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