# File lib/test/unit/assertions.rb, line 353
      def assert_operator(object1, operator, object2, message="")
        _wrap_assertion do
          full_message = build_message(nil, "<?>\ngiven as the operator for #assert_operator must be a Symbol or #respond_to\\?(:to_str).", operator)
          assert_block(full_message){operator.kind_of?(Symbol) || operator.respond_to?(:to_str)}
          full_message = build_message(message, "<?> expected to be\n?\n<?>.\n", object1, AssertionMessage.literal(operator), object2)
          assert_block(full_message) { object1.__send__(operator, object2) }
        end
      end