1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index e6888583f9..4db58e7619 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -501,6 +501,13 @@ EOS
     assert_equal Float::INFINITY, loop.lazy.cycle.size
     assert_equal nil, lazy.select{}.cycle(4).size
     assert_equal nil, lazy.select{}.cycle.size
+
+    class << (obj = Object.new)
+      def each; end
+      def size; 0; end
+      include Enumerable
+    end
+    assert_equal 0, obj.lazy.cycle.size
   end
 
   def test_map_zip