build: switch to C++17
Change-Id: Id6217b5c993f3e4726e89773128b565e5f136bb6
diff --git a/tests/ping/client/ping.t.cpp b/tests/ping/client/ping.t.cpp
index a0eb163..a008271 100644
--- a/tests/ping/client/ping.t.cpp
+++ b/tests/ping/client/ping.t.cpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2014-2021, Arizona Board of Regents.
+ * Copyright (c) 2014-2022, Arizona Board of Regents.
*
* This file is part of ndn-tools (Named Data Networking Essential Tools).
* See AUTHORS.md for complete list of ndn-tools authors and contributors.
@@ -24,10 +24,7 @@
#include <ndn-cxx/util/dummy-client-face.hpp>
-namespace ndn {
-namespace ping {
-namespace client {
-namespace tests {
+namespace ndn::ping::client::tests {
using namespace ndn::tests;
@@ -96,7 +93,4 @@
BOOST_AUTO_TEST_SUITE_END() // TestClient
BOOST_AUTO_TEST_SUITE_END() // Ping
-} // namespace tests
-} // namespace client
-} // namespace ping
-} // namespace ndn
+} // namespace ndn::ping::client::tests