src: Reorganizing source code in preparation to merge NRD code

Note that as of this commit, there are several changes in location of
compiled binaries in `build/` folder:

* `nfd` has been moved to `build/bin/nfd`
* `unit-tests` has been split into `unit-tests-core` and `unit-tests-daemon`

Change-Id: I2c830c117879edbaa5457d6423c13f0273285919
Refs: #1486
diff --git a/tests/daemon/fw/client-control-strategy.cpp b/tests/daemon/fw/client-control-strategy.cpp
new file mode 100644
index 0000000..c76fb52
--- /dev/null
+++ b/tests/daemon/fw/client-control-strategy.cpp
@@ -0,0 +1,96 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014  Regents of the University of California,
+ *                     Arizona Board of Regents,
+ *                     Colorado State University,
+ *                     University Pierre & Marie Curie, Sorbonne University,
+ *                     Washington University in St. Louis,
+ *                     Beijing Institute of Technology
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD 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.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+#include "fw/client-control-strategy.hpp"
+#include "strategy-tester.hpp"
+#include "tests/daemon/face/dummy-face.hpp"
+
+#include "tests/test-common.hpp"
+
+namespace nfd {
+namespace tests {
+
+BOOST_FIXTURE_TEST_SUITE(FwClientControlStrategy, BaseFixture)
+
+BOOST_AUTO_TEST_CASE(Forward3)
+{
+  Forwarder forwarder;
+  typedef StrategyTester<fw::ClientControlStrategy> ClientControlStrategyTester;
+  ClientControlStrategyTester strategy(forwarder);
+
+  shared_ptr<DummyFace> face1 = make_shared<DummyFace>();
+  shared_ptr<DummyFace> face2 = make_shared<DummyFace>();
+  shared_ptr<DummyFace> face3 = make_shared<DummyFace>();
+  shared_ptr<DummyLocalFace> face4 = make_shared<DummyLocalFace>();
+  face4->setLocalControlHeaderFeature(LOCAL_CONTROL_FEATURE_NEXT_HOP_FACE_ID);
+  forwarder.addFace(face1);
+  forwarder.addFace(face2);
+  forwarder.addFace(face3);
+  forwarder.addFace(face4);
+
+  Fib& fib = forwarder.getFib();
+  shared_ptr<fib::Entry> fibEntry = fib.insert(Name()).first;
+  fibEntry->addNextHop(face2, 0);
+
+  Pit& pit = forwarder.getPit();
+
+  // Interest with valid NextHopFaceId
+  shared_ptr<Interest> interest1 = makeInterest("ndn:/0z8r6yDDe");
+  interest1->setNextHopFaceId(face1->getId());
+  shared_ptr<pit::Entry> pitEntry1 = pit.insert(*interest1).first;
+  pitEntry1->insertOrUpdateInRecord(face4, *interest1);
+
+  strategy.m_sendInterestHistory.clear();
+  strategy.afterReceiveInterest(*face4, *interest1, fibEntry, pitEntry1);
+  BOOST_REQUIRE_EQUAL(strategy.m_sendInterestHistory.size(), 1);
+  BOOST_CHECK_EQUAL(strategy.m_sendInterestHistory[0].get<1>(), face1);
+
+  // Interest without NextHopFaceId
+  shared_ptr<Interest> interest2 = makeInterest("ndn:/y6JQADGVz");
+  shared_ptr<pit::Entry> pitEntry2 = pit.insert(*interest2).first;
+  pitEntry2->insertOrUpdateInRecord(face4, *interest2);
+
+  strategy.m_sendInterestHistory.clear();
+  strategy.afterReceiveInterest(*face4, *interest2, fibEntry, pitEntry2);
+  BOOST_REQUIRE_EQUAL(strategy.m_sendInterestHistory.size(), 1);
+  BOOST_CHECK_EQUAL(strategy.m_sendInterestHistory[0].get<1>(), face2);
+
+  // Interest with invalid NextHopFaceId
+  shared_ptr<Interest> interest3 = makeInterest("ndn:/0z8r6yDDe");
+  interest3->setNextHopFaceId(face3->getId());
+  shared_ptr<pit::Entry> pitEntry3 = pit.insert(*interest3).first;
+  pitEntry3->insertOrUpdateInRecord(face4, *interest3);
+
+  face3->close(); // face3 is closed and its FaceId becomes invalid
+  strategy.m_sendInterestHistory.clear();
+  strategy.m_rejectPendingInterestHistory.clear();
+  strategy.afterReceiveInterest(*face4, *interest3, fibEntry, pitEntry3);
+  BOOST_REQUIRE_EQUAL(strategy.m_sendInterestHistory.size(), 0);
+  BOOST_REQUIRE_EQUAL(strategy.m_rejectPendingInterestHistory.size(), 1);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace nfd