tests: sync common testing infrastructure with ndn-cxx

Upgrade waf to version 2.0.21

Change-Id: I30615cc49416088e9c5e4d602fd11360c0ed9328
diff --git a/tests/unit/daemon/zone.t.cpp b/tests/unit/daemon/zone.t.cpp
new file mode 100644
index 0000000..ed57285
--- /dev/null
+++ b/tests/unit/daemon/zone.t.cpp
@@ -0,0 +1,69 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2020, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "daemon/zone.hpp"
+
+#include "boost-test.hpp"
+
+#if BOOST_VERSION >= 105900
+#include <boost/test/tools/output_test_stream.hpp>
+#else
+#include <boost/test/output_test_stream.hpp>
+#endif
+
+namespace ndn {
+namespace ndns {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(Zone)
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+  Name zoneName("/net/ndnsim");
+  ndns::Zone zone1;
+  zone1.setName(zoneName);
+  zone1.setId(2);
+  zone1.setTtl(time::seconds(4000));
+
+  BOOST_CHECK_EQUAL(zone1.getId(), 2);
+  BOOST_CHECK_EQUAL(zone1.getName(), zoneName);
+  BOOST_CHECK_EQUAL(zone1.getTtl(), time::seconds(4000));
+
+  ndns::Zone zone2(zoneName);
+  BOOST_CHECK_EQUAL(zone1, zone2);
+  BOOST_CHECK_EQUAL(zone2.getName(), zone1.getName());
+
+  BOOST_CHECK_NE(zone1, ndns::Zone("/net/ndnsim2"));
+}
+
+BOOST_AUTO_TEST_CASE(Ostream)
+{
+  ndns::Zone zone("/test");
+  zone.setId(1);
+
+  boost::test_tools::output_test_stream os;
+  os << zone;
+  BOOST_CHECK(os.is_equal("Zone: Id=1 Name=/test"));
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace ndns
+} // namespace ndn