1 files changed, 11 insertions, 2 deletions
diff --git a/test/psych/test_object.rb b/test/psych/test_object.rb
index 0faf6b244d..21c27794ea 100644
--- a/test/psych/test_object.rb
+++ b/test/psych/test_object.rb
@@ -36,10 +36,19 @@ module Psych
     def test_cyclic_references
       foo = Foo.new(nil)
       foo.parent = foo
-      loaded = Psych.unsafe_load Psych.dump foo
+      loaded = Psych.load(Psych.dump(foo), permitted_classes: [Foo], aliases: true)
 
       assert_instance_of(Foo, loaded)
-      assert_equal loaded, loaded.parent
+      assert_same loaded, loaded.parent
+    end
+
+    def test_cyclic_reference_uses_alias
+      foo = Foo.new(nil)
+      foo.parent = foo
+
+      assert_raise(AliasesNotEnabled) do
+        Psych.load(Psych.dump(foo), permitted_classes: [Foo], aliases: false)
+      end
     end
   end
 end