assert_respond_to

# File lib/test/unit/assertions.rb, line 199
      def assert_respond_to(object, method, message="")
        _wrap_assertion do
          full_message = build_message(nil, "<?>\ngiven as the method name argument to #assert_respond_to must be a Symbol or #respond_to\\?(:to_str).", method)

          assert_block(full_message) do
            method.kind_of?(Symbol) || method.respond_to?(:to_str)
          end
          full_message = build_message(message, "<?>\nof type <?>\nexpected to respond_to\\\\?<?>.\n", object, object.class, method)
          assert_block(full_message) { object.respond_to?(method) }
        end
      end