build: switch to C++17
Change-Id: I119767c48c085c62556347ba6c11a85e30c32ced
diff --git a/tests/io-key-chain-fixture.hpp b/tests/io-key-chain-fixture.hpp
index fa5beab..c88a700 100644
--- a/tests/io-key-chain-fixture.hpp
+++ b/tests/io-key-chain-fixture.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2014-2020, Regents of the University of California
+ * Copyright (c) 2014-2022, Regents of the University of California
*
* NAC library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
@@ -25,9 +25,7 @@
#include <boost/asio/io_service.hpp>
-namespace ndn {
-namespace nac {
-namespace tests {
+namespace ndn::nac::tests {
class IoKeyChainFixture : public ClockFixture, public KeyChainFixture
{
@@ -49,8 +47,6 @@
boost::asio::io_service m_io;
};
-} // namespace tests
-} // namespace nac
-} // namespace ndn
+} // namespace ndn::nac::tests
#endif // NAC_TESTS_IO_KEY_CHAIN_FIXTURE_HPP