Make #until works correctly with Date objects

Closes #118

lib/ice_cube/time_util.rb

@@ -24,9 +24,10 @@ def self.now
     end
 
     # Ensure that this is either nil, or a time
-    def self.ensure_time(time)
+    def self.ensure_time(time, date_eod = false)
       case time
-      when Date, DateTime then time.to_time
+      when DateTime then time.to_time
+      when Date then date_eod ? time.to_time.end_of_day : time.to_time
       else time
       end
     end

lib/ice_cube/validations/until.rb

@@ -11,7 +11,7 @@ def until_time
     deprecated_alias :until_date, :until_time
 
     def until(time)
-      @until = TimeUtil.ensure_time time
+      @until = time = TimeUtil.ensure_time time, true
       replace_validations_for(:until, time.nil? ? nil : [Validation.new(time)])
       self
     end

spec/examples/regression_spec.rb

@@ -198,4 +198,10 @@
     schedule.occurrences_between(start_time, end_time).first.should == start_time
   end
 
+  it 'should include occurrences on until _date_ [#118]' do
+    schedule = IceCube::Schedule.new Time.new(2012, 4, 27)
+    schedule.rrule IceCube::Rule.daily.hour_of_day(12).until(Date.new(2012, 4, 28))
+    schedule.all_occurrences.should == [Time.new(2012, 4, 27, 12), Time.new(2012, 4, 28, 12)]
+  end
+
 end