1 files changed, 59 insertions, 2 deletions
diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index d2bfb02846..427c14edbd 100755
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -14,7 +14,6 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     ActiveRecord::Base.attribute_method_suffix *@old_suffixes
   end
 
-
   def test_match_attribute_method_query_returns_match_data
     assert_not_nil md = @target.match_attribute_method?('title=')
     assert_equal 'title', md.pre_match
@@ -97,7 +96,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase
   def test_only_time_related_columns_are_meant_to_be_cached_by_default
     expected = %w(datetime timestamp time date).sort
     assert_equal expected, ActiveRecord::Base.attribute_types_cached_by_default.map(&:to_s).sort
-end
+  end
 
   def test_declaring_attributes_as_cached_adds_them_to_the_attributes_cached_by_default
     default_attributes = Topic.cached_attributes
@@ -138,9 +137,67 @@ end
       end
     end
   end
+  
+  def test_time_attributes_are_retrieved_in_current_time_zone
+    in_time_zone "Pacific Time (US & Canada)" do
+      utc_time = Time.utc(2008, 1, 1)
+      record   = @target.new
+      record[:written_on] = utc_time
+      assert_equal utc_time, record.written_on # record.written on is equal to (i.e., simultaneous with) utc_time
+      assert_kind_of ActiveSupport::TimeWithZone, record.written_on # but is a TimeWithZone
+      assert_equal TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone # and is in the current Time.zone
+      assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time # and represents time values adjusted accordingly
+    end
+  end
+  
+  def test_setting_time_zone_aware_attribute_to_utc
+    in_time_zone "Pacific Time (US & Canada)" do
+      utc_time = Time.utc(2008, 1, 1)
+      record   = @target.new
+      record.written_on = utc_time
+      assert_equal utc_time, record.written_on
+      assert_equal TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
+      assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time
+    end
+  end
+  
+  def test_setting_time_zone_aware_attribute_in_other_time_zone
+    utc_time = Time.utc(2008, 1, 1)
+    cst_time = utc_time.in_time_zone("Central Time (US & Canada)")
+    in_time_zone "Pacific Time (US & Canada)" do
+      record   = @target.new
+      record.written_on = cst_time
+      assert_equal utc_time, record.written_on
+      assert_equal TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
+      assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time
+    end
+  end
+  
+  def test_setting_time_zone_aware_attribute_in_current_time_zone
+    utc_time = Time.utc(2008, 1, 1)
+    in_time_zone "Pacific Time (US & Canada)" do
+      record   = @target.new
+      record.written_on = utc_time.in_current_time_zone
+      assert_equal utc_time, record.written_on
+      assert_equal TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone
+      assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time
+    end
+  end
 
   private
   def time_related_columns_on_topic
     Topic.columns.select{|c| [:time, :date, :datetime, :timestamp].include?(c.type)}.map(&:name)
   end
+  
+  def in_time_zone(zone)
+    old_zone  = Time.zone
+    old_tz    = ActiveRecord::Base.time_zone_aware_attributes
+
+    Time.zone = zone ? TimeZone[zone] : nil
+    ActiveRecord::Base.time_zone_aware_attributes = !zone.nil?
+    yield
+  ensure
+    Time.zone = old_zone
+    ActiveRecord::Base.time_zone_aware_attributes = old_tz
+  end
 end