1 files changed, 9 insertions, 3 deletions
diff --git a/test/psych/test_scalar_scanner.rb b/test/psych/test_scalar_scanner.rb
index 25999892bc..e51fc69c4a 100644
--- a/test/psych/test_scalar_scanner.rb
+++ b/test/psych/test_scalar_scanner.rb
@@ -79,15 +79,21 @@ module Psych
     end
 
     def test_scan_null
-      assert_equal nil, ss.tokenize('null')
-      assert_equal nil, ss.tokenize('~')
-      assert_equal nil, ss.tokenize('')
+      assert_nil ss.tokenize('null')
+      assert_nil ss.tokenize('~')
+      assert_nil ss.tokenize('')
     end
 
     def test_scan_symbol
       assert_equal :foo, ss.tokenize(':foo')
     end
 
+    def test_scan_not_sexagesimal
+      assert_equal '00:00:00:00:0f', ss.tokenize('00:00:00:00:0f')
+      assert_equal '00:00:00:00:00', ss.tokenize('00:00:00:00:00')
+      assert_equal '00:00:00:00:00.0', ss.tokenize('00:00:00:00:00.0')
+    end
+
     def test_scan_sexagesimal_float
       assert_equal 685230.15, ss.tokenize('190:20:30.15')
     end