avoid to deprecated warnings with nil assertions.

1 files changed, 9 insertions, 3 deletions

diff --git a/test/psych/helper.rb b/test/psych/helper.rb
index 498cdf8..26c77fb 100644
--- a/test/psych/helper.rb
+++ b/test/psych/helper.rb
@@ -70,9 +70,15 @@ module Psych
     def assert_cycle( obj )
       v = Visitors::YAMLTree.create
       v << obj
-      assert_equal(obj, Psych.load(v.tree.yaml))
-      assert_equal( obj, Psych::load(Psych.dump(obj)))
-      assert_equal( obj, Psych::load( obj.psych_to_yaml ) )
+      if obj.nil?
+        assert_nil Psych.load(v.tree.yaml)
+        assert_nil Psych::load(Psych.dump(obj))
+        assert_nil Psych::load( obj.psych_to_yaml )
+      else
+        assert_equal(obj, Psych.load(v.tree.yaml))
+        assert_equal( obj, Psych::load(Psych.dump(obj)))
+        assert_equal( obj, Psych::load( obj.psych_to_yaml ) )
+      end
     end
 
     #