1 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index ab9abf27f9..c336fd9afb 100755
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -186,6 +186,14 @@ class AttributeMethodsTest < ActiveRecord::TestCase
       end
     end
   end
+  
+  def test_setting_time_zone_aware_attribute_to_blank_string_returns_nil
+    in_time_zone "Pacific Time (US & Canada)" do
+      record   = @target.new
+      record.written_on = ' '
+      assert_nil record.written_on
+    end
+  end
 
   def test_setting_time_zone_aware_attribute_interprets_time_zone_unaware_string_in_time_zone
     time_string = 'Tue Jan 01 00:00:00 2008'