tests: Adding unit tests.

The purpose of this commit is to start pushing unit test I am writing. I will add more unit tests in each patch

Refs: #1496

Change-Id: Ic132adddfa06a95780712eba63966d3bab4743af
diff --git a/tests/test-nexthop-list.cpp b/tests/test-nexthop-list.cpp
new file mode 100644
index 0000000..10222e8
--- /dev/null
+++ b/tests/test-nexthop-list.cpp
@@ -0,0 +1,32 @@
+/**
+ * Copyright (C) 2014 Regents of the University of Memphis.
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "route/nexthop-list.hpp"
+#include "route/nexthop.hpp"
+#include <boost/test/unit_test.hpp>
+
+namespace nlsr {
+
+namespace test {
+
+BOOST_AUTO_TEST_SUITE(TestNhl)
+
+BOOST_AUTO_TEST_CASE(NhlAddNextHop)
+{
+  NextHop np1;
+
+  NexthopList nhl1;
+
+  nhl1.addNextHop(np1);
+  BOOST_CHECK_EQUAL(nhl1.getSize(), 1);
+
+  nhl1.removeNextHop(np1);
+  BOOST_CHECK_EQUAL(nhl1.getSize(), 0);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} //namespace test
+} //namespace nlsr