# File lib/test/unit/assertions.rb, line 330
      def assert_not_respond_to(object, method, message="")
        _wrap_assertion do
          full_message = build_message(message,
                                       "<?>.kind_of\\?(Symbol) or\n" +
                                       "<?>.respond_to\\?(:to_str) expected",
                                       method, method)
          assert_block(full_message) do
            method.kind_of?(Symbol) or method.respond_to?(:to_str)
          end
          full_message = build_message(message,
                                       "!<?>.respond_to\\?(?) expected\n" +
                                       "(Class: <?>)",
                                       object, method, object.class)
          assert_block(full_message) {!object.respond_to?(method)}
        end
      end