1 files changed, 15 insertions, 0 deletions
diff --git a/test/psych/test_date_time.rb b/test/psych/test_date_time.rb
index 443669d..7745eb4 100644
--- a/test/psych/test_date_time.rb
+++ b/test/psych/test_date_time.rb
@@ -9,10 +9,25 @@ module Psych
       assert_cycle time
     end
 
+    def test_usec
+      time = Time.utc(2017, 4, 13, 12, 0, 0, 5)
+      assert_cycle time
+    end
+
+    def test_non_utc
+      time = Time.new(2017, 4, 13, 12, 0, 0.5, "+09:00")
+      assert_cycle time
+    end
+
     def test_new_datetime
       assert_cycle DateTime.new
     end
 
+    def test_datetime_non_utc
+      dt = DateTime.new(2017, 4, 13, 12, 0, 0.5, "+09:00")
+      assert_cycle dt
+    end
+
     def test_invalid_date
       assert_cycle "2013-10-31T10:40:07-000000000000033"
     end