1 files changed, 13 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/time_with_zone_test.rb b/activesupport/test/core_ext/time_with_zone_test.rb
index 72b540efe0..774fd57ee6 100644
--- a/activesupport/test/core_ext/time_with_zone_test.rb
+++ b/activesupport/test/core_ext/time_with_zone_test.rb
@@ -385,6 +385,19 @@ class TimeWithZoneTest < Test::Unit::TestCase
       assert_equal @twz.inspect, mtime.inspect
     end
   end
+  
+  def test_freeze
+    @twz.freeze
+    assert @twz.frozen?
+  end
+  
+  def test_freeze_preloads_instance_variables
+    @twz.freeze
+    assert_nothing_raised do
+      @twz.period
+      @twz.time
+    end
+  end
 
   uses_mocha 'TestDatePartValueMethods' do
     def test_method_missing_with_non_time_return_value