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-rw-r--r--test/psych/test_null.rb19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/psych/test_null.rb b/test/psych/test_null.rb
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index 0000000000..ca78aa9214
--- /dev/null
+++ b/test/psych/test_null.rb
@@ -0,0 +1,19 @@
+require 'test/psych/helper'
+
+module Psych
+ ###
+ # Test null from YAML spec:
+ # http://yaml.org/type/null.html
+ class TestNull < TestCase
+ def test_null_list
+ assert_equal [nil] * 5, Psych.load(<<-eoyml)
+---
+- ~
+- null
+-
+- Null
+- NULL
+ eoyml
+ end
+ end
+end