build: switch to C++17
Change-Id: Id6217b5c993f3e4726e89773128b565e5f136bb6
diff --git a/tests/chunks/producer.t.cpp b/tests/chunks/producer.t.cpp
index ef53422..a4a280b 100644
--- a/tests/chunks/producer.t.cpp
+++ b/tests/chunks/producer.t.cpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2016-2021, Regents of the University of California,
+ * Copyright (c) 2016-2022, Regents of the University of California,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University.
*
@@ -37,9 +37,7 @@
#include <cmath>
#include <sstream>
-namespace ndn {
-namespace chunks {
-namespace tests {
+namespace ndn::chunks::tests {
using namespace ndn::tests;
@@ -222,6 +220,4 @@
BOOST_AUTO_TEST_SUITE_END() // TestProducer
BOOST_AUTO_TEST_SUITE_END() // Chunks
-} // namespace tests
-} // namespace chunks
-} // namespace ndn
+} // namespace ndn::chunks::tests