tests/daemon/face/websocket-transport.t.cpp - NFD - Gitiles

 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
  * Copyright (c) 2014-2022,  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 "transport-test-common.hpp"

 #include "websocket-transport-fixture.hpp"

 #include <boost/mpl/vector.hpp>

 namespace nfd::tests {

 using namespace nfd::face;

 BOOST_AUTO_TEST_SUITE(Face)
 BOOST_FIXTURE_TEST_SUITE(TestWebSocketTransport, IpTransportFixture<WebSocketTransportFixture>)

 using WebSocketTransportFixtures = boost::mpl::vector<
   GENERATE_IP_TRANSPORT_FIXTURE_INSTANTIATIONS(WebSocketTransportFixture)
 >;

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(StaticProperties, T, WebSocketTransportFixtures, T)
 {
   TRANSPORT_TEST_INIT();

   checkStaticPropertiesInitialized(*this->transport);

   BOOST_CHECK_EQUAL(this->transport->getLocalUri(), FaceUri(ip::tcp::endpoint(this->address, 20070), "ws"));
   BOOST_CHECK_EQUAL(this->transport->getRemoteUri(), FaceUri(this->remoteEp, "wsclient"));
   BOOST_CHECK_EQUAL(this->transport->getScope(),
                     this->addressScope == AddressScope::Loopback ? ndn::nfd::FACE_SCOPE_LOCAL
                                                                  : ndn::nfd::FACE_SCOPE_NON_LOCAL);
   BOOST_CHECK_EQUAL(this->transport->getPersistency(), ndn::nfd::FACE_PERSISTENCY_ON_DEMAND);
   BOOST_CHECK_EQUAL(this->transport->getLinkType(), ndn::nfd::LINK_TYPE_POINT_TO_POINT);
   BOOST_CHECK_EQUAL(this->transport->getMtu(), MTU_UNLIMITED);
   BOOST_CHECK_EQUAL(this->transport->getSendQueueCapacity(), QUEUE_UNSUPPORTED);
 }

 using StaticPropertiesV4MappedFixtures = boost::mpl::vector<
   IpTransportFixture<WebSocketTransportFixture, AddressFamily::V4, AddressScope::Loopback>,
   IpTransportFixture<WebSocketTransportFixture, AddressFamily::V4, AddressScope::Global>
 >;

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(StaticPropertiesV4Mapped, T, StaticPropertiesV4MappedFixtures, T)
 {
   TRANSPORT_TEST_CHECK_PRECONDITIONS();
   auto mappedAddr = ip::address_v6::v4_mapped(this->address.to_v4());
   BOOST_REQUIRE(mappedAddr.is_v4_mapped());
   WebSocketTransportFixture::initialize(mappedAddr);

   checkStaticPropertiesInitialized(*this->transport);

   BOOST_CHECK_EQUAL(this->transport->getLocalUri(), FaceUri(ip::tcp::endpoint(mappedAddr, 20070), "ws"));
   BOOST_CHECK_EQUAL(this->transport->getRemoteUri(), FaceUri(this->remoteEp, "wsclient"));
   BOOST_CHECK_EQUAL(this->transport->getScope(),
                     this->addressScope == AddressScope::Loopback ? ndn::nfd::FACE_SCOPE_LOCAL
                                                                  : ndn::nfd::FACE_SCOPE_NON_LOCAL);
   BOOST_CHECK_EQUAL(this->transport->getPersistency(), ndn::nfd::FACE_PERSISTENCY_ON_DEMAND);
   BOOST_CHECK_EQUAL(this->transport->getLinkType(), ndn::nfd::LINK_TYPE_POINT_TO_POINT);
   BOOST_CHECK_EQUAL(this->transport->getMtu(), MTU_UNLIMITED);
 }

 BOOST_AUTO_TEST_CASE(PersistencyChange)
 {
   TRANSPORT_TEST_INIT();

   BOOST_CHECK_EQUAL(transport->canChangePersistencyTo(ndn::nfd::FACE_PERSISTENCY_ON_DEMAND), true);
   BOOST_CHECK_EQUAL(transport->canChangePersistencyTo(ndn::nfd::FACE_PERSISTENCY_PERSISTENT), false);
   BOOST_CHECK_EQUAL(transport->canChangePersistencyTo(ndn::nfd::FACE_PERSISTENCY_PERMANENT), false);
 }

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(PingPong, T, WebSocketTransportFixtures, T)
 {
   TRANSPORT_TEST_INIT(500_ms, 300_ms);

   BOOST_CHECK_EQUAL(this->limitedIo.run(2, // clientHandlePing, serverHandlePong
                                         1500_ms), LimitedIo::EXCEED_OPS);

   BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nOutPings, 1);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nInPongs, 1);

   this->clientShouldPong = false;
   BOOST_CHECK_EQUAL(this->limitedIo.run(2, // clientHandlePing, serverHandlePongTimeout
                                         2_s), LimitedIo::EXCEED_OPS);

   BOOST_CHECK_MESSAGE(this->transport->getState() == TransportState::FAILED ||
                       this->transport->getState() == TransportState::CLOSED,
                       "expected FAILED or CLOSED state, actual state=" << this->transport->getState());
   BOOST_CHECK_EQUAL(this->transport->getCounters().nOutPings, 2);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nInPongs, 1);
 }

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(Send, T, WebSocketTransportFixtures, T)
 {
   TRANSPORT_TEST_INIT();

   auto block1 = ndn::encoding::makeStringBlock(300, "hello");
   this->transport->send(block1);
   BOOST_CHECK_EQUAL(this->limitedIo.run(1, // clientHandleMessage
                                         1_s), LimitedIo::EXCEED_OPS);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nOutPackets, 1);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nOutBytes, block1.size());

   auto block2 = ndn::encoding::makeStringBlock(301, "world");
   this->transport->send(block2);
   BOOST_CHECK_EQUAL(this->limitedIo.run(1, // clientHandleMessage
                                         1_s), LimitedIo::EXCEED_OPS);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nOutPackets, 2);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nOutBytes, block1.size() + block2.size());

   BOOST_REQUIRE_EQUAL(this->clientReceivedMessages.size(), 2);
   BOOST_CHECK_EQUAL_COLLECTIONS(
     reinterpret_cast<const uint8_t*>(this->clientReceivedMessages[0].data()),
     reinterpret_cast<const uint8_t*>(this->clientReceivedMessages[0].data()) + this->clientReceivedMessages[0].size(),
     block1.begin(), block1.end());
   BOOST_CHECK_EQUAL_COLLECTIONS(
     reinterpret_cast<const uint8_t*>(this->clientReceivedMessages[1].data()),
     reinterpret_cast<const uint8_t*>(this->clientReceivedMessages[1].data()) + this->clientReceivedMessages[1].size(),
     block2.begin(), block2.end());
   BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);
 }

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(ReceiveNormal, T, WebSocketTransportFixtures, T)
 {
   TRANSPORT_TEST_INIT();

   auto pkt1 = ndn::encoding::makeStringBlock(300, "hello");
   this->client.send(this->clientHdl, pkt1.data(), pkt1.size(), websocketpp::frame::opcode::binary);
   BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleMessage
                                         1_s), LimitedIo::EXCEED_OPS);

   BOOST_CHECK_EQUAL(this->transport->getCounters().nInPackets, 1);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nInBytes, pkt1.size());

   auto pkt2 = ndn::encoding::makeStringBlock(301, "world!");
   this->client.send(this->clientHdl, pkt2.data(), pkt2.size(), websocketpp::frame::opcode::binary);
   BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleMessage
                                         1_s), LimitedIo::EXCEED_OPS);

   BOOST_CHECK_EQUAL(this->transport->getCounters().nInPackets, 2);
   BOOST_CHECK_EQUAL(this->transport->getCounters().nInBytes, pkt1.size() + pkt2.size());
   BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);

   BOOST_REQUIRE_EQUAL(this->serverReceivedPackets->size(), 2);
   BOOST_CHECK(this->serverReceivedPackets->at(0).packet == pkt1);
   BOOST_CHECK(this->serverReceivedPackets->at(1).packet == pkt2);
   BOOST_CHECK_EQUAL(this->serverReceivedPackets->at(0).endpoint, 0);
   BOOST_CHECK_EQUAL(this->serverReceivedPackets->at(1).endpoint, 0);
 }

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(ReceiveMalformed, T, WebSocketTransportFixtures, T)
 {
   TRANSPORT_TEST_INIT();

   auto pkt1 = ndn::encoding::makeStringBlock(300, "hello");
   this->client.send(this->clientHdl, pkt1.data(), pkt1.size() - 1, // truncated
                     websocketpp::frame::opcode::binary);
   BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleMessage
                                         1_s), LimitedIo::EXCEED_OPS);

   // bad packet is dropped
   BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);
   BOOST_CHECK_EQUAL(this->serverReceivedPackets->size(), 0);

   auto pkt2 = ndn::encoding::makeStringBlock(301, "world!");
   this->client.send(this->clientHdl, pkt2.data(), pkt2.size(), websocketpp::frame::opcode::binary);
   BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleMessage
                                         1_s), LimitedIo::EXCEED_OPS);

   // next valid packet is still received normally
   BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);
   BOOST_REQUIRE_EQUAL(this->serverReceivedPackets->size(), 1);
   BOOST_CHECK(this->serverReceivedPackets->at(0).packet == pkt2);
 }

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(Close, T, WebSocketTransportFixtures, T)
 {
   TRANSPORT_TEST_INIT();

   int nStateChanges = 0;
   this->transport->afterStateChange.connect(
     [&nStateChanges] (auto oldState, auto newState) {
       switch (nStateChanges) {
       case 0:
         BOOST_CHECK_EQUAL(oldState, TransportState::UP);
         BOOST_CHECK_EQUAL(newState, TransportState::CLOSING);
         break;
       case 1:
         BOOST_CHECK_EQUAL(oldState, TransportState::CLOSING);
         BOOST_CHECK_EQUAL(newState, TransportState::CLOSED);
         break;
       default:
         BOOST_CHECK(false);
       }
       nStateChanges++;
     });

   this->transport->close();
   BOOST_CHECK_EQUAL(nStateChanges, 2);
 }

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(RemoteClose, T, WebSocketTransportFixtures, T)
 {
   TRANSPORT_TEST_INIT();

   int nStateChanges = 0;
   this->transport->afterStateChange.connect(
     [&nStateChanges] (auto oldState, auto newState) {
       switch (nStateChanges) {
       case 0:
         BOOST_CHECK_EQUAL(oldState, TransportState::UP);
         BOOST_CHECK_EQUAL(newState, TransportState::CLOSING);
         break;
       case 1:
         BOOST_CHECK_EQUAL(oldState, TransportState::CLOSING);
         BOOST_CHECK_EQUAL(newState, TransportState::CLOSED);
         break;
       default:
         BOOST_CHECK(false);
       }
       nStateChanges++;
     });

   this->client.close(this->clientHdl, websocketpp::close::status::going_away, "");
   BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleClose
                                         1_s), LimitedIo::EXCEED_OPS);

   BOOST_CHECK_EQUAL(nStateChanges, 2);
 }

 BOOST_FIXTURE_TEST_CASE_TEMPLATE(SendQueueLength, T, WebSocketTransportFixtures, T)
 {
   TRANSPORT_TEST_INIT();

   BOOST_CHECK_EQUAL(this->transport->getSendQueueLength(), QUEUE_UNSUPPORTED);
 }

 BOOST_AUTO_TEST_SUITE_END() // TestWebSocketTransport
 BOOST_AUTO_TEST_SUITE_END() // Face

 } // namespace nfd::tests
	/* -- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -- */
	/*
	* Copyright (c) 2014-2022, 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 "transport-test-common.hpp"

	#include "websocket-transport-fixture.hpp"

	#include <boost/mpl/vector.hpp>

	namespace nfd::tests {

	using namespace nfd::face;

	BOOST_AUTO_TEST_SUITE(Face)
	BOOST_FIXTURE_TEST_SUITE(TestWebSocketTransport, IpTransportFixture<WebSocketTransportFixture>)

	using WebSocketTransportFixtures = boost::mpl::vector<
	GENERATE_IP_TRANSPORT_FIXTURE_INSTANTIATIONS(WebSocketTransportFixture)
	>;

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(StaticProperties, T, WebSocketTransportFixtures, T)
	{
	TRANSPORT_TEST_INIT();

	checkStaticPropertiesInitialized(*this->transport);

	BOOST_CHECK_EQUAL(this->transport->getLocalUri(), FaceUri(ip::tcp::endpoint(this->address, 20070), "ws"));
	BOOST_CHECK_EQUAL(this->transport->getRemoteUri(), FaceUri(this->remoteEp, "wsclient"));
	BOOST_CHECK_EQUAL(this->transport->getScope(),
	this->addressScope == AddressScope::Loopback ? ndn::nfd::FACE_SCOPE_LOCAL
	: ndn::nfd::FACE_SCOPE_NON_LOCAL);
	BOOST_CHECK_EQUAL(this->transport->getPersistency(), ndn::nfd::FACE_PERSISTENCY_ON_DEMAND);
	BOOST_CHECK_EQUAL(this->transport->getLinkType(), ndn::nfd::LINK_TYPE_POINT_TO_POINT);
	BOOST_CHECK_EQUAL(this->transport->getMtu(), MTU_UNLIMITED);
	BOOST_CHECK_EQUAL(this->transport->getSendQueueCapacity(), QUEUE_UNSUPPORTED);
	}

	using StaticPropertiesV4MappedFixtures = boost::mpl::vector<
	IpTransportFixture<WebSocketTransportFixture, AddressFamily::V4, AddressScope::Loopback>,
	IpTransportFixture<WebSocketTransportFixture, AddressFamily::V4, AddressScope::Global>
	>;

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(StaticPropertiesV4Mapped, T, StaticPropertiesV4MappedFixtures, T)
	{
	TRANSPORT_TEST_CHECK_PRECONDITIONS();
	auto mappedAddr = ip::address_v6::v4_mapped(this->address.to_v4());
	BOOST_REQUIRE(mappedAddr.is_v4_mapped());
	WebSocketTransportFixture::initialize(mappedAddr);

	checkStaticPropertiesInitialized(*this->transport);

	BOOST_CHECK_EQUAL(this->transport->getLocalUri(), FaceUri(ip::tcp::endpoint(mappedAddr, 20070), "ws"));
	BOOST_CHECK_EQUAL(this->transport->getRemoteUri(), FaceUri(this->remoteEp, "wsclient"));
	BOOST_CHECK_EQUAL(this->transport->getScope(),
	this->addressScope == AddressScope::Loopback ? ndn::nfd::FACE_SCOPE_LOCAL
	: ndn::nfd::FACE_SCOPE_NON_LOCAL);
	BOOST_CHECK_EQUAL(this->transport->getPersistency(), ndn::nfd::FACE_PERSISTENCY_ON_DEMAND);
	BOOST_CHECK_EQUAL(this->transport->getLinkType(), ndn::nfd::LINK_TYPE_POINT_TO_POINT);
	BOOST_CHECK_EQUAL(this->transport->getMtu(), MTU_UNLIMITED);
	}

	BOOST_AUTO_TEST_CASE(PersistencyChange)
	{
	TRANSPORT_TEST_INIT();

	BOOST_CHECK_EQUAL(transport->canChangePersistencyTo(ndn::nfd::FACE_PERSISTENCY_ON_DEMAND), true);
	BOOST_CHECK_EQUAL(transport->canChangePersistencyTo(ndn::nfd::FACE_PERSISTENCY_PERSISTENT), false);
	BOOST_CHECK_EQUAL(transport->canChangePersistencyTo(ndn::nfd::FACE_PERSISTENCY_PERMANENT), false);
	}

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(PingPong, T, WebSocketTransportFixtures, T)
	{
	TRANSPORT_TEST_INIT(500_ms, 300_ms);

	BOOST_CHECK_EQUAL(this->limitedIo.run(2, // clientHandlePing, serverHandlePong
	1500_ms), LimitedIo::EXCEED_OPS);

	BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nOutPings, 1);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nInPongs, 1);

	this->clientShouldPong = false;
	BOOST_CHECK_EQUAL(this->limitedIo.run(2, // clientHandlePing, serverHandlePongTimeout
	2_s), LimitedIo::EXCEED_OPS);

	BOOST_CHECK_MESSAGE(this->transport->getState() == TransportState::FAILED \|\|
	this->transport->getState() == TransportState::CLOSED,
	"expected FAILED or CLOSED state, actual state=" << this->transport->getState());
	BOOST_CHECK_EQUAL(this->transport->getCounters().nOutPings, 2);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nInPongs, 1);
	}

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(Send, T, WebSocketTransportFixtures, T)
	{
	TRANSPORT_TEST_INIT();

	auto block1 = ndn::encoding::makeStringBlock(300, "hello");
	this->transport->send(block1);
	BOOST_CHECK_EQUAL(this->limitedIo.run(1, // clientHandleMessage
	1_s), LimitedIo::EXCEED_OPS);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nOutPackets, 1);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nOutBytes, block1.size());

	auto block2 = ndn::encoding::makeStringBlock(301, "world");
	this->transport->send(block2);
	BOOST_CHECK_EQUAL(this->limitedIo.run(1, // clientHandleMessage
	1_s), LimitedIo::EXCEED_OPS);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nOutPackets, 2);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nOutBytes, block1.size() + block2.size());

	BOOST_REQUIRE_EQUAL(this->clientReceivedMessages.size(), 2);
	BOOST_CHECK_EQUAL_COLLECTIONS(
	reinterpret_cast<const uint8_t*>(this->clientReceivedMessages[0].data()),
	reinterpret_cast<const uint8_t*>(this->clientReceivedMessages[0].data()) + this->clientReceivedMessages[0].size(),
	block1.begin(), block1.end());
	BOOST_CHECK_EQUAL_COLLECTIONS(
	reinterpret_cast<const uint8_t*>(this->clientReceivedMessages[1].data()),
	reinterpret_cast<const uint8_t*>(this->clientReceivedMessages[1].data()) + this->clientReceivedMessages[1].size(),
	block2.begin(), block2.end());
	BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);
	}

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(ReceiveNormal, T, WebSocketTransportFixtures, T)
	{
	TRANSPORT_TEST_INIT();

	auto pkt1 = ndn::encoding::makeStringBlock(300, "hello");
	this->client.send(this->clientHdl, pkt1.data(), pkt1.size(), websocketpp::frame::opcode::binary);
	BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleMessage
	1_s), LimitedIo::EXCEED_OPS);

	BOOST_CHECK_EQUAL(this->transport->getCounters().nInPackets, 1);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nInBytes, pkt1.size());

	auto pkt2 = ndn::encoding::makeStringBlock(301, "world!");
	this->client.send(this->clientHdl, pkt2.data(), pkt2.size(), websocketpp::frame::opcode::binary);
	BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleMessage
	1_s), LimitedIo::EXCEED_OPS);

	BOOST_CHECK_EQUAL(this->transport->getCounters().nInPackets, 2);
	BOOST_CHECK_EQUAL(this->transport->getCounters().nInBytes, pkt1.size() + pkt2.size());
	BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);

	BOOST_REQUIRE_EQUAL(this->serverReceivedPackets->size(), 2);
	BOOST_CHECK(this->serverReceivedPackets->at(0).packet == pkt1);
	BOOST_CHECK(this->serverReceivedPackets->at(1).packet == pkt2);
	BOOST_CHECK_EQUAL(this->serverReceivedPackets->at(0).endpoint, 0);
	BOOST_CHECK_EQUAL(this->serverReceivedPackets->at(1).endpoint, 0);
	}

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(ReceiveMalformed, T, WebSocketTransportFixtures, T)
	{
	TRANSPORT_TEST_INIT();

	auto pkt1 = ndn::encoding::makeStringBlock(300, "hello");
	this->client.send(this->clientHdl, pkt1.data(), pkt1.size() - 1, // truncated
	websocketpp::frame::opcode::binary);
	BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleMessage
	1_s), LimitedIo::EXCEED_OPS);

	// bad packet is dropped
	BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);
	BOOST_CHECK_EQUAL(this->serverReceivedPackets->size(), 0);

	auto pkt2 = ndn::encoding::makeStringBlock(301, "world!");
	this->client.send(this->clientHdl, pkt2.data(), pkt2.size(), websocketpp::frame::opcode::binary);
	BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleMessage
	1_s), LimitedIo::EXCEED_OPS);

	// next valid packet is still received normally
	BOOST_CHECK_EQUAL(this->transport->getState(), TransportState::UP);
	BOOST_REQUIRE_EQUAL(this->serverReceivedPackets->size(), 1);
	BOOST_CHECK(this->serverReceivedPackets->at(0).packet == pkt2);
	}

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(Close, T, WebSocketTransportFixtures, T)
	{
	TRANSPORT_TEST_INIT();

	int nStateChanges = 0;
	this->transport->afterStateChange.connect(
	[&nStateChanges] (auto oldState, auto newState) {
	switch (nStateChanges) {
	case 0:
	BOOST_CHECK_EQUAL(oldState, TransportState::UP);
	BOOST_CHECK_EQUAL(newState, TransportState::CLOSING);
	break;
	case 1:
	BOOST_CHECK_EQUAL(oldState, TransportState::CLOSING);
	BOOST_CHECK_EQUAL(newState, TransportState::CLOSED);
	break;
	default:
	BOOST_CHECK(false);
	}
	nStateChanges++;
	});

	this->transport->close();
	BOOST_CHECK_EQUAL(nStateChanges, 2);
	}

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(RemoteClose, T, WebSocketTransportFixtures, T)
	{
	TRANSPORT_TEST_INIT();

	int nStateChanges = 0;
	this->transport->afterStateChange.connect(
	[&nStateChanges] (auto oldState, auto newState) {
	switch (nStateChanges) {
	case 0:
	BOOST_CHECK_EQUAL(oldState, TransportState::UP);
	BOOST_CHECK_EQUAL(newState, TransportState::CLOSING);
	break;
	case 1:
	BOOST_CHECK_EQUAL(oldState, TransportState::CLOSING);
	BOOST_CHECK_EQUAL(newState, TransportState::CLOSED);
	break;
	default:
	BOOST_CHECK(false);
	}
	nStateChanges++;
	});

	this->client.close(this->clientHdl, websocketpp::close::status::going_away, "");
	BOOST_CHECK_EQUAL(this->limitedIo.run(1, // serverHandleClose
	1_s), LimitedIo::EXCEED_OPS);

	BOOST_CHECK_EQUAL(nStateChanges, 2);
	}

	BOOST_FIXTURE_TEST_CASE_TEMPLATE(SendQueueLength, T, WebSocketTransportFixtures, T)
	{
	TRANSPORT_TEST_INIT();

	BOOST_CHECK_EQUAL(this->transport->getSendQueueLength(), QUEUE_UNSUPPORTED);
	}

	BOOST_AUTO_TEST_SUITE_END() // TestWebSocketTransport
	BOOST_AUTO_TEST_SUITE_END() // Face

	} // namespace nfd::tests