diff --git a/activesupport/test/inflector_test.rb b/activesupport/test/inflector_test.rb
index 6b9fbd3..408a2c7 100644
--- a/activesupport/test/inflector_test.rb
+++ b/activesupport/test/inflector_test.rb
@@ -8,6 +8,15 @@ module Ace
   end
 end
 
+class Alpha
+  class Beta
+  end
+end
+
+class Gamma < Alpha
+end
+
+
 class InflectorTest < Test::Unit::TestCase
   include InflectorTestCases
 
@@ -167,6 +176,7 @@ class InflectorTest < Test::Unit::TestCase
     assert_nothing_raised { assert_equal Ace::Base::Case, ActiveSupport::Inflector.constantize("::Ace::Base::Case") }
     assert_nothing_raised { assert_equal InflectorTest, ActiveSupport::Inflector.constantize("InflectorTest") }
     assert_nothing_raised { assert_equal InflectorTest, ActiveSupport::Inflector.constantize("::InflectorTest") }
+    assert_nothing_raised { assert_equal Gamma::Beta, ActiveSupport::Inflector.constantize("Gamma::Beta") }
     assert_raise(NameError) { ActiveSupport::Inflector.constantize("UnknownClass") }
     assert_raise(NameError) { ActiveSupport::Inflector.constantize("An invalid string") }
     assert_raise(NameError) { ActiveSupport::Inflector.constantize("InvalidClass\n") }