1 files changed, 6 insertions, 0 deletions
diff --git a/test/psych/test_string.rb b/test/psych/test_string.rb
index 51f1280abf..cffc12163b 100644
--- a/test/psych/test_string.rb
+++ b/test/psych/test_string.rb
@@ -2,6 +2,12 @@ require 'psych/helper'
 
 module Psych
   class TestString < TestCase
+    def test_string_with_base_60
+      yaml = Psych.dump '01:03:05'
+      assert_match "'01:03:05'", yaml
+      assert_equal '01:03:05', Psych.load(yaml)
+    end
+
     def test_tagged_binary_should_be_dumped_as_binary
       string = "hello world!"
       string.force_encoding 'ascii-8bit'