3 files changed, 41 insertions, 20 deletions
diff --git a/actionpack/test/abstract/abstract_controller_test.rb b/actionpack/test/abstract/abstract_controller_test.rb
index 19855490b4..981c023d38 100644
--- a/actionpack/test/abstract/abstract_controller_test.rb
+++ b/actionpack/test/abstract/abstract_controller_test.rb
@@ -30,14 +30,14 @@ module AbstractController
     class RenderingController < AbstractController::Base
       include ::AbstractController::Rendering
 
-      def _prefix() end
+      def _prefixes
+        []
+      end
 
       def render(options = {})
         if options.is_a?(String)
           options = {:_template_name => options}
         end
-
-        options[:_prefix] = _prefix
         super
       end
 
@@ -116,8 +116,8 @@ module AbstractController
         name.underscore
       end
 
-      def _prefix
-        self.class.prefix
+      def _prefixes
+        [self.class.prefix]
       end
     end
 
@@ -157,10 +157,10 @@ module AbstractController
       private
       def self.layout(formats)
         begin
-          find_template(name.underscore, {:formats => formats}, :_prefix => "layouts")
+          find_template(name.underscore, {:formats => formats}, :_prefixes => ["layouts"])
         rescue ActionView::MissingTemplate
           begin
-            find_template("application", {:formats => formats}, :_prefix => "layouts")
+            find_template("application", {:formats => formats}, :_prefixes => ["layouts"])
           rescue ActionView::MissingTemplate
           end
         end
diff --git a/actionpack/test/abstract/callbacks_test.rb b/actionpack/test/abstract/callbacks_test.rb
index 2d02078020..3bdde86291 100644
--- a/actionpack/test/abstract/callbacks_test.rb
+++ b/actionpack/test/abstract/callbacks_test.rb
@@ -22,7 +22,7 @@ module AbstractController
     class TestCallbacks1 < ActiveSupport::TestCase
       test "basic callbacks work" do
         controller = Callback1.new
-        result = controller.process(:index)
+        controller.process(:index)
         assert_equal "Hello world", controller.response_body
       end
     end
@@ -62,7 +62,7 @@ module AbstractController
       end
 
       test "before_filter works" do
-        result = @controller.process(:index)
+        @controller.process(:index)
         assert_equal "Hello world", @controller.response_body
       end
 
@@ -78,7 +78,7 @@ module AbstractController
 
       test "before_filter with overwritten condition" do
         @controller = Callback2Overwrite.new
-        result = @controller.process(:index)
+        @controller.process(:index)
         assert_equal "", @controller.response_body
       end
     end
@@ -103,12 +103,12 @@ module AbstractController
       end
 
       test "before_filter works with procs" do
-        result = @controller.process(:index)
+        @controller.process(:index)
         assert_equal "Hello world", @controller.response_body
       end
 
       test "after_filter works with procs" do
-        result = @controller.process(:index)
+        @controller.process(:index)
         assert_equal "Goodbye", @controller.instance_variable_get("@second")
       end
     end
@@ -152,7 +152,7 @@ module AbstractController
       end
 
       test "when :except is specified, an after filter is not triggered on that action" do
-        result = @controller.process(:index)
+        @controller.process(:index)
         assert !@controller.instance_variable_defined?("@authenticated")
       end
     end
@@ -186,17 +186,17 @@ module AbstractController
       end
 
       test "when :only is specified with an array, a before filter is triggered on that action" do
-        result = @controller.process(:index)
+        @controller.process(:index)
         assert_equal "Hello, World", @controller.response_body
       end
 
       test "when :only is specified with an array, a before filter is not triggered on other actions" do
-        result = @controller.process(:sekrit_data)
+        @controller.process(:sekrit_data)
         assert_equal "true", @controller.response_body
       end
 
       test "when :except is specified with an array, an after filter is not triggered on that action" do
-        result = @controller.process(:index)
+        @controller.process(:index)
         assert !@controller.instance_variable_defined?("@authenticated")
       end
     end
@@ -216,12 +216,12 @@ module AbstractController
       end
 
       test "when a callback is modified in a child with :only, it works for the :only action" do
-        result = @controller.process(:index)
+        @controller.process(:index)
         assert_equal "Hello world", @controller.response_body
       end
 
       test "when a callback is modified in a child with :only, it does not work for other actions" do
-        result = @controller.process(:not_index)
+        @controller.process(:not_index)
         assert_equal "", @controller.response_body
       end
     end
@@ -246,5 +246,26 @@ module AbstractController
       end
     end
 
+    class CallbacksWithArgs < ControllerWithCallbacks
+      set_callback :process_action, :before, :first
+
+      def first
+        @text = "Hello world"
+      end
+
+      def index(text)
+        self.response_body = @text + text
+      end
+    end
+
+    class TestCallbacksWithArgs < ActiveSupport::TestCase
+      test "callbacks still work when invoking process with multiple args" do
+        controller = CallbacksWithArgs.new
+        controller.process(:index, " Howdy!")
+        assert_equal "Hello world Howdy!", controller.response_body
+      end
+    end
+
+
   end
 end
diff --git a/actionpack/test/abstract/render_test.rb b/actionpack/test/abstract/render_test.rb
index 25dc8bd804..b9293d1241 100644
--- a/actionpack/test/abstract/render_test.rb
+++ b/actionpack/test/abstract/render_test.rb
@@ -6,8 +6,8 @@ module AbstractController
     class ControllerRenderer < AbstractController::Base
       include AbstractController::Rendering
 
-      def _prefix
-        "renderer"
+      def _prefixes
+        %w[renderer]
       end
 
       self.view_paths = [ActionView::FixtureResolver.new(