src: decouple classes from Nlsr object

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

Change-Id: Ibe3ac3820f11e8107ee4b13e510d53c27467a6cb
diff --git a/tests/route/test-map.cpp b/tests/route/test-map.cpp
new file mode 100644
index 0000000..a324b6e
--- /dev/null
+++ b/tests/route/test-map.cpp
@@ -0,0 +1,48 @@
+/* -*- 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/map.hpp"
+#include <boost/test/unit_test.hpp>
+
+namespace nlsr {
+
+namespace test {
+
+BOOST_AUTO_TEST_SUITE(TestMap)
+
+BOOST_AUTO_TEST_CASE(MapAddElementAndSize)
+{
+  Map map1;
+
+  std::string router1 = "r1";
+  std::string router2 = "r2";
+
+  map1.addEntry(router1);
+  map1.addEntry(router2);
+
+  BOOST_CHECK_EQUAL(map1.getMapSize(), 2);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace test
+} // namespace nlsr