1 files changed, 8 insertions, 1 deletions
diff --git a/activesupport/test/core_ext/object_and_class_ext_test.rb b/activesupport/test/core_ext/object_and_class_ext_test.rb
index 1fbb853bc9..a23da097e9 100644
--- a/activesupport/test/core_ext/object_and_class_ext_test.rb
+++ b/activesupport/test/core_ext/object_and_class_ext_test.rb
@@ -97,7 +97,14 @@ class ClassExtTest < Test::Unit::TestCase
     classes = Object.subclasses_of(ClassI, ClassK)
     assert_equal %w(ClassJ Nested::ClassL), classes.collect(&:to_s).sort
   end
-  
+
+  def test_subclasses_of_doesnt_find_anonymous_classes
+    assert_equal [], Object.subclasses_of(Foo)
+    bar = Class.new(Foo)
+    assert_nothing_raised do
+      assert_equal [bar], Object.subclasses_of(Foo)
+    end
+  end
 end
 
 class ObjectTests < Test::Unit::TestCase