3 files changed, 7 insertions, 4 deletions
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index 413f6d48e5..3ede681253 100644
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -969,7 +969,9 @@ module ActionController #:nodoc:
       # If-Modified-Since request header is <= last modified.
       def last_modified!(utc_time)
         response.last_modified= utc_time
-        head(:not_modified) if response.last_modified == request.if_modified_since
+        if request.if_modified_since && request.if_modified_since <= utc_time
+          head(:not_modified)
+        end
       end
 
       # Sets the ETag response header. Returns 304 Not Modified if the
diff --git a/actionpack/lib/action_controller/routing/builder.rb b/actionpack/lib/action_controller/routing/builder.rb
index 5704d9d01a..7b888fa8d2 100644
--- a/actionpack/lib/action_controller/routing/builder.rb
+++ b/actionpack/lib/action_controller/routing/builder.rb
@@ -60,12 +60,10 @@ module ActionController
       # segments are passed alongside in order to distinguish between default values
       # and requirements.
       def divide_route_options(segments, options)
-        options = options.dup
+        options = options.except(:path_prefix, :name_prefix)
 
         if options[:namespace]
           options[:controller] = "#{options.delete(:namespace).sub(/\/$/, '')}/#{options[:controller]}"
-          options.delete(:path_prefix)
-          options.delete(:name_prefix)
         end
 
         requirements = (options.delete(:requirements) || {}).dup
diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index 6a39039504..4fc60f0697 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -134,6 +134,9 @@ module ActionController
       @controller = self.class.controller_class.new
       @controller.request = @request = TestRequest.new
       @response = TestResponse.new
+
+      @controller.params = {}
+      @controller.send(:initialize_current_url)
     end
     
     # Cause the action to be rescued according to the regular rules for rescue_action when the visitor is not local