face: Transport::getMtu

refs #3253

Change-Id: Ia4c5cfe210a99b798ce7d05f74ebdd7cfab214f4
diff --git a/tests/daemon/face/unix-stream-transport.t.cpp b/tests/daemon/face/unix-stream-transport.t.cpp
new file mode 100644
index 0000000..5049678
--- /dev/null
+++ b/tests/daemon/face/unix-stream-transport.t.cpp
@@ -0,0 +1,107 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  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,
+ *                           The University of Memphis.
+ *
+ * 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 "face/unix-stream-transport.hpp"
+
+#include "tests/test-common.hpp"
+#include <boost/filesystem.hpp>
+
+namespace nfd {
+namespace face {
+namespace tests {
+
+using namespace nfd::tests;
+typedef boost::asio::local::stream_protocol unix_stream;
+
+BOOST_AUTO_TEST_SUITE(Face)
+BOOST_FIXTURE_TEST_SUITE(TestUnixStreamTransport, BaseFixture)
+
+/** \brief automatically unlinks the socket file of a Unix stream acceptor
+ */
+class AcceptorWithCleanup : public unix_stream::acceptor
+{
+public:
+  AcceptorWithCleanup(const std::string& path = "")
+    : unix_stream::acceptor(getGlobalIoService())
+  {
+    this->open();
+    if (path.empty()) {
+      this->bind("unix-stream-acceptor." + to_string(time::system_clock::now().time_since_epoch().count()) + ".sock");
+    }
+    else {
+      this->bind(path);
+    }
+    this->listen(1);
+  }
+
+  ~AcceptorWithCleanup()
+  {
+    std::string path = this->local_endpoint().path();
+
+    boost::system::error_code ec;
+    this->close(ec);
+    boost::filesystem::remove(path, ec);
+  }
+};
+
+bool
+connectToAcceptor(unix_stream::acceptor& acceptor, unix_stream::socket& sock1, unix_stream::socket& sock2)
+{
+  bool isAccepted = false;
+  acceptor.async_accept(sock1, bind([&isAccepted] { isAccepted = true; }));
+
+  bool isConnected = false;
+  sock2.async_connect(acceptor.local_endpoint(), bind([&isConnected] { isConnected = true; }));
+
+  getGlobalIoService().poll();
+
+  return isAccepted && isConnected;
+}
+
+BOOST_AUTO_TEST_CASE(StaticProperties)
+{
+  AcceptorWithCleanup acceptor1;
+  unix_stream::socket sock1(getGlobalIoService());
+  unix_stream::socket sock2(getGlobalIoService());
+  BOOST_CHECK(connectToAcceptor(acceptor1, sock1, sock2));
+
+  UnixStreamTransport transport(std::move(sock1));
+
+  BOOST_CHECK_EQUAL(transport.getLocalUri().getScheme(), "unix");
+  BOOST_CHECK_EQUAL(transport.getLocalUri().getHost(), "");
+  BOOST_CHECK_EQUAL(transport.getLocalUri().getPath(), acceptor1.local_endpoint().path());
+  BOOST_CHECK_EQUAL(transport.getRemoteUri().getScheme(), "fd");
+  BOOST_CHECK_EQUAL(transport.getScope(), ndn::nfd::FACE_SCOPE_LOCAL);
+  BOOST_CHECK_EQUAL(transport.getPersistency(), ndn::nfd::FACE_PERSISTENCY_ON_DEMAND);
+  BOOST_CHECK_EQUAL(transport.getLinkType(), ndn::nfd::LINK_TYPE_POINT_TO_POINT);
+  BOOST_CHECK_EQUAL(transport.getMtu(), MTU_UNLIMITED);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestUnixStreamTransport
+BOOST_AUTO_TEST_SUITE_END() // Face
+
+} // namespace tests
+} // namespace face
+} // namespace nfd