routes end
+
+  test "parameters are reset between constraint checks" do
+    get "/bar"
+    assert_equal nil, @request.params[:foo]
+    assert_equal "bar", @request.params[:bar]
+  end
+end