Adding TimeWithZone #marshal_dump and #marshal_load

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8975 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Adding TimeWithZone #marshal_dump and #marshal_load [Geoff Buesing]
+
 * Add OrderedHash#to_hash [josh]
 
 * Adding Time#end_of_day, _quarter, _week, and _year.  #9312 [Juanjo Bazan, Tarmo Tänav, BigTitus]

activesupport/lib/active_support/time_with_zone.rb

@@ -188,6 +188,14 @@ module ActiveSupport
     def freeze
       self
     end
+
+    def marshal_dump
+      [utc, time_zone.name, time]
+    end
+    
+    def marshal_load(variables)
+      initialize(variables[0], ::TimeZone[variables[1]], variables[2])
+    end
   
     # Ensure proxy class responds to all methods that underlying time instance responds to
     def respond_to?(sym)

activesupport/test/core_ext/time_with_zone_test.rb

@@ -209,6 +209,14 @@ uses_tzinfo 'TimeWithZoneTest' do
       assert_instance_of ActiveSupport::TimeWithZone, @twz.months_since(1)
       assert_equal Time.utc(2000, 1, 31, 19, 0 ,0), @twz.months_since(1).time
     end
+    
+    def test_marshal_dump_and_load
+      marshal_str = Marshal.dump(@twz)
+      mtime = Marshal.load(marshal_str)
+      assert_equal Time.utc(2000, 1, 1, 0), mtime.utc
+      assert_equal TimeZone['Eastern Time (US & Canada)'], mtime.time_zone
+      assert_equal Time.utc(1999, 12, 31, 19), mtime.time
+    end
       
     def test_method_missing_with_non_time_return_value
       assert_equal 1999, @twz.year