Date, Time, and DateTime#to_json. Closes #8399.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6773 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

 *SVN*
 
+* Date, Time, and DateTime#to_json.  #8399 [wycats]
+
 * Simplify API of assert_difference by passing in an expression that is evaluated before and after the passed in block. See documenation for examples of new API. [Marcel Molina Jr.]
 
 * Added assert_difference and assert_no_difference to test/unit assertions [Tobias Luetke]

activesupport/lib/active_support/json/encoders/date.rb

+class Date
+  def to_json #:nodoc:
+    %("#{strftime("%m/%d/%Y")}")
+  end
+end

activesupport/lib/active_support/json/encoders/date_time.rb

+class DateTime
+  def to_json #:nodoc:
+    %("#{strftime("%m/%d/%Y %H:%M:%S %Z")}")
+  end
+end

activesupport/lib/active_support/json/encoders/time.rb

+class Time
+  def to_json #:nodoc:
+    %("#{strftime("%m/%d/%Y %H:%M:%S %Z")}")
+  end
+end

activesupport/test/json/encoding_test.rb

@@ -29,6 +29,10 @@ def initialize(a, b)
                    [ ActiveSupport::JSON::Variable.new('alert("foo")'), 'alert("foo")']]
   RegexpTests   = [[ /^a/, '/^a/' ], [/^\w{1,2}[a-z]+/ix, '/^\\w{1,2}[a-z]+/ix']]
 
+  DateTests     = [[ Date.new(2005,1,1), %("01/01/2005") ]]
+  TimeTests     = [[ Time.at(0), %("12/31/1969 16:00:00 #{Time.at(0).zone}") ]]
+  DateTimeTests = [[ Time.at(0), %("12/31/1969 16:00:00 #{Time.at(0).zone}") ]]
+
   constants.grep(/Tests$/).each do |class_tests|
     define_method("test_#{class_tests[0..-6].downcase}") do
       self.class.const_get(class_tests).each do |pair|