1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_struct.rb b/test/ruby/test_struct.rb
index 780d344b8e..19a66fb9b1 100644
--- a/test/ruby/test_struct.rb
+++ b/test/ruby/test_struct.rb
@@ -94,6 +94,12 @@ module TestStruct
   def test_initialize
     klass = @Struct.new(:a)
     assert_raise(ArgumentError) { klass.new(1, 2) }
+    klass = @Struct.new(:total) do
+      def initialize(a, b)
+        super(a+b)
+      end
+    end
+    assert_equal 3, klass.new(1,2).total
   end
 
   def test_each