1 files changed, 18 insertions, 0 deletions
diff --git a/activesupport/test/dependencies_test.rb b/activesupport/test/dependencies_test.rb
index b0e96731cc..fe8f51e11a 100644
--- a/activesupport/test/dependencies_test.rb
+++ b/activesupport/test/dependencies_test.rb
@@ -520,6 +520,24 @@ class DependenciesTest < Test::Unit::TestCase
     ActiveSupport::Dependencies.autoload_once_paths = []
   end
 
+  def test_autoload_once_pathnames_do_not_add_to_autoloaded_constants
+    with_autoloading_fixtures do
+      pathnames = ActiveSupport::Dependencies.autoload_paths.collect{|p| Pathname.new(p)}
+      ActiveSupport::Dependencies.autoload_paths = pathnames
+      ActiveSupport::Dependencies.autoload_once_paths = pathnames
+
+      assert ! ActiveSupport::Dependencies.autoloaded?("ModuleFolder")
+      assert ! ActiveSupport::Dependencies.autoloaded?("ModuleFolder::NestedClass")
+      assert ! ActiveSupport::Dependencies.autoloaded?(ModuleFolder)
+
+      1 if ModuleFolder::NestedClass # 1 if to avoid warning
+      assert ! ActiveSupport::Dependencies.autoloaded?(ModuleFolder::NestedClass)
+    end
+  ensure
+    Object.class_eval { remove_const :ModuleFolder }
+    ActiveSupport::Dependencies.autoload_once_paths = []
+  end
+
   def test_application_should_special_case_application_controller
     with_autoloading_fixtures do
       require_dependency 'application'