merges r28532 from trunk into ruby_1_9_2.

--
* ext/psych/lib/psych/visitors/to_ruby.rb(visit_Psych_Nodes_Scalar):
  teaching Psych to deserialize DateTime objects. [Bug #1390]

* ext/psych/lib/psych/visitors/yaml_tree.rb(visit_DateTime): added a
  method for serializing DateTime objects.

* ext/psych/lib/psych/scalar_scanner.rb(parse_time): add method for
  parsing times objects from a string.

* test/psych/test_date_time.rb: tests for dumping DateTime objects.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 0 deletions

diff --git a/test/psych/test_date_time.rb b/test/psych/test_date_time.rb
new file mode 100644
index 0000000000..df66d142f6
--- /dev/null
+++ b/test/psych/test_date_time.rb
@@ -0,0 +1,17 @@
+require_relative 'helper'
+require 'date'
+
+module Psych
+  class TestDateTime < TestCase
+    def test_string_tag
+      dt = DateTime.now
+      yaml = Psych.dump dt
+      assert_match(/DateTime/, yaml)
+    end
+
+    def test_round_trip
+      dt = DateTime.now
+      assert_cycle dt
+    end
+  end
+end