diff --git a/rclcpp/test/rclcpp/test_future_return_code.cpp b/rclcpp/test/rclcpp/test_future_return_code.cpp index f4647b6e29..0ad2dcd44b 100644 --- a/rclcpp/test/rclcpp/test_future_return_code.cpp +++ b/rclcpp/test/rclcpp/test_future_return_code.cpp @@ -1,4 +1,4 @@ -// Copyright 2015 Open Source Robotics Foundation, Inc. +// Copyright 2020 Open Source Robotics Foundation, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. @@ -14,6 +14,7 @@ #include +#include #include #include "rclcpp/future_return_code.hpp" @@ -32,3 +33,10 @@ TEST(TestFutureReturnCode, to_string) { EXPECT_EQ( "Unknown enum value (100)", rclcpp::to_string(rclcpp::FutureReturnCode(100))); } + +TEST(FutureReturnCode, ostream) { + std::ostringstream ostream; + + ostream << rclcpp::FutureReturnCode::SUCCESS; + ASSERT_EQ("SUCCESS (0)", ostream.str()); +}