Fix Dependencies.autoloaded? to ignore anonymous modules. Closes #6561.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5811 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

 *SVN*
 
+* Fix Dependencies.autoloaded? to ignore anonymous modules. Closes #6561. [Nicholas Seckar]
+
 * Update load once paths to prevent nested once constants from being detected and claimed by an external non-once load. [Nicholas Seckar]
 
 * Deprecation: silence warnings when reporting test errors.  [Jeremy Kemper]

activesupport/lib/active_support/dependencies.rb

@@ -278,6 +278,7 @@ def remove_unloadable_constants!
   
   # Determine if the given constant has been automatically loaded.
   def autoloaded?(desc)
+    return false if desc.is_a?(Module) && desc.name.empty? # Empty name => anonymous module.
     name = to_constant_name desc
     return false unless qualified_const_defined? name
     return autoloaded_constants.include?(name)

activesupport/test/dependencies_test.rb

@@ -305,6 +305,8 @@ def test_autoloaded?
       assert Dependencies.autoloaded?("::ModuleFolder")
       assert Dependencies.autoloaded?(:ModuleFolder)
 
+      assert ! Dependencies.autoloaded?(Module.new)
+
       Object.send :remove_const, :ModuleFolder
     end
   end
@@ -705,7 +707,7 @@ def test_remove_constant_handles_double_colon_at_start
   def test_load_once_constants_should_not_be_unloaded
     with_loading 'autoloading_fixtures' do
       Dependencies.load_once_paths = Dependencies.load_paths
-      ::A
+      ::A.to_s
       assert defined?(A)
       Dependencies.clear
       assert defined?(A)