Change up the formatting in the test_rclcpp tests. (#537)

Newer uncrustify changes the indentation around lambdas.
Avoid that here by making sure the lambdas are all on
either one or two lines, which should make this work
for both current and newer uncrustify.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>

test_rclcpp/test/test_avoid_ros_namespace_conventions_qos.cpp

@@ -47,8 +47,7 @@ TEST_F(test_avoid_ros_namespace_conventions_qos, pub_sub_works)
   // code to create the callback and subscription
   int counter = 0;
   auto callback =
-    [&counter](test_rclcpp::msg::UInt32::ConstSharedPtr msg,
-      const rclcpp::MessageInfo & info) -> void
+    [&counter](test_rclcpp::msg::UInt32::ConstSharedPtr msg, const rclcpp::MessageInfo & info)
     {
       ++counter;
       printf("  callback() %d with message data %u\n", counter, msg->data);

test_rclcpp/test/test_multithreaded.cpp

@@ -66,9 +66,9 @@ static inline void multi_consumer_pub_sub_test(bool intra_process)
   std::vector<rclcpp::Subscription<test_rclcpp::msg::UInt32>::SharedPtr> subscriptions;
   std::atomic_int counter(0);
 
+  using MsgType = test_rclcpp::msg::UInt32;
   auto callback =
-    [&counter, &intra_process](test_rclcpp::msg::UInt32::ConstSharedPtr msg,
-      const rclcpp::MessageInfo & info) -> void
+    [&counter, &intra_process](MsgType::ConstSharedPtr msg, const rclcpp::MessageInfo & info)
     {
       counter.fetch_add(1);
       printf("callback() %d with message data %u\n", counter.load(), msg->data);
@@ -79,15 +79,15 @@ static inline void multi_consumer_pub_sub_test(bool intra_process)
   rclcpp::SubscriptionOptions subscription_options;
   subscription_options.callback_group = callback_group;
   for (uint32_t i = 0; i < num_messages; ++i) {
-    auto sub = node->create_subscription<test_rclcpp::msg::UInt32>(
+    auto sub = node->create_subscription<MsgType>(
       node_topic_name, 5 * num_messages, callback, subscription_options);
     subscriptions.push_back(sub);
   }
   ASSERT_TRUE(static_cast<size_t>(std::numeric_limits<int>::max()) > subscriptions.size());
   int subscriptions_size = static_cast<int>(subscriptions.size());
 
   executor.add_node(node);
-  test_rclcpp::msg::UInt32 msg;
+  MsgType msg;
   msg.data = 0;
 
   // wait a moment for everything to initialize
@@ -169,8 +169,9 @@ TEST_F(test_multithreaded, multi_consumer_clients)
   rclcpp::executors::MultiThreadedExecutor executor;
 
   std::atomic_int counter(0);
-  auto callback = [&counter](const std::shared_ptr<test_rclcpp::srv::AddTwoInts::Request> request,
-      std::shared_ptr<test_rclcpp::srv::AddTwoInts::Response> response)
+  using SrvType = test_rclcpp::srv::AddTwoInts;
+  auto callback =
+    [&counter](const SrvType::Request::SharedPtr request, SrvType::Response::SharedPtr response)
     {
       printf("Called service callback: %d\n", counter.load());
       ++counter;
@@ -185,16 +186,15 @@ TEST_F(test_multithreaded, multi_consumer_clients)
     "multi_consumer_clients", callback, qos_profile, callback_group);
 
   using ClientRequestPair = std::pair<
-    rclcpp::Client<test_rclcpp::srv::AddTwoInts>::SharedPtr,
-    test_rclcpp::srv::AddTwoInts::Request::SharedPtr>;
-  using SharedFuture = rclcpp::Client<test_rclcpp::srv::AddTwoInts>::SharedFuture;
-
+    rclcpp::Client<SrvType>::SharedPtr,
+    SrvType::Request::SharedPtr>;
+  using SharedFuture = rclcpp::Client<SrvType>::SharedFuture;
 
   std::vector<ClientRequestPair> client_request_pairs;
   for (uint32_t i = 0; i < 2 * std::min<size_t>(executor.get_number_of_threads(), 16); ++i) {
-    auto client = node->create_client<test_rclcpp::srv::AddTwoInts>(
+    auto client = node->create_client<SrvType>(
       "multi_consumer_clients", qos_profile, callback_group);
-    auto request = std::make_shared<test_rclcpp::srv::AddTwoInts::Request>();
+    auto request = std::make_shared<SrvType::Request>();
     request->a = i;
     request->b = i + 1;
     client_request_pairs.push_back(ClientRequestPair(client, request));

test_rclcpp/test/test_publisher.cpp

@@ -47,8 +47,7 @@ TEST_F(test_publisher, publish_with_const_reference)
   // code to create the callback and subscription
   int counter = 0;
   auto callback =
-    [&counter](test_rclcpp::msg::UInt32::ConstSharedPtr msg,
-      const rclcpp::MessageInfo & info) -> void
+    [&counter](test_rclcpp::msg::UInt32::ConstSharedPtr msg, const rclcpp::MessageInfo & info)
     {
       ++counter;
       printf("  callback() %d with message data %u\n", counter, msg->data);

test_rclcpp/test/test_subscription.cpp

@@ -290,8 +290,7 @@ TEST_F(test_subscription, subscription_shared_ptr_const_with_info)
   // create the callback and subscription
   int counter = 0;
   auto callback =
-    [&counter](test_rclcpp::msg::UInt32::ConstSharedPtr msg,
-      const rclcpp::MessageInfo & info) -> void
+    [&counter](test_rclcpp::msg::UInt32::ConstSharedPtr msg, const rclcpp::MessageInfo & info)
     {
       ++counter;
       printf("  callback() %d with message data %u\n", counter, msg->data);