src: decouple classes from Nlsr object

refs: #1952, #2803, #3960, #4288

Change-Id: Ibe3ac3820f11e8107ee4b13e510d53c27467a6cb
diff --git a/tests/route/test-routing-table.cpp b/tests/route/test-routing-table.cpp
new file mode 100644
index 0000000..cd600f1
--- /dev/null
+++ b/tests/route/test-routing-table.cpp
@@ -0,0 +1,56 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2019,  The University of Memphis,
+ *                           Regents of the University of California
+ *
+ * This file is part of NLSR (Named-data Link State Routing).
+ * See AUTHORS.md for complete list of NLSR authors and contributors.
+ *
+ * NLSR 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.
+ *
+ * NLSR 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
+ * NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * \author Ashlesh Gawande <agawande@memphis.edu>
+ *
+ **/
+
+#include "route/routing-table.hpp"
+#include "nlsr.hpp"
+#include "../test-common.hpp"
+#include "route/routing-table-entry.hpp"
+#include "route/nexthop.hpp"
+#include <boost/test/unit_test.hpp>
+
+namespace nlsr {
+namespace test {
+
+BOOST_FIXTURE_TEST_SUITE(TestRoutingTable, BaseFixture)
+
+BOOST_AUTO_TEST_CASE(RoutingTableAddNextHop)
+{
+  ndn::util::DummyClientFace face;
+  ConfParameter conf(face);
+  ndn::KeyChain keyChain;
+  Nlsr nlsr(face, keyChain, conf);
+
+  RoutingTable rt1(m_scheduler, nlsr.m_fib, nlsr.m_lsdb,
+                   nlsr.m_namePrefixTable, conf);
+
+  NextHop nh1;
+  const std::string DEST_ROUTER = "destRouter";
+  rt1.addNextHop(DEST_ROUTER, nh1);
+
+  BOOST_CHECK_EQUAL(rt1.findRoutingTableEntry(DEST_ROUTER)->getDestination(), DEST_ROUTER);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace test
+} // namespace nlsr