net/quic/quic_network_transaction_unittest.cc

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <memory>
#include <ostream>
#include <string>
#include <utility>
#include <vector>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/stl_util.h"
#include "base/strings/stringprintf.h"
#include "net/base/chunked_upload_data_stream.h"
#include "net/base/test_completion_callback.h"
#include "net/base/test_data_directory.h"
#include "net/cert/mock_cert_verifier.h"
#include "net/cert/multi_log_ct_verifier.h"
#include "net/dns/mock_host_resolver.h"
#include "net/http/http_auth_handler_factory.h"
#include "net/http/http_network_session.h"
#include "net/http/http_network_transaction.h"
#include "net/http/http_server_properties_impl.h"
#include "net/http/http_stream.h"
#include "net/http/http_stream_factory.h"
#include "net/http/http_transaction_test_util.h"
#include "net/http/transport_security_state.h"
#include "net/log/test_net_log.h"
#include "net/log/test_net_log_entry.h"
#include "net/log/test_net_log_util.h"
#include "net/proxy/proxy_config_service_fixed.h"
#include "net/proxy/proxy_resolver.h"
#include "net/proxy/proxy_service.h"
#include "net/quic/crypto/proof_verifier_chromium.h"
#include "net/quic/crypto/quic_decrypter.h"
#include "net/quic/crypto/quic_encrypter.h"
#include "net/quic/quic_framer.h"
#include "net/quic/quic_http_utils.h"
#include "net/quic/test_tools/crypto_test_utils.h"
#include "net/quic/test_tools/mock_clock.h"
#include "net/quic/test_tools/mock_crypto_client_stream_factory.h"
#include "net/quic/test_tools/mock_random.h"
#include "net/quic/test_tools/quic_test_packet_maker.h"
#include "net/quic/test_tools/quic_test_utils.h"
#include "net/socket/client_socket_factory.h"
#include "net/socket/mock_client_socket_pool_manager.h"
#include "net/socket/socket_performance_watcher.h"
#include "net/socket/socket_performance_watcher_factory.h"
#include "net/socket/socket_test_util.h"
#include "net/socket/ssl_client_socket.h"
#include "net/spdy/spdy_frame_builder.h"
#include "net/spdy/spdy_framer.h"
#include "net/ssl/ssl_config_service_defaults.h"
#include "net/test/cert_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
#include "url/gurl.h"

namespace net {
namespace test {

namespace {

enum DestinationType {
  // In pooling tests with two requests for different origins to the same
  // destination, the destination should be
  SAME_AS_FIRST,   // the same as the first origin,
  SAME_AS_SECOND,  // the same as the second origin, or
  DIFFERENT,       // different from both.
};

static const char kQuicAlternativeServiceHeader[] =
    "Alt-Svc: quic=\":443\"\r\n\r\n";
static const char kQuicAlternativeServiceWithProbabilityHeader[] =
    "Alt-Svc: quic=\":443\";p=\".5\"\r\n\r\n";
static const char kQuicAlternativeServiceDifferentPortHeader[] =
    "Alt-Svc: quic=\":137\"\r\n\r\n";

const char kDefaultServerHostName[] = "mail.example.org";
const char kDifferentHostname[] = "different.example.com";

// Run QuicNetworkTransactionWithDestinationTest instances with all value
// combinations of version and destination_type.
struct PoolingTestParams {
  friend std::ostream& operator<<(std::ostream& os,
                                  const PoolingTestParams& p) {
    os << "{ version: " << QuicVersionToString(p.version)
       << ", destination_type: ";
    switch (p.destination_type) {
      case SAME_AS_FIRST:
        os << "SAME_AS_FIRST";
        break;
      case SAME_AS_SECOND:
        os << "SAME_AS_SECOND";
        break;
      case DIFFERENT:
        os << "DIFFERENT";
        break;
    }
    os << " }";
    return os;
  }

  QuicVersion version;
  DestinationType destination_type;
};

std::vector<PoolingTestParams> GetPoolingTestParams() {
  std::vector<PoolingTestParams> params;
  QuicVersionVector all_supported_versions = QuicSupportedVersions();
  for (const QuicVersion version : all_supported_versions) {
    params.push_back(PoolingTestParams{version, SAME_AS_FIRST});
    params.push_back(PoolingTestParams{version, SAME_AS_SECOND});
    params.push_back(PoolingTestParams{version, DIFFERENT});
  }
  return params;
}

}  // namespace

// Helper class to encapsulate MockReads and MockWrites for QUIC.
// Simplify ownership issues and the interaction with the MockSocketFactory.
class MockQuicData {
 public:
  MockQuicData() : packet_number_(0) {}

  ~MockQuicData() { STLDeleteElements(&packets_); }

  void AddSynchronousRead(std::unique_ptr<QuicEncryptedPacket> packet) {
    reads_.push_back(MockRead(SYNCHRONOUS, packet->data(), packet->length(),
                              packet_number_++));
    packets_.push_back(packet.release());
  }

  void AddRead(std::unique_ptr<QuicEncryptedPacket> packet) {
    reads_.push_back(
        MockRead(ASYNC, packet->data(), packet->length(), packet_number_++));
    packets_.push_back(packet.release());
  }

  void AddRead(IoMode mode, int rv) {
    reads_.push_back(MockRead(mode, rv, packet_number_++));
  }

  void AddWrite(std::unique_ptr<QuicEncryptedPacket> packet) {
    writes_.push_back(MockWrite(SYNCHRONOUS, packet->data(), packet->length(),
                                packet_number_++));
    packets_.push_back(packet.release());
  }

  void AddSocketDataToFactory(MockClientSocketFactory* factory) {
    MockRead* reads = reads_.empty() ? nullptr : &reads_[0];
    MockWrite* writes = writes_.empty() ? nullptr : &writes_[0];
    socket_data_.reset(
        new SequencedSocketData(reads, reads_.size(), writes, writes_.size()));
    factory->AddSocketDataProvider(socket_data_.get());
  }

  void Resume() { socket_data_->Resume(); }

 private:
  std::vector<QuicEncryptedPacket*> packets_;
  std::vector<MockWrite> writes_;
  std::vector<MockRead> reads_;
  size_t packet_number_;
  std::unique_ptr<SequencedSocketData> socket_data_;
};

class HeadersHandler {
 public:
  HeadersHandler() : was_proxied_(false) {}

  bool was_proxied() { return was_proxied_; }

  void OnBeforeHeadersSent(const ProxyInfo& proxy_info,
                           HttpRequestHeaders* request_headers) {
    if (!proxy_info.is_http() && !proxy_info.is_https() &&
        !proxy_info.is_quic()) {
      return;
    }
    was_proxied_ = true;
  }

 private:
  bool was_proxied_;
};

class TestSocketPerformanceWatcher : public SocketPerformanceWatcher {
 public:
  explicit TestSocketPerformanceWatcher(bool* rtt_notification_received)
      : rtt_notification_received_(rtt_notification_received) {}
  ~TestSocketPerformanceWatcher() override {}

  bool ShouldNotifyUpdatedRTT() const override { return true; }

  void OnUpdatedRTTAvailable(const base::TimeDelta& rtt) override {
    *rtt_notification_received_ = true;
  }

  void OnConnectionChanged() override {}

 private:
  bool* rtt_notification_received_;

  DISALLOW_COPY_AND_ASSIGN(TestSocketPerformanceWatcher);
};

class TestSocketPerformanceWatcherFactory
    : public SocketPerformanceWatcherFactory {
 public:
  TestSocketPerformanceWatcherFactory()
      : watcher_count_(0u), rtt_notification_received_(false) {}
  ~TestSocketPerformanceWatcherFactory() override {}

  // SocketPerformanceWatcherFactory implementation:
  std::unique_ptr<SocketPerformanceWatcher> CreateSocketPerformanceWatcher(
      const Protocol protocol) override {
    if (protocol != PROTOCOL_QUIC) {
      return nullptr;
    }
    ++watcher_count_;
    return std::unique_ptr<SocketPerformanceWatcher>(
        new TestSocketPerformanceWatcher(&rtt_notification_received_));
  }

  size_t watcher_count() const { return watcher_count_; }

  bool rtt_notification_received() const { return rtt_notification_received_; }

 private:
  size_t watcher_count_;
  bool rtt_notification_received_;

  DISALLOW_COPY_AND_ASSIGN(TestSocketPerformanceWatcherFactory);
};

class QuicNetworkTransactionTest
    : public PlatformTest,
      public ::testing::WithParamInterface<QuicVersion> {
 protected:
  QuicNetworkTransactionTest()
      : clock_(new MockClock),
        client_maker_(GetParam(),
                      0,
                      clock_,
                      kDefaultServerHostName,
                      Perspective::IS_CLIENT),
        server_maker_(GetParam(),
                      0,
                      clock_,
                      kDefaultServerHostName,
                      Perspective::IS_SERVER),
        cert_transparency_verifier_(new MultiLogCTVerifier()),
        ssl_config_service_(new SSLConfigServiceDefaults),
        proxy_service_(ProxyService::CreateDirect()),
        auth_handler_factory_(
            HttpAuthHandlerFactory::CreateDefault(&host_resolver_)),
        random_generator_(0),
        ssl_data_(ASYNC, OK) {
    request_.method = "GET";
    std::string url("https://");
    url.append(kDefaultServerHostName);
    request_.url = GURL(url);
    request_.load_flags = 0;
    clock_->AdvanceTime(QuicTime::Delta::FromMilliseconds(20));

    params_.enable_alternative_service_with_different_host = true;
    params_.enable_alternative_service_for_insecure_origins = true;

    scoped_refptr<X509Certificate> cert(
        ImportCertFromFile(GetTestCertsDirectory(), "wildcard.pem"));
    verify_details_.cert_verify_result.verified_cert = cert;
    verify_details_.cert_verify_result.is_issued_by_known_root = true;
    crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details_);
  }

  void SetUp() override {
    NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
    base::RunLoop().RunUntilIdle();
  }

  void TearDown() override {
    NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
    // Empty the current queue.
    base::RunLoop().RunUntilIdle();
    PlatformTest::TearDown();
    NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
    base::RunLoop().RunUntilIdle();
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientConnectionClosePacket(
      QuicPacketNumber num) {
    return client_maker_.MakeConnectionClosePacket(num);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerConnectionClosePacket(
      QuicPacketNumber num) {
    return server_maker_.MakeConnectionClosePacket(num);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerGoAwayPacket(
      QuicPacketNumber num,
      QuicErrorCode error_code,
      std::string reason_phrase) {
    return server_maker_.MakeGoAwayPacket(num, error_code, reason_phrase);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientAckPacket(
      QuicPacketNumber largest_received,
      QuicPacketNumber least_unacked) {
    return client_maker_.MakeAckPacket(2, largest_received, least_unacked,
                                       least_unacked, true);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientAckAndRstPacket(
      QuicPacketNumber num,
      QuicStreamId stream_id,
      QuicRstStreamErrorCode error_code,
      QuicPacketNumber largest_received,
      QuicPacketNumber ack_least_unacked,
      QuicPacketNumber stop_least_unacked) {
    return client_maker_.MakeAckAndRstPacket(
        num, false, stream_id, error_code, largest_received, ack_least_unacked,
        stop_least_unacked, true);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientAckPacket(
      QuicPacketNumber largest_received,
      QuicPacketNumber least_unacked,
      QuicTestPacketMaker* maker) {
    return client_maker_.MakeAckPacket(2, largest_received, least_unacked,
                                       least_unacked, true);
  }

  std::unique_ptr<QuicEncryptedPacket>
  ConstructClientAckAndConnectionClosePacket(
      QuicPacketNumber packet_number,
      QuicPacketNumber largest_received,
      QuicPacketNumber ack_least_unacked,
      QuicPacketNumber stop_least_unacked) {
    return client_maker_.MakeAckPacket(packet_number, largest_received,
                                       ack_least_unacked, stop_least_unacked,
                                       true);
  }

  std::unique_ptr<QuicEncryptedPacket>
  ConstructClientAckAndConnectionClosePacket(
      QuicPacketNumber num,
      QuicTime::Delta delta_time_largest_observed,
      QuicPacketNumber largest_received,
      QuicPacketNumber least_unacked,
      QuicErrorCode quic_error,
      const std::string& quic_error_details) {
    return client_maker_.MakeAckAndConnectionClosePacket(
        num, false, delta_time_largest_observed, largest_received,
        least_unacked, quic_error, quic_error_details);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerRstPacket(
      QuicPacketNumber num,
      bool include_version,
      QuicStreamId stream_id,
      QuicRstStreamErrorCode error_code) {
    return server_maker_.MakeRstPacket(num, include_version, stream_id,
                                       error_code);
  }

  // Uses default QuicTestPacketMaker.
  SpdyHeaderBlock GetRequestHeaders(const std::string& method,
                                    const std::string& scheme,
                                    const std::string& path) {
    return GetRequestHeaders(method, scheme, path, &client_maker_);
  }

  // Uses customized QuicTestPacketMaker.
  SpdyHeaderBlock GetRequestHeaders(const std::string& method,
                                    const std::string& scheme,
                                    const std::string& path,
                                    QuicTestPacketMaker* maker) {
    return maker->GetRequestHeaders(method, scheme, path);
  }

  SpdyHeaderBlock GetResponseHeaders(const std::string& status) {
    return server_maker_.GetResponseHeaders(status);
  }

  // Appends alt_svc headers in the response headers.
  SpdyHeaderBlock GetResponseHeaders(const std::string& status,
                                     const std::string& alt_svc) {
    return server_maker_.GetResponseHeaders(status, alt_svc);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerDataPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      QuicStreamOffset offset,
      base::StringPiece data) {
    return server_maker_.MakeDataPacket(
        packet_number, stream_id, should_include_version, fin, offset, data);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientRequestHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      const SpdyHeaderBlock& headers,
      QuicStreamOffset* offset) {
    SpdyPriority priority =
        ConvertRequestPriorityToQuicPriority(DEFAULT_PRIORITY);
    return client_maker_.MakeRequestHeadersPacketWithOffsetTracking(
        packet_number, stream_id, should_include_version, fin, priority,
        headers, offset);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientRequestHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      const SpdyHeaderBlock& headers,
      QuicStreamOffset* offset,
      QuicTestPacketMaker* maker) {
    SpdyPriority priority =
        ConvertRequestPriorityToQuicPriority(DEFAULT_PRIORITY);
    return client_maker_.MakeRequestHeadersPacketWithOffsetTracking(
        packet_number, stream_id, should_include_version, fin, priority,
        headers, offset);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientRequestHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      const SpdyHeaderBlock& headers) {
    return ConstructClientRequestHeadersPacket(
        packet_number, stream_id, should_include_version, fin, headers, nullptr,
        &client_maker_);
  }
  std::unique_ptr<QuicEncryptedPacket> ConstructClientRequestHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      const SpdyHeaderBlock& headers,
      QuicTestPacketMaker* maker) {
    return ConstructClientRequestHeadersPacket(packet_number, stream_id,
                                               should_include_version, fin,
                                               headers, nullptr, maker);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerResponseHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      const SpdyHeaderBlock& headers) {
    return ConstructServerResponseHeadersPacket(
        packet_number, stream_id, should_include_version, fin, headers, nullptr,
        &server_maker_);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerResponseHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      const SpdyHeaderBlock& headers,
      QuicTestPacketMaker* maker) {
    return ConstructServerResponseHeadersPacket(packet_number, stream_id,
                                                should_include_version, fin,
                                                headers, nullptr, maker);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerResponseHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      const SpdyHeaderBlock& headers,
      QuicStreamOffset* offset) {
    return server_maker_.MakeResponseHeadersPacketWithOffsetTracking(
        packet_number, stream_id, should_include_version, fin, headers, offset);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerResponseHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      bool fin,
      const SpdyHeaderBlock& headers,
      QuicStreamOffset* offset,
      QuicTestPacketMaker* maker) {
    return server_maker_.MakeResponseHeadersPacketWithOffsetTracking(
        packet_number, stream_id, should_include_version, fin, headers, offset);
  }

  void CreateSession() {
    params_.enable_quic = true;
    params_.quic_clock = clock_;
    params_.quic_random = &random_generator_;
    params_.client_socket_factory = &socket_factory_;
    params_.quic_crypto_client_stream_factory = &crypto_client_stream_factory_;
    params_.host_resolver = &host_resolver_;
    params_.cert_verifier = &cert_verifier_;
    params_.transport_security_state = &transport_security_state_;
    params_.cert_transparency_verifier = cert_transparency_verifier_.get();
    params_.socket_performance_watcher_factory =
        &test_socket_performance_watcher_factory_;
    params_.proxy_service = proxy_service_.get();
    params_.ssl_config_service = ssl_config_service_.get();
    params_.http_auth_handler_factory = auth_handler_factory_.get();
    params_.http_server_properties = http_server_properties_.GetWeakPtr();
    params_.quic_supported_versions = SupportedVersions(GetParam());
    for (const char* host :
         {kDefaultServerHostName, "www.example.org", "news.example.org",
          "bar.example.org", "foo.example.org", "invalid.example.org",
          "mail.example.com"}) {
      params_.quic_host_whitelist.insert(host);
    }

    session_.reset(new HttpNetworkSession(params_));
    session_->quic_stream_factory()->set_require_confirmation(false);
    ASSERT_EQ(params_.quic_socket_receive_buffer_size,
              session_->quic_stream_factory()->socket_receive_buffer_size());
  }

  void CheckWasQuicResponse(
      const std::unique_ptr<HttpNetworkTransaction>& trans) {
    const HttpResponseInfo* response = trans->GetResponseInfo();
    ASSERT_TRUE(response != nullptr);
    ASSERT_TRUE(response->headers.get() != nullptr);
    EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
    EXPECT_TRUE(response->was_fetched_via_spdy);
    EXPECT_TRUE(response->was_npn_negotiated);
    EXPECT_EQ(HttpResponseInfo::CONNECTION_INFO_QUIC1_SPDY3,
              response->connection_info);
  }

  void CheckResponsePort(const std::unique_ptr<HttpNetworkTransaction>& trans,
                         uint16_t port) {
    const HttpResponseInfo* response = trans->GetResponseInfo();
    ASSERT_TRUE(response != nullptr);
    EXPECT_EQ(port, response->socket_address.port());
  }

  void CheckWasHttpResponse(
      const std::unique_ptr<HttpNetworkTransaction>& trans) {
    const HttpResponseInfo* response = trans->GetResponseInfo();
    ASSERT_TRUE(response != nullptr);
    ASSERT_TRUE(response->headers.get() != nullptr);
    EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
    EXPECT_FALSE(response->was_fetched_via_spdy);
    EXPECT_FALSE(response->was_npn_negotiated);
    EXPECT_EQ(HttpResponseInfo::CONNECTION_INFO_HTTP1,
              response->connection_info);
  }

  void CheckResponseData(const std::unique_ptr<HttpNetworkTransaction>& trans,
                         const std::string& expected) {
    std::string response_data;
    ASSERT_EQ(OK, ReadTransaction(trans.get(), &response_data));
    EXPECT_EQ(expected, response_data);
  }

  void RunTransaction(const std::unique_ptr<HttpNetworkTransaction>& trans) {
    TestCompletionCallback callback;
    int rv = trans->Start(&request_, callback.callback(), net_log_.bound());
    EXPECT_EQ(ERR_IO_PENDING, rv);
    EXPECT_EQ(OK, callback.WaitForResult());
  }

  void SendRequestAndExpectHttpResponse(const std::string& expected) {
    std::unique_ptr<HttpNetworkTransaction> trans(
        new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
    RunTransaction(trans);
    CheckWasHttpResponse(trans);
    CheckResponseData(trans, expected);
  }

  void SendRequestAndExpectQuicResponse(const std::string& expected) {
    SendRequestAndExpectQuicResponseMaybeFromProxy(expected, false, 443);
  }

  void SendRequestAndExpectQuicResponseFromProxyOnPort(
      const std::string& expected,
      uint16_t port) {
    SendRequestAndExpectQuicResponseMaybeFromProxy(expected, true, port);
  }

  void AddQuicAlternateProtocolMapping(
      MockCryptoClientStream::HandshakeMode handshake_mode) {
    crypto_client_stream_factory_.set_handshake_mode(handshake_mode);
    url::SchemeHostPort server(request_.url);
    AlternativeService alternative_service(QUIC, server.host(), 443);
    base::Time expiration = base::Time::Now() + base::TimeDelta::FromDays(1);
    http_server_properties_.SetAlternativeService(server, alternative_service,
                                                  expiration);
  }

  void AddQuicRemoteAlternativeServiceMapping(
      MockCryptoClientStream::HandshakeMode handshake_mode,
      const HostPortPair& alternative) {
    crypto_client_stream_factory_.set_handshake_mode(handshake_mode);
    url::SchemeHostPort server(request_.url);
    AlternativeService alternative_service(QUIC, alternative.host(),
                                           alternative.port());
    base::Time expiration = base::Time::Now() + base::TimeDelta::FromDays(1);
    http_server_properties_.SetAlternativeService(server, alternative_service,
                                                  expiration);
  }

  void ExpectBrokenAlternateProtocolMapping() {
    const url::SchemeHostPort server(request_.url);
    const AlternativeServiceVector alternative_service_vector =
        http_server_properties_.GetAlternativeServices(server);
    EXPECT_EQ(1u, alternative_service_vector.size());
    EXPECT_TRUE(http_server_properties_.IsAlternativeServiceBroken(
        alternative_service_vector[0]));
  }

  void ExpectQuicAlternateProtocolMapping() {
    const url::SchemeHostPort server(request_.url);
    const AlternativeServiceVector alternative_service_vector =
        http_server_properties_.GetAlternativeServices(server);
    EXPECT_EQ(1u, alternative_service_vector.size());
    EXPECT_EQ(QUIC, alternative_service_vector[0].protocol);
  }

  void AddHangingNonAlternateProtocolSocketData() {
    std::unique_ptr<StaticSocketDataProvider> hanging_data;
    hanging_data.reset(new StaticSocketDataProvider());
    MockConnect hanging_connect(SYNCHRONOUS, ERR_IO_PENDING);
    hanging_data->set_connect_data(hanging_connect);
    hanging_data_.push_back(std::move(hanging_data));
    socket_factory_.AddSocketDataProvider(hanging_data_.back().get());
    socket_factory_.AddSSLSocketDataProvider(&ssl_data_);
  }

  MockClock* clock_;  // Owned by QuicStreamFactory after CreateSession.
  QuicTestPacketMaker client_maker_;
  QuicTestPacketMaker server_maker_;
  std::unique_ptr<HttpNetworkSession> session_;
  MockClientSocketFactory socket_factory_;
  ProofVerifyDetailsChromium verify_details_;
  MockCryptoClientStreamFactory crypto_client_stream_factory_;
  MockHostResolver host_resolver_;
  MockCertVerifier cert_verifier_;
  TransportSecurityState transport_security_state_;
  std::unique_ptr<CTVerifier> cert_transparency_verifier_;
  TestSocketPerformanceWatcherFactory test_socket_performance_watcher_factory_;
  scoped_refptr<SSLConfigServiceDefaults> ssl_config_service_;
  std::unique_ptr<ProxyService> proxy_service_;
  std::unique_ptr<HttpAuthHandlerFactory> auth_handler_factory_;
  MockRandom random_generator_;
  HttpServerPropertiesImpl http_server_properties_;
  HttpNetworkSession::Params params_;
  HttpRequestInfo request_;
  BoundTestNetLog net_log_;
  std::vector<std::unique_ptr<StaticSocketDataProvider>> hanging_data_;
  SSLSocketDataProvider ssl_data_;

 private:
  void SendRequestAndExpectQuicResponseMaybeFromProxy(
      const std::string& expected,
      bool used_proxy,
      uint16_t port) {
    std::unique_ptr<HttpNetworkTransaction> trans(
        new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
    HeadersHandler headers_handler;
    trans->SetBeforeHeadersSentCallback(
        base::Bind(&HeadersHandler::OnBeforeHeadersSent,
                   base::Unretained(&headers_handler)));
    RunTransaction(trans);
    CheckWasQuicResponse(trans);
    CheckResponsePort(trans, port);
    CheckResponseData(trans, expected);
    EXPECT_EQ(used_proxy, headers_handler.was_proxied());
  }
};

INSTANTIATE_TEST_CASE_P(Version,
                        QuicNetworkTransactionTest,
                        ::testing::ValuesIn(QuicSupportedVersions()));

TEST_P(QuicNetworkTransactionTest, ForceQuic) {
  params_.origins_to_force_quic_on.insert(
      HostPortPair::FromString("mail.example.org:443"));

  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(SYNCHRONOUS, ERR_IO_PENDING);  // No more data to read

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  // The non-alternate protocol job needs to hang in order to guarantee that
  // the alternate-protocol job will "win".
  AddHangingNonAlternateProtocolSocketData();

  params_.enable_alternative_service_with_different_host = false;
  CreateSession();

  EXPECT_FALSE(
      test_socket_performance_watcher_factory_.rtt_notification_received());
  SendRequestAndExpectQuicResponse("hello!");
  EXPECT_TRUE(
      test_socket_performance_watcher_factory_.rtt_notification_received());

  // Check that the NetLog was filled reasonably.
  TestNetLogEntry::List entries;
  net_log_.GetEntries(&entries);
  EXPECT_LT(0u, entries.size());

  // Check that we logged a QUIC_SESSION_PACKET_RECEIVED.
  int pos = ExpectLogContainsSomewhere(
      entries, 0, NetLog::TYPE_QUIC_SESSION_PACKET_RECEIVED,
      NetLog::PHASE_NONE);
  EXPECT_LT(0, pos);

  // ... and also a TYPE_QUIC_SESSION_UNAUTHENTICATED_PACKET_HEADER_RECEIVED.
  pos = ExpectLogContainsSomewhere(
      entries, 0,
      NetLog::TYPE_QUIC_SESSION_UNAUTHENTICATED_PACKET_HEADER_RECEIVED,
      NetLog::PHASE_NONE);
  EXPECT_LT(0, pos);

  std::string packet_number;
  ASSERT_TRUE(entries[pos].GetStringValue("packet_number", &packet_number));
  EXPECT_EQ("1", packet_number);

  // ... and also a TYPE_QUIC_SESSION_PACKET_AUTHENTICATED.
  pos = ExpectLogContainsSomewhere(
      entries, 0, NetLog::TYPE_QUIC_SESSION_PACKET_AUTHENTICATED,
      NetLog::PHASE_NONE);
  EXPECT_LT(0, pos);

  // ... and also a QUIC_SESSION_STREAM_FRAME_RECEIVED.
  pos = ExpectLogContainsSomewhere(
      entries, 0, NetLog::TYPE_QUIC_SESSION_STREAM_FRAME_RECEIVED,
      NetLog::PHASE_NONE);
  EXPECT_LT(0, pos);

  int log_stream_id;
  ASSERT_TRUE(entries[pos].GetIntegerValue("stream_id", &log_stream_id));
  EXPECT_EQ(3, log_stream_id);
}

TEST_P(QuicNetworkTransactionTest, QuicProxy) {
  params_.enable_quic = true;
  proxy_service_ =
      ProxyService::CreateFixedFromPacResult("QUIC mail.example.org:70");

  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "http", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  EXPECT_FALSE(
      test_socket_performance_watcher_factory_.rtt_notification_received());
  // There is no need to set up an alternate protocol job, because
  // no attempt will be made to speak to the proxy over TCP.

  request_.url = GURL("http://mail.example.org/");
  params_.enable_alternative_service_with_different_host = false;
  CreateSession();

  SendRequestAndExpectQuicResponseFromProxyOnPort("hello!", 70);
  EXPECT_TRUE(
      test_socket_performance_watcher_factory_.rtt_notification_received());
}

// Regression test for https://crbug.com/492458.  Test that for an HTTP
// connection through a QUIC proxy, the certificate exhibited by the proxy is
// checked against the proxy hostname, not the origin hostname.
TEST_P(QuicNetworkTransactionTest, QuicProxyWithCert) {
  const std::string origin_host = "mail.example.com";
  const std::string proxy_host = "www.example.org";

  params_.enable_quic = true;
  proxy_service_ =
      ProxyService::CreateFixedFromPacResult("QUIC " + proxy_host + ":70");

  client_maker_.set_hostname(origin_host);
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "http", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);
  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  scoped_refptr<X509Certificate> cert(
      ImportCertFromFile(GetTestCertsDirectory(), "wildcard.pem"));
  ASSERT_TRUE(cert.get());
  // This certificate is valid for the proxy, but not for the origin.
  bool common_name_fallback_used;
  EXPECT_TRUE(cert->VerifyNameMatch(proxy_host, &common_name_fallback_used));
  EXPECT_FALSE(cert->VerifyNameMatch(origin_host, &common_name_fallback_used));
  ProofVerifyDetailsChromium verify_details;
  verify_details.cert_verify_result.verified_cert = cert;
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details);
  ProofVerifyDetailsChromium verify_details2;
  verify_details2.cert_verify_result.verified_cert = cert;
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details2);

  request_.url = GURL("http://" + origin_host);
  AddHangingNonAlternateProtocolSocketData();
  CreateSession();
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::CONFIRM_HANDSHAKE);
  SendRequestAndExpectQuicResponseFromProxyOnPort("hello!", 70);
}

TEST_P(QuicNetworkTransactionTest, AlternativeServicesDifferentHost) {
  params_.enable_alternative_service_with_different_host = true;
  HostPortPair origin("www.example.org", 443);
  HostPortPair alternative("mail.example.org", 443);

  base::FilePath certs_dir = GetTestCertsDirectory();
  scoped_refptr<X509Certificate> cert(
      ImportCertFromFile(GetTestCertsDirectory(), "wildcard.pem"));
  ASSERT_TRUE(cert.get());
  // TODO(rch): the connection should be "to" the origin, so if the cert is
  // valid for the origin but not the alternative, that should work too.
  bool common_name_fallback_used;
  EXPECT_TRUE(cert->VerifyNameMatch(origin.host(), &common_name_fallback_used));
  EXPECT_TRUE(
      cert->VerifyNameMatch(alternative.host(), &common_name_fallback_used));
  ProofVerifyDetailsChromium verify_details;
  verify_details.cert_verify_result.verified_cert = cert;
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details);

  client_maker_.set_hostname(origin.host());
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);
  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  request_.url = GURL("https://" + origin.host());
  AddQuicRemoteAlternativeServiceMapping(
      MockCryptoClientStream::CONFIRM_HANDSHAKE, alternative);
  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  SendRequestAndExpectQuicResponse("hello!");
}

TEST_P(QuicNetworkTransactionTest, ForceQuicWithErrorConnecting) {
  params_.origins_to_force_quic_on.insert(
      HostPortPair::FromString("mail.example.org:443"));

  MockQuicData mock_quic_data1;
  mock_quic_data1.AddRead(ASYNC, ERR_SOCKET_NOT_CONNECTED);

  MockQuicData mock_quic_data2;
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details_);
  mock_quic_data2.AddRead(ASYNC, ERR_SOCKET_NOT_CONNECTED);
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details_);

  mock_quic_data1.AddSocketDataToFactory(&socket_factory_);
  mock_quic_data2.AddSocketDataToFactory(&socket_factory_);

  params_.enable_alternative_service_with_different_host = false;
  CreateSession();

  EXPECT_EQ(0U, test_socket_performance_watcher_factory_.watcher_count());
  for (size_t i = 0; i < 2; ++i) {
    std::unique_ptr<HttpNetworkTransaction> trans(
        new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
    TestCompletionCallback callback;
    int rv = trans->Start(&request_, callback.callback(), net_log_.bound());
    EXPECT_EQ(ERR_IO_PENDING, rv);
    EXPECT_EQ(ERR_CONNECTION_CLOSED, callback.WaitForResult());
    EXPECT_EQ(1 + i, test_socket_performance_watcher_factory_.watcher_count());
  }
}

TEST_P(QuicNetworkTransactionTest, DoNotForceQuicForHttps) {
  // Attempt to "force" quic on 443, which will not be honored.
  params_.origins_to_force_quic_on.insert(
      HostPortPair::FromString("www.google.com:443"));

  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n\r\n"), MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider data(http_reads, arraysize(http_reads), nullptr, 0);
  socket_factory_.AddSocketDataProvider(&data);
  SSLSocketDataProvider ssl(ASYNC, OK);
  socket_factory_.AddSSLSocketDataProvider(&ssl);

  params_.enable_alternative_service_with_different_host = false;
  CreateSession();

  SendRequestAndExpectHttpResponse("hello world");
  EXPECT_EQ(0U, test_socket_performance_watcher_factory_.watcher_count());
}

TEST_P(QuicNetworkTransactionTest, UseAlternativeServiceForQuic) {
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"), MockRead(kQuicAlternativeServiceHeader),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  SendRequestAndExpectHttpResponse("hello world");
  SendRequestAndExpectQuicResponse("hello!");
}

TEST_P(QuicNetworkTransactionTest,
       UseAlternativeServiceWithProbabilityForQuic) {
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"),
      MockRead(kQuicAlternativeServiceWithProbabilityHeader),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  SendRequestAndExpectHttpResponse("hello world");
  SendRequestAndExpectQuicResponse("hello!");
}

TEST_P(QuicNetworkTransactionTest, SetAlternativeServiceWithScheme) {
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"),
      MockRead("Alt-Svc: quic=\"foo.example.org:443\", quic=\":444\"\r\n\r\n"),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);

  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  CreateSession();
  // Send http request, ignore alternative service advertising if response
  // header advertises alternative service for mail.example.org.
  request_.url = GURL("http://mail.example.org:443");
  SendRequestAndExpectHttpResponse("hello world");
  base::WeakPtr<HttpServerProperties> http_server_properties =
      session_->http_server_properties();
  url::SchemeHostPort http_server("http", "mail.example.org", 443);
  url::SchemeHostPort https_server("https", "mail.example.org", 443);
  // Check alternative service is set for the correct origin.
  EXPECT_EQ(2u,
            http_server_properties->GetAlternativeServices(http_server).size());
  EXPECT_EQ(
      0u, http_server_properties->GetAlternativeServices(https_server).size());
}

TEST_P(QuicNetworkTransactionTest, DoNotGetAltSvcForDifferentOrigin) {
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"),
      MockRead("Alt-Svc: quic=\"foo.example.org:443\", quic=\":444\"\r\n\r\n"),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);

  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  CreateSession();

  // Send https request and set alternative services if response header
  // advertises alternative service for mail.example.org.
  SendRequestAndExpectHttpResponse("hello world");
  base::WeakPtr<HttpServerProperties> http_server_properties =
      session_->http_server_properties();

  const url::SchemeHostPort https_server(request_.url);
  // Check alternative service is set.
  AlternativeServiceVector alternative_service_vector =
      http_server_properties->GetAlternativeServices(https_server);
  EXPECT_EQ(2u, alternative_service_vector.size());

  // Send http request to the same origin but with diffrent scheme, should not
  // use QUIC.
  request_.url = GURL("http://mail.example.org:443");
  SendRequestAndExpectHttpResponse("hello world");
}

TEST_P(QuicNetworkTransactionTest, UseAlternativeServiceQuicSupportedVersion) {
  std::string altsvc_header = base::StringPrintf(
      "Alt-Svc: quic=\":443\"; v=\"%u\"\r\n\r\n", GetParam());
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"), MockRead(altsvc_header.c_str()),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  SendRequestAndExpectHttpResponse("hello world");
  SendRequestAndExpectQuicResponse("hello!");
}

TEST_P(QuicNetworkTransactionTest, GoAwayWithConnectionMigrationOnPortsOnly) {
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  // Read a GoAway packet with
  // QuicErrorCode: QUIC_ERROR_MIGRATING_PORT from the peer.
  mock_quic_data.AddRead(ConstructServerGoAwayPacket(
      2, QUIC_ERROR_MIGRATING_PORT,
      "connection migration with port change only"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ConstructServerDataPacket(3, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckAndRstPacket(
      3, kClientDataStreamId1, QUIC_STREAM_CANCELLED, 3, 3, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  // The non-alternate protocol job needs to hang in order to guarantee that
  // the alternate-protocol job will "win".
  AddHangingNonAlternateProtocolSocketData();

  // In order for a new QUIC session to be established via alternate-protocol
  // without racing an HTTP connection, we need the host resolution to happen
  // synchronously.  Of course, even though QUIC *could* perform a 0-RTT
  // connection to the the server, in this test we require confirmation
  // before encrypting so the HTTP job will still start.
  host_resolver_.set_synchronous_mode(true);
  host_resolver_.rules()->AddIPLiteralRule("mail.example.org", "192.168.0.1",
                                           "");
  HostResolver::RequestInfo info(HostPortPair("mail.example.org", 443));
  AddressList address;
  host_resolver_.Resolve(info, DEFAULT_PRIORITY, &address, CompletionCallback(),
                         nullptr, net_log_.bound());

  CreateSession();
  session_->quic_stream_factory()->set_require_confirmation(true);
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);

  std::unique_ptr<HttpNetworkTransaction> trans(
      new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
  TestCompletionCallback callback;
  int rv = trans->Start(&request_, callback.callback(), net_log_.bound());
  EXPECT_EQ(ERR_IO_PENDING, rv);

  crypto_client_stream_factory_.last_stream()->SendOnCryptoHandshakeEvent(
      QuicSession::HANDSHAKE_CONFIRMED);
  EXPECT_EQ(OK, callback.WaitForResult());

  // Check whether this transaction is correctly marked as received a go-away
  // because of migrating port.
  NetErrorDetails details;
  EXPECT_FALSE(details.quic_port_migration_detected);
  trans->PopulateNetErrorDetails(&details);
  EXPECT_TRUE(details.quic_port_migration_detected);
}

TEST_P(QuicNetworkTransactionTest,
       DoNotUseAlternativeServiceQuicUnsupportedVersion) {
  std::string altsvc_header = base::StringPrintf(
      "Alt-Svc: quic=\":443\"; v=\"%u\"\r\n\r\n", GetParam() - 1);
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"), MockRead(altsvc_header.c_str()),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  CreateSession();

  SendRequestAndExpectHttpResponse("hello world");
  SendRequestAndExpectHttpResponse("hello world");
}

// When multiple alternative services are advertised,
// HttpStreamFactoryImpl::RequestStreamInternal() should select the alternative
// service which uses existing QUIC session if available. If no existing QUIC
// session can be used, use the first alternative service from the list.
TEST_P(QuicNetworkTransactionTest, UseExistingAlternativeServiceForQuic) {
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"),
      MockRead("Alt-Svc: quic=\"foo.example.org:443\", quic=\":444\"\r\n\r\n"),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  QuicStreamOffset request_header_offset = 0;
  QuicStreamOffset response_header_offset = 0;
  // First QUIC request data.
  // Open a session to foo.example.org:443 using the first entry of the
  // alternative service list.
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/"), &request_header_offset));

  std::string alt_svc_list =
      "quic=\"mail.example.org:444\", quic=\"foo.example.org:443\", "
      "quic=\"bar.example.org:445\"";
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false,
      GetResponseHeaders("200 OK", alt_svc_list), &response_header_offset));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));

  // Second QUIC request data.
  // Connection pooling, using existing session, no need to include version
  // as version negotiation has been completed.
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      3, kClientDataStreamId2, false, true,
      GetRequestHeaders("GET", "https", "/"), &request_header_offset));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      3, kClientDataStreamId2, false, false, GetResponseHeaders("200 OK"),
      &response_header_offset));
  mock_quic_data.AddRead(ConstructServerDataPacket(4, kClientDataStreamId2,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(
      ConstructClientAckAndConnectionClosePacket(4, 4, 3, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  SendRequestAndExpectHttpResponse("hello world");

  SendRequestAndExpectQuicResponse("hello!");
  SendRequestAndExpectQuicResponse("hello!");
}

// Pool to existing session with matching QuicServerId
// even if alternative service destination is different.
TEST_P(QuicNetworkTransactionTest, PoolByOrigin) {
  MockQuicData mock_quic_data;
  QuicStreamOffset request_header_offset(0);
  QuicStreamOffset response_header_offset(0);

  // First request.
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/"), &request_header_offset));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK"),
      &response_header_offset));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));

  // Second request.
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      3, kClientDataStreamId2, false, true,
      GetRequestHeaders("GET", "https", "/"), &request_header_offset));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      3, kClientDataStreamId2, false, false, GetResponseHeaders("200 OK"),
      &response_header_offset));
  mock_quic_data.AddRead(ConstructServerDataPacket(4, kClientDataStreamId2,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(
      ConstructClientAckAndConnectionClosePacket(4, 4, 3, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  AddHangingNonAlternateProtocolSocketData();

  CreateSession();

  const char destination1[] = "first.example.com";
  const char destination2[] = "second.example.com";

  // Set up alternative service entry to destination1.
  url::SchemeHostPort server(request_.url);
  AlternativeService alternative_service(QUIC, destination1, 443);
  base::Time expiration = base::Time::Now() + base::TimeDelta::FromDays(1);
  http_server_properties_.SetAlternativeService(server, alternative_service,
                                                expiration);
  // First request opens connection to |destination1|
  // with QuicServerId.host() == kDefaultServerHostName.
  SendRequestAndExpectQuicResponse("hello!");

  // Set up alternative service entry to a different destination.
  alternative_service = AlternativeService(QUIC, destination2, 443);
  http_server_properties_.SetAlternativeService(server, alternative_service,
                                                expiration);
  // Second request pools to existing connection with same QuicServerId,
  // even though alternative service destination is different.
  SendRequestAndExpectQuicResponse("hello!");
}

// Pool to existing session with matching destination and matching certificate
// even if origin is different, and even if the alternative service with
// matching destination is not the first one on the list.
TEST_P(QuicNetworkTransactionTest, PoolByDestination) {
  GURL origin1 = request_.url;
  GURL origin2("https://www.example.org/");
  ASSERT_NE(origin1.host(), origin2.host());

  MockQuicData mock_quic_data;
  QuicStreamOffset request_header_offset(0);
  QuicStreamOffset response_header_offset(0);

  // First request.
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/"), &request_header_offset));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK"),
      &response_header_offset));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));

  // Second request.
  QuicTestPacketMaker client_maker2(GetParam(), 0, clock_, origin2.host(),
                                    Perspective::IS_CLIENT);
  QuicTestPacketMaker server_maker2(GetParam(), 0, clock_, origin2.host(),
                                    Perspective::IS_SERVER);
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      3, kClientDataStreamId2, false, true,
      GetRequestHeaders("GET", "https", "/", &client_maker2),
      &request_header_offset, &client_maker2));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      3, kClientDataStreamId2, false, false, GetResponseHeaders("200 OK"),
      &response_header_offset, &server_maker2));
  mock_quic_data.AddRead(ConstructServerDataPacket(4, kClientDataStreamId2,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(
      ConstructClientAckAndConnectionClosePacket(4, 4, 3, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  AddHangingNonAlternateProtocolSocketData();

  CreateSession();

  const char destination1[] = "first.example.com";
  const char destination2[] = "second.example.com";

  // Set up alternative service for |origin1|.
  AlternativeService alternative_service1(QUIC, destination1, 443);
  base::Time expiration = base::Time::Now() + base::TimeDelta::FromDays(1);
  http_server_properties_.SetAlternativeService(
      url::SchemeHostPort(origin1), alternative_service1, expiration);

  // Set up multiple alternative service entries for |origin2|,
  // the first one with a different destination as for |origin1|,
  // the second one with the same.  The second one should be used,
  // because the request can be pooled to that one.
  AlternativeService alternative_service2(QUIC, destination2, 443);
  AlternativeServiceInfoVector alternative_services;
  alternative_services.push_back(
      AlternativeServiceInfo(alternative_service2, expiration));
  alternative_services.push_back(
      AlternativeServiceInfo(alternative_service1, expiration));
  http_server_properties_.SetAlternativeServices(url::SchemeHostPort(origin2),
                                                 alternative_services);
  // First request opens connection to |destination1|
  // with QuicServerId.host() == origin1.host().
  SendRequestAndExpectQuicResponse("hello!");

  // Second request pools to existing connection with same destination,
  // because certificate matches, even though QuicServerId is different.
  request_.url = origin2;

  SendRequestAndExpectQuicResponse("hello!");
}

// Multiple origins have listed the same alternative services. When there's a
// existing QUIC session opened by a request to other origin,
// if the cert is valid, should select this QUIC session to make the request
// if this is also the first existing QUIC session.
TEST_P(QuicNetworkTransactionTest,
       UseSharedExistingAlternativeServiceForQuicWithValidCert) {
  // Default cert is valid for *.example.org

  // HTTP data for request to www.example.org.
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"),
      MockRead("Alt-Svc: quic=\":443\"\r\n\r\n"),
      MockRead("hello world from www.example.org"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  // HTTP data for request to mail.example.org.
  MockRead http_reads2[] = {
      MockRead("HTTP/1.1 200 OK\r\n"),
      MockRead("Alt-Svc: quic=\":444\", quic=\"www.example.org:443\"\r\n\r\n"),
      MockRead("hello world from mail.example.org"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data2(http_reads2, arraysize(http_reads2),
                                      nullptr, 0);
  socket_factory_.AddSocketDataProvider(&http_data2);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  QuicStreamOffset request_header_offset = 0;
  QuicStreamOffset response_header_offset = 0;

  QuicTestPacketMaker client_maker(GetParam(), 0, clock_, "mail.example.org",
                                   Perspective::IS_CLIENT);
  server_maker_.set_hostname("www.example.org");
  client_maker_.set_hostname("www.example.org");
  MockQuicData mock_quic_data;

  // First QUIC request data.
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/"), &request_header_offset));

  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK"),
      &response_header_offset));
  mock_quic_data.AddRead(ConstructServerDataPacket(
      2, kClientDataStreamId1, false, true, 0, "hello from mail QUIC!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  // Second QUIC request data.
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      3, kClientDataStreamId2, false, true,
      GetRequestHeaders("GET", "https", "/", &client_maker),
      &request_header_offset, &client_maker));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      3, kClientDataStreamId2, false, false, GetResponseHeaders("200 OK"),
      &response_header_offset));
  mock_quic_data.AddRead(ConstructServerDataPacket(
      4, kClientDataStreamId2, false, true, 0, "hello from mail QUIC!"));
  mock_quic_data.AddWrite(
      ConstructClientAckAndConnectionClosePacket(4, 4, 3, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  // Send two HTTP requests, responses set up alt-svc lists for the origins.
  request_.url = GURL("https://www.example.org/");
  SendRequestAndExpectHttpResponse("hello world from www.example.org");
  request_.url = GURL("https://mail.example.org/");
  SendRequestAndExpectHttpResponse("hello world from mail.example.org");

  // Open a QUIC session to mail.example.org:443 when making request
  // to mail.example.org.
  request_.url = GURL("https://www.example.org/");
  SendRequestAndExpectQuicResponse("hello from mail QUIC!");

  // Uses the existing QUIC session when making request to www.example.org.
  request_.url = GURL("https://mail.example.org/");
  SendRequestAndExpectQuicResponse("hello from mail QUIC!");
}

TEST_P(QuicNetworkTransactionTest, AlternativeServiceDifferentPort) {
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"),
      MockRead(kQuicAlternativeServiceDifferentPortHeader),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  SendRequestAndExpectHttpResponse("hello world");

  url::SchemeHostPort http_server("https", kDefaultServerHostName, 443);
  AlternativeServiceVector alternative_service_vector =
      http_server_properties_.GetAlternativeServices(http_server);
  ASSERT_EQ(1u, alternative_service_vector.size());
  const AlternativeService alternative_service = alternative_service_vector[0];
  EXPECT_EQ(QUIC, alternative_service_vector[0].protocol);
  EXPECT_EQ(kDefaultServerHostName, alternative_service_vector[0].host);
  EXPECT_EQ(137, alternative_service_vector[0].port);
}

TEST_P(QuicNetworkTransactionTest, ConfirmAlternativeService) {
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"), MockRead(kQuicAlternativeServiceHeader),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  AlternativeService alternative_service(QUIC,
                                         HostPortPair::FromURL(request_.url));
  http_server_properties_.MarkAlternativeServiceRecentlyBroken(
      alternative_service);
  EXPECT_TRUE(http_server_properties_.WasAlternativeServiceRecentlyBroken(
      alternative_service));

  SendRequestAndExpectHttpResponse("hello world");
  SendRequestAndExpectQuicResponse("hello!");

  mock_quic_data.Resume();

  EXPECT_FALSE(http_server_properties_.WasAlternativeServiceRecentlyBroken(
      alternative_service));
}

TEST_P(QuicNetworkTransactionTest, UseAlternativeServiceForQuicForHttps) {
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"), MockRead(kQuicAlternativeServiceHeader),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(SYNCHRONOUS, 0);  // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  // TODO(rtenneti): Test QUIC over HTTPS, GetSSLInfo().
  SendRequestAndExpectHttpResponse("hello world");
}

TEST_P(QuicNetworkTransactionTest, HungAlternativeService) {
  crypto_client_stream_factory_.set_handshake_mode(
      MockCryptoClientStream::COLD_START);

  MockWrite http_writes[] = {
      MockWrite(SYNCHRONOUS, 0, "GET / HTTP/1.1\r\n"),
      MockWrite(SYNCHRONOUS, 1, "Host: mail.example.org\r\n"),
      MockWrite(SYNCHRONOUS, 2, "Connection: keep-alive\r\n\r\n")};

  MockRead http_reads[] = {
      MockRead(SYNCHRONOUS, 3, "HTTP/1.1 200 OK\r\n"),
      MockRead(SYNCHRONOUS, 4, kQuicAlternativeServiceHeader),
      MockRead(SYNCHRONOUS, 5, "hello world"), MockRead(SYNCHRONOUS, OK, 6)};

  SequencedSocketData http_data(http_reads, arraysize(http_reads), http_writes,
                                arraysize(http_writes));
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  // The QUIC transaction will not be allowed to complete.
  MockWrite quic_writes[] = {MockWrite(SYNCHRONOUS, ERR_IO_PENDING, 1)};
  MockRead quic_reads[] = {
      MockRead(SYNCHRONOUS, ERR_IO_PENDING, 0),
  };
  SequencedSocketData quic_data(quic_reads, arraysize(quic_reads), quic_writes,
                                arraysize(quic_writes));
  socket_factory_.AddSocketDataProvider(&quic_data);

  // The HTTP transaction will complete.
  SequencedSocketData http_data2(http_reads, arraysize(http_reads), http_writes,
                                 arraysize(http_writes));
  socket_factory_.AddSocketDataProvider(&http_data2);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  CreateSession();

  // Run the first request.
  SendRequestAndExpectHttpResponse("hello world");
  ASSERT_TRUE(http_data.AllReadDataConsumed());
  ASSERT_TRUE(http_data.AllWriteDataConsumed());

  // Now run the second request in which the QUIC socket hangs,
  // and verify the the transaction continues over HTTP.
  SendRequestAndExpectHttpResponse("hello world");
  base::RunLoop().RunUntilIdle();

  ASSERT_TRUE(http_data2.AllReadDataConsumed());
  ASSERT_TRUE(http_data2.AllWriteDataConsumed());
  ASSERT_TRUE(quic_data.AllReadDataConsumed());
}

TEST_P(QuicNetworkTransactionTest, ZeroRTTWithHttpRace) {
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  // The non-alternate protocol job needs to hang in order to guarantee that
  // the alternate-protocol job will "win".
  AddHangingNonAlternateProtocolSocketData();

  CreateSession();
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);
  SendRequestAndExpectQuicResponse("hello!");
}

TEST_P(QuicNetworkTransactionTest, ZeroRTTWithNoHttpRace) {
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF
  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  // In order for a new QUIC session to be established via alternate-protocol
  // without racing an HTTP connection, we need the host resolution to happen
  // synchronously.
  host_resolver_.set_synchronous_mode(true);
  host_resolver_.rules()->AddIPLiteralRule("mail.example.org", "192.168.0.1",
                                           "");
  HostResolver::RequestInfo info(HostPortPair("mail.example.org", 443));
  AddressList address;
  host_resolver_.Resolve(info, DEFAULT_PRIORITY, &address, CompletionCallback(),
                         nullptr, net_log_.bound());

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);
  SendRequestAndExpectQuicResponse("hello!");
}

TEST_P(QuicNetworkTransactionTest, ZeroRTTWithProxy) {
  proxy_service_ = ProxyService::CreateFixedFromPacResult("PROXY myproxy:70");

  // Since we are using a proxy, the QUIC job will not succeed.
  MockWrite http_writes[] = {
      MockWrite(SYNCHRONOUS, 0, "GET http://mail.example.org/ HTTP/1.1\r\n"),
      MockWrite(SYNCHRONOUS, 1, "Host: mail.example.org\r\n"),
      MockWrite(SYNCHRONOUS, 2, "Proxy-Connection: keep-alive\r\n\r\n")};

  MockRead http_reads[] = {
      MockRead(SYNCHRONOUS, 3, "HTTP/1.1 200 OK\r\n"),
      MockRead(SYNCHRONOUS, 4, kQuicAlternativeServiceHeader),
      MockRead(SYNCHRONOUS, 5, "hello world"), MockRead(SYNCHRONOUS, OK, 6)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads),
                                     http_writes, arraysize(http_writes));
  socket_factory_.AddSocketDataProvider(&http_data);

  // In order for a new QUIC session to be established via alternate-protocol
  // without racing an HTTP connection, we need the host resolution to happen
  // synchronously.
  host_resolver_.set_synchronous_mode(true);
  host_resolver_.rules()->AddIPLiteralRule("mail.example.org", "192.168.0.1",
                                           "");
  HostResolver::RequestInfo info(HostPortPair("mail.example.org", 443));
  AddressList address;
  host_resolver_.Resolve(info, DEFAULT_PRIORITY, &address, CompletionCallback(),
                         nullptr, net_log_.bound());

  request_.url = GURL("http://mail.example.org/");
  CreateSession();
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);
  SendRequestAndExpectHttpResponse("hello world");
}

TEST_P(QuicNetworkTransactionTest, ZeroRTTWithConfirmationRequired) {
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(SYNCHRONOUS, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  // The non-alternate protocol job needs to hang in order to guarantee that
  // the alternate-protocol job will "win".
  AddHangingNonAlternateProtocolSocketData();

  // In order for a new QUIC session to be established via alternate-protocol
  // without racing an HTTP connection, we need the host resolution to happen
  // synchronously.  Of course, even though QUIC *could* perform a 0-RTT
  // connection to the the server, in this test we require confirmation
  // before encrypting so the HTTP job will still start.
  host_resolver_.set_synchronous_mode(true);
  host_resolver_.rules()->AddIPLiteralRule("mail.example.org", "192.168.0.1",
                                           "");
  HostResolver::RequestInfo info(HostPortPair("mail.example.org", 443));
  AddressList address;
  host_resolver_.Resolve(info, DEFAULT_PRIORITY, &address, CompletionCallback(),
                         nullptr, net_log_.bound());

  CreateSession();
  session_->quic_stream_factory()->set_require_confirmation(true);
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);

  std::unique_ptr<HttpNetworkTransaction> trans(
      new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
  TestCompletionCallback callback;
  int rv = trans->Start(&request_, callback.callback(), net_log_.bound());
  EXPECT_EQ(ERR_IO_PENDING, rv);

  crypto_client_stream_factory_.last_stream()->SendOnCryptoHandshakeEvent(
      QuicSession::HANDSHAKE_CONFIRMED);
  EXPECT_EQ(OK, callback.WaitForResult());

  CheckWasQuicResponse(trans);
  CheckResponseData(trans, "hello!");
}

TEST_P(QuicNetworkTransactionTest,
       LogGranularQuicErrorCodeOnQuicProtocolErrorLocal) {
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  // Read a close connection packet with
  // QuicErrorCode: QUIC_CRYPTO_VERSION_NOT_SUPPORTED from the peer.
  mock_quic_data.AddRead(ConstructServerConnectionClosePacket(1));
  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  // The non-alternate protocol job needs to hang in order to guarantee that
  // the alternate-protocol job will "win".
  AddHangingNonAlternateProtocolSocketData();

  // In order for a new QUIC session to be established via alternate-protocol
  // without racing an HTTP connection, we need the host resolution to happen
  // synchronously.  Of course, even though QUIC *could* perform a 0-RTT
  // connection to the the server, in this test we require confirmation
  // before encrypting so the HTTP job will still start.
  host_resolver_.set_synchronous_mode(true);
  host_resolver_.rules()->AddIPLiteralRule("mail.example.org", "192.168.0.1",
                                           "");
  HostResolver::RequestInfo info(HostPortPair("mail.example.org", 443));
  AddressList address;
  host_resolver_.Resolve(info, DEFAULT_PRIORITY, &address, CompletionCallback(),
                         nullptr, net_log_.bound());

  CreateSession();
  session_->quic_stream_factory()->set_require_confirmation(true);
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);

  std::unique_ptr<HttpNetworkTransaction> trans(
      new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
  TestCompletionCallback callback;
  int rv = trans->Start(&request_, callback.callback(), net_log_.bound());
  EXPECT_EQ(ERR_IO_PENDING, rv);

  crypto_client_stream_factory_.last_stream()->SendOnCryptoHandshakeEvent(
      QuicSession::HANDSHAKE_CONFIRMED);
  EXPECT_EQ(ERR_QUIC_PROTOCOL_ERROR, callback.WaitForResult());

  NetErrorDetails details;
  EXPECT_EQ(QUIC_NO_ERROR, details.quic_connection_error);

  trans->PopulateNetErrorDetails(&details);
  // Verify the error code logged is what sent by the peer.
  EXPECT_EQ(QUIC_CRYPTO_VERSION_NOT_SUPPORTED, details.quic_connection_error);
}

TEST_P(QuicNetworkTransactionTest,
       LogGranularQuicErrorCodeOnQuicProtocolErrorRemote) {
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  // Peer sending data from an non-existing stream causes this end to raise
  // error and close connection.
  mock_quic_data.AddRead(
      ConstructServerRstPacket(1, false, 99, QUIC_STREAM_LAST_ERROR));
  std::string quic_error_details = "Data for nonexistent stream";
  mock_quic_data.AddWrite(ConstructClientAckAndConnectionClosePacket(
      2, QuicTime::Delta::Infinite(), 0, 1, QUIC_INVALID_STREAM_ID,
      quic_error_details));
  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  // The non-alternate protocol job needs to hang in order to guarantee that
  // the alternate-protocol job will "win".
  AddHangingNonAlternateProtocolSocketData();

  // In order for a new QUIC session to be established via alternate-protocol
  // without racing an HTTP connection, we need the host resolution to happen
  // synchronously.  Of course, even though QUIC *could* perform a 0-RTT
  // connection to the the server, in this test we require confirmation
  // before encrypting so the HTTP job will still start.
  host_resolver_.set_synchronous_mode(true);
  host_resolver_.rules()->AddIPLiteralRule("mail.example.org", "192.168.0.1",
                                           "");
  HostResolver::RequestInfo info(HostPortPair("mail.example.org", 443));
  AddressList address;
  host_resolver_.Resolve(info, DEFAULT_PRIORITY, &address, CompletionCallback(),
                         nullptr, net_log_.bound());

  CreateSession();
  session_->quic_stream_factory()->set_require_confirmation(true);
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);

  std::unique_ptr<HttpNetworkTransaction> trans(
      new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
  TestCompletionCallback callback;
  int rv = trans->Start(&request_, callback.callback(), net_log_.bound());
  EXPECT_EQ(ERR_IO_PENDING, rv);

  crypto_client_stream_factory_.last_stream()->SendOnCryptoHandshakeEvent(
      QuicSession::HANDSHAKE_CONFIRMED);
  EXPECT_EQ(ERR_QUIC_PROTOCOL_ERROR, callback.WaitForResult());
  NetErrorDetails details;
  EXPECT_EQ(QUIC_NO_ERROR, details.quic_connection_error);

  trans->PopulateNetErrorDetails(&details);
  EXPECT_EQ(QUIC_INVALID_STREAM_ID, details.quic_connection_error);
}

TEST_P(QuicNetworkTransactionTest, BrokenAlternateProtocol) {
  // Alternate-protocol job
  std::unique_ptr<QuicEncryptedPacket> close(
      ConstructServerConnectionClosePacket(1));
  MockRead quic_reads[] = {
      MockRead(ASYNC, close->data(), close->length()),
      MockRead(ASYNC, ERR_IO_PENDING),  // No more data to read
      MockRead(ASYNC, OK),              // EOF
  };
  StaticSocketDataProvider quic_data(quic_reads, arraysize(quic_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&quic_data);

  // Main job which will succeed even though the alternate job fails.
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n\r\n"), MockRead("hello from http"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  CreateSession();
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::COLD_START);
  SendRequestAndExpectHttpResponse("hello from http");
  ExpectBrokenAlternateProtocolMapping();
}

TEST_P(QuicNetworkTransactionTest, BrokenAlternateProtocolReadError) {
  // Alternate-protocol job
  MockRead quic_reads[] = {
      MockRead(ASYNC, ERR_SOCKET_NOT_CONNECTED),
  };
  StaticSocketDataProvider quic_data(quic_reads, arraysize(quic_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&quic_data);

  // Main job which will succeed even though the alternate job fails.
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n\r\n"), MockRead("hello from http"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  CreateSession();

  AddQuicAlternateProtocolMapping(MockCryptoClientStream::COLD_START);
  SendRequestAndExpectHttpResponse("hello from http");
  ExpectBrokenAlternateProtocolMapping();
}

TEST_P(QuicNetworkTransactionTest, NoBrokenAlternateProtocolIfTcpFails) {
  // Alternate-protocol job will fail when the session attempts to read.
  MockRead quic_reads[] = {
      MockRead(ASYNC, ERR_SOCKET_NOT_CONNECTED),
  };
  StaticSocketDataProvider quic_data(quic_reads, arraysize(quic_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&quic_data);

  // Main job will also fail.
  MockRead http_reads[] = {
      MockRead(ASYNC, ERR_SOCKET_NOT_CONNECTED),
  };

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  http_data.set_connect_data(MockConnect(ASYNC, ERR_SOCKET_NOT_CONNECTED));
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  AddQuicAlternateProtocolMapping(MockCryptoClientStream::COLD_START);
  std::unique_ptr<HttpNetworkTransaction> trans(
      new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
  TestCompletionCallback callback;
  int rv = trans->Start(&request_, callback.callback(), net_log_.bound());
  EXPECT_EQ(ERR_IO_PENDING, rv);
  EXPECT_EQ(ERR_SOCKET_NOT_CONNECTED, callback.WaitForResult());
  ExpectQuicAlternateProtocolMapping();
}

TEST_P(QuicNetworkTransactionTest, FailedZeroRttBrokenAlternateProtocol) {
  // Alternate-protocol job
  MockRead quic_reads[] = {
      MockRead(ASYNC, ERR_SOCKET_NOT_CONNECTED),
  };
  StaticSocketDataProvider quic_data(quic_reads, arraysize(quic_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&quic_data);

  // Second Alternate-protocol job which will race with the TCP job.
  StaticSocketDataProvider quic_data2(quic_reads, arraysize(quic_reads),
                                      nullptr, 0);
  socket_factory_.AddSocketDataProvider(&quic_data2);

  // Final job that will proceed when the QUIC job fails.
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n\r\n"), MockRead("hello from http"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);

  SendRequestAndExpectHttpResponse("hello from http");

  ExpectBrokenAlternateProtocolMapping();

  EXPECT_TRUE(quic_data.AllReadDataConsumed());
  EXPECT_TRUE(quic_data.AllWriteDataConsumed());
}

TEST_P(QuicNetworkTransactionTest, DISABLED_HangingZeroRttFallback) {
  // Alternate-protocol job
  MockRead quic_reads[] = {
      MockRead(SYNCHRONOUS, ERR_IO_PENDING),
  };
  StaticSocketDataProvider quic_data(quic_reads, arraysize(quic_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&quic_data);

  // Main job that will proceed when the QUIC job fails.
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n\r\n"), MockRead("hello from http"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);

  AddHangingNonAlternateProtocolSocketData();
  CreateSession();

  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);

  SendRequestAndExpectHttpResponse("hello from http");
}

TEST_P(QuicNetworkTransactionTest, BrokenAlternateProtocolOnConnectFailure) {
  // Alternate-protocol job will fail before creating a QUIC session.
  StaticSocketDataProvider quic_data(nullptr, 0, nullptr, 0);
  quic_data.set_connect_data(
      MockConnect(SYNCHRONOUS, ERR_INTERNET_DISCONNECTED));
  socket_factory_.AddSocketDataProvider(&quic_data);

  // Main job which will succeed even though the alternate job fails.
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n\r\n"), MockRead("hello from http"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  CreateSession();
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::COLD_START);
  SendRequestAndExpectHttpResponse("hello from http");

  ExpectBrokenAlternateProtocolMapping();
}

TEST_P(QuicNetworkTransactionTest, ConnectionCloseDuringConnect) {
  MockQuicData mock_quic_data;
  mock_quic_data.AddSynchronousRead(ConstructServerConnectionClosePacket(1));
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  // When the QUIC connection fails, we will try the request again over HTTP.
  MockRead http_reads[] = {
      MockRead("HTTP/1.1 200 OK\r\n"), MockRead(kQuicAlternativeServiceHeader),
      MockRead("hello world"),
      MockRead(SYNCHRONOUS, ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ),
      MockRead(ASYNC, OK)};

  StaticSocketDataProvider http_data(http_reads, arraysize(http_reads), nullptr,
                                     0);
  socket_factory_.AddSocketDataProvider(&http_data);
  socket_factory_.AddSSLSocketDataProvider(&ssl_data_);

  // In order for a new QUIC session to be established via alternate-protocol
  // without racing an HTTP connection, we need the host resolution to happen
  // synchronously.
  host_resolver_.set_synchronous_mode(true);
  host_resolver_.rules()->AddIPLiteralRule("mail.example.org", "192.168.0.1",
                                           "");
  HostResolver::RequestInfo info(HostPortPair("mail.example.org", 443));
  AddressList address;
  host_resolver_.Resolve(info, DEFAULT_PRIORITY, &address, CompletionCallback(),
                         nullptr, net_log_.bound());

  CreateSession();
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::ZERO_RTT);
  SendRequestAndExpectHttpResponse("hello world");
}

TEST_P(QuicNetworkTransactionTest, SecureResourceOverSecureQuic) {
  client_maker_.set_hostname("www.example.org");
  EXPECT_FALSE(
      test_socket_performance_watcher_factory_.rtt_notification_received());
  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, true,
      GetRequestHeaders("GET", "https", "/")));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, false, false, GetResponseHeaders("200 OK")));
  mock_quic_data.AddRead(ConstructServerDataPacket(2, kClientDataStreamId1,
                                                   false, true, 0, "hello!"));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 1));
  mock_quic_data.AddRead(SYNCHRONOUS, ERR_IO_PENDING);  // No more read data.
  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  request_.url = GURL("https://www.example.org:443");
  AddHangingNonAlternateProtocolSocketData();
  CreateSession();
  AddQuicAlternateProtocolMapping(MockCryptoClientStream::CONFIRM_HANDSHAKE);
  SendRequestAndExpectQuicResponse("hello!");
  EXPECT_TRUE(
      test_socket_performance_watcher_factory_.rtt_notification_received());
}

TEST_P(QuicNetworkTransactionTest, QuicUpload) {
  params_.origins_to_force_quic_on.insert(
      HostPortPair::FromString("mail.example.org:443"));

  MockRead reads[] = {MockRead(SYNCHRONOUS, ERR_IO_PENDING, 0)};
  MockWrite writes[] = {MockWrite(SYNCHRONOUS, ERR_FAILED, 1)};
  SequencedSocketData socket_data(reads, arraysize(reads), writes,
                                  arraysize(writes));
  socket_factory_.AddSocketDataProvider(&socket_data);

  // The non-alternate protocol job needs to hang in order to guarantee that
  // the alternate-protocol job will "win".
  AddHangingNonAlternateProtocolSocketData();

  params_.enable_alternative_service_with_different_host = false;
  CreateSession();
  request_.method = "POST";
  ChunkedUploadDataStream upload_data(0);
  upload_data.AppendData("1", 1, true);

  request_.upload_data_stream = &upload_data;

  std::unique_ptr<HttpNetworkTransaction> trans(
      new HttpNetworkTransaction(DEFAULT_PRIORITY, session_.get()));
  TestCompletionCallback callback;
  int rv = trans->Start(&request_, callback.callback(), net_log_.bound());
  EXPECT_EQ(ERR_IO_PENDING, rv);
  EXPECT_NE(OK, callback.WaitForResult());
}

class QuicNetworkTransactionWithDestinationTest
    : public PlatformTest,
      public ::testing::WithParamInterface<PoolingTestParams> {
 protected:
  QuicNetworkTransactionWithDestinationTest()
      : clock_(new MockClock),
        version_(GetParam().version),
        destination_type_(GetParam().destination_type),
        cert_transparency_verifier_(new MultiLogCTVerifier()),
        ssl_config_service_(new SSLConfigServiceDefaults),
        proxy_service_(ProxyService::CreateDirect()),
        auth_handler_factory_(
            HttpAuthHandlerFactory::CreateDefault(&host_resolver_)),
        random_generator_(0),
        ssl_data_(ASYNC, OK) {}

  void SetUp() override {
    NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
    base::RunLoop().RunUntilIdle();

    HttpNetworkSession::Params params;

    clock_->AdvanceTime(QuicTime::Delta::FromMilliseconds(20));
    params.quic_clock = clock_;

    crypto_client_stream_factory_.set_handshake_mode(
        MockCryptoClientStream::CONFIRM_HANDSHAKE);
    params.quic_crypto_client_stream_factory = &crypto_client_stream_factory_;

    params.enable_alternative_service_with_different_host = true;
    params.enable_quic = true;
    params.quic_random = &random_generator_;
    params.client_socket_factory = &socket_factory_;
    params.host_resolver = &host_resolver_;
    params.cert_verifier = &cert_verifier_;
    params.transport_security_state = &transport_security_state_;
    params.cert_transparency_verifier = cert_transparency_verifier_.get();
    params.socket_performance_watcher_factory =
        &test_socket_performance_watcher_factory_;
    params.ssl_config_service = ssl_config_service_.get();
    params.proxy_service = proxy_service_.get();
    params.http_auth_handler_factory = auth_handler_factory_.get();
    params.http_server_properties = http_server_properties_.GetWeakPtr();
    params.quic_supported_versions = SupportedVersions(version_);
    params.quic_host_whitelist.insert("news.example.org");
    params.quic_host_whitelist.insert("mail.example.org");
    params.quic_host_whitelist.insert("mail.example.com");

    session_.reset(new HttpNetworkSession(params));
    session_->quic_stream_factory()->set_require_confirmation(true);
    ASSERT_EQ(params.quic_socket_receive_buffer_size,
              session_->quic_stream_factory()->socket_receive_buffer_size());
  }

  void TearDown() override {
    NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
    // Empty the current queue.
    base::RunLoop().RunUntilIdle();
    PlatformTest::TearDown();
    NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
    base::RunLoop().RunUntilIdle();
  }

  void SetAlternativeService(const std::string& origin) {
    HostPortPair destination;
    switch (destination_type_) {
      case SAME_AS_FIRST:
        destination = HostPortPair(origin1_, 443);
        break;
      case SAME_AS_SECOND:
        destination = HostPortPair(origin2_, 443);
        break;
      case DIFFERENT:
        destination = HostPortPair(kDifferentHostname, 443);
        break;
    }
    AlternativeService alternative_service(QUIC, destination);
    base::Time expiration = base::Time::Now() + base::TimeDelta::FromDays(1);
    http_server_properties_.SetAlternativeService(
        url::SchemeHostPort("https", origin, 443), alternative_service,
        expiration);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientRequestHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      QuicStreamOffset* offset,
      QuicTestPacketMaker* maker) {
    SpdyPriority priority =
        ConvertRequestPriorityToQuicPriority(DEFAULT_PRIORITY);
    SpdyHeaderBlock headers(maker->GetRequestHeaders("GET", "https", "/"));
    return maker->MakeRequestHeadersPacketWithOffsetTracking(
        packet_number, stream_id, should_include_version, true, priority,
        headers, offset);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientRequestHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      bool should_include_version,
      QuicTestPacketMaker* maker) {
    return ConstructClientRequestHeadersPacket(
        packet_number, stream_id, should_include_version, nullptr, maker);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerResponseHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      QuicStreamOffset* offset,
      QuicTestPacketMaker* maker) {
    SpdyHeaderBlock headers(maker->GetResponseHeaders("200 OK"));
    return maker->MakeResponseHeadersPacketWithOffsetTracking(
        packet_number, stream_id, false, false, headers, offset);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerResponseHeadersPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      QuicTestPacketMaker* maker) {
    return ConstructServerResponseHeadersPacket(packet_number, stream_id,
                                                nullptr, maker);
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructServerDataPacket(
      QuicPacketNumber packet_number,
      QuicStreamId stream_id,
      QuicTestPacketMaker* maker) {
    return maker->MakeDataPacket(packet_number, stream_id, false, true, 0,
                                 "hello");
  }

  std::unique_ptr<QuicEncryptedPacket> ConstructClientAckPacket(
      QuicPacketNumber packet_number,
      QuicPacketNumber largest_received,
      QuicPacketNumber ack_least_unacked,
      QuicPacketNumber stop_least_unacked,
      QuicTestPacketMaker* maker) {
    return maker->MakeAckPacket(packet_number, largest_received,
                                ack_least_unacked, stop_least_unacked, true);
  }

  void AddRefusedSocketData() {
    std::unique_ptr<StaticSocketDataProvider> refused_data(
        new StaticSocketDataProvider());
    MockConnect refused_connect(SYNCHRONOUS, ERR_CONNECTION_REFUSED);
    refused_data->set_connect_data(refused_connect);
    socket_factory_.AddSocketDataProvider(refused_data.get());
    static_socket_data_provider_vector_.push_back(std::move(refused_data));
  }

  void AddHangingSocketData() {
    std::unique_ptr<StaticSocketDataProvider> hanging_data(
        new StaticSocketDataProvider());
    MockConnect hanging_connect(SYNCHRONOUS, ERR_IO_PENDING);
    hanging_data->set_connect_data(hanging_connect);
    socket_factory_.AddSocketDataProvider(hanging_data.get());
    static_socket_data_provider_vector_.push_back(std::move(hanging_data));
    socket_factory_.AddSSLSocketDataProvider(&ssl_data_);
  }

  bool AllDataConsumed() {
    for (const auto& socket_data_ptr : static_socket_data_provider_vector_) {
      if (!socket_data_ptr->AllReadDataConsumed() ||
          !socket_data_ptr->AllWriteDataConsumed()) {
        return false;
      }
    }
    return true;
  }

  void SendRequestAndExpectQuicResponse(const std::string& host) {
    HttpNetworkTransaction trans(DEFAULT_PRIORITY, session_.get());
    HttpRequestInfo request;
    std::string url("https://");
    url.append(host);
    request.url = GURL(url);
    request.load_flags = 0;
    request.method = "GET";
    TestCompletionCallback callback;
    int rv = trans.Start(&request, callback.callback(), net_log_.bound());
    EXPECT_EQ(OK, callback.GetResult(rv));

    std::string response_data;
    ASSERT_EQ(OK, ReadTransaction(&trans, &response_data));
    EXPECT_EQ("hello", response_data);

    const HttpResponseInfo* response = trans.GetResponseInfo();
    ASSERT_TRUE(response != nullptr);
    ASSERT_TRUE(response->headers.get() != nullptr);
    EXPECT_EQ("HTTP/1.1 200 OK", response->headers->GetStatusLine());
    EXPECT_TRUE(response->was_fetched_via_spdy);
    EXPECT_TRUE(response->was_npn_negotiated);
    EXPECT_EQ(HttpResponseInfo::CONNECTION_INFO_QUIC1_SPDY3,
              response->connection_info);
    EXPECT_EQ(443, response->socket_address.port());
  }

  MockClock* clock_;
  QuicVersion version_;
  DestinationType destination_type_;
  std::string origin1_;
  std::string origin2_;
  std::unique_ptr<HttpNetworkSession> session_;
  MockClientSocketFactory socket_factory_;
  MockHostResolver host_resolver_;
  MockCertVerifier cert_verifier_;
  TransportSecurityState transport_security_state_;
  std::unique_ptr<CTVerifier> cert_transparency_verifier_;
  TestSocketPerformanceWatcherFactory test_socket_performance_watcher_factory_;
  scoped_refptr<SSLConfigServiceDefaults> ssl_config_service_;
  std::unique_ptr<ProxyService> proxy_service_;
  std::unique_ptr<HttpAuthHandlerFactory> auth_handler_factory_;
  MockRandom random_generator_;
  HttpServerPropertiesImpl http_server_properties_;
  BoundTestNetLog net_log_;
  MockCryptoClientStreamFactory crypto_client_stream_factory_;
  std::vector<std::unique_ptr<StaticSocketDataProvider>>
      static_socket_data_provider_vector_;
  SSLSocketDataProvider ssl_data_;
};

INSTANTIATE_TEST_CASE_P(Version,
                        QuicNetworkTransactionWithDestinationTest,
                        ::testing::ValuesIn(GetPoolingTestParams()));

// A single QUIC request fails because the certificate does not match the origin
// hostname, regardless of whether it matches the alternative service hostname.
TEST_P(QuicNetworkTransactionWithDestinationTest, InvalidCertificate) {
  if (destination_type_ == DIFFERENT)
    return;

  GURL url("https://mail.example.com/");
  origin1_ = url.host();

  // Not used for requests, but this provides a test case where the certificate
  // is valid for the hostname of the alternative service.
  origin2_ = "mail.example.org";

  SetAlternativeService(origin1_);

  scoped_refptr<X509Certificate> cert(
      ImportCertFromFile(GetTestCertsDirectory(), "wildcard.pem"));
  bool unused;
  ASSERT_FALSE(cert->VerifyNameMatch(origin1_, &unused));
  ASSERT_TRUE(cert->VerifyNameMatch(origin2_, &unused));

  ProofVerifyDetailsChromium verify_details;
  verify_details.cert_verify_result.verified_cert = cert;
  verify_details.cert_verify_result.is_issued_by_known_root = true;
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details);

  MockQuicData mock_quic_data;
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);
  mock_quic_data.AddRead(ASYNC, 0);

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddRefusedSocketData();

  HttpRequestInfo request;
  request.url = url;

  HttpNetworkTransaction trans(DEFAULT_PRIORITY, session_.get());
  TestCompletionCallback callback;
  int rv = trans.Start(&request, callback.callback(), net_log_.bound());
  EXPECT_EQ(ERR_CONNECTION_REFUSED, callback.GetResult(rv));

  EXPECT_TRUE(AllDataConsumed());
}

// First request opens QUIC session to alternative service.  Second request
// pools to it, because destination matches and certificate is valid, even
// though QuicServerId is different.
TEST_P(QuicNetworkTransactionWithDestinationTest, PoolIfCertificateValid) {
  origin1_ = "mail.example.org";
  origin2_ = "news.example.org";

  SetAlternativeService(origin1_);
  SetAlternativeService(origin2_);

  scoped_refptr<X509Certificate> cert(
      ImportCertFromFile(GetTestCertsDirectory(), "wildcard.pem"));
  bool unused;
  ASSERT_TRUE(cert->VerifyNameMatch(origin1_, &unused));
  ASSERT_TRUE(cert->VerifyNameMatch(origin2_, &unused));
  ASSERT_FALSE(cert->VerifyNameMatch(kDifferentHostname, &unused));

  ProofVerifyDetailsChromium verify_details;
  verify_details.cert_verify_result.verified_cert = cert;
  verify_details.cert_verify_result.is_issued_by_known_root = true;
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details);

  QuicTestPacketMaker client_maker1(version_, 0, clock_, origin1_,
                                    Perspective::IS_CLIENT);
  QuicTestPacketMaker server_maker1(version_, 0, clock_, origin1_,
                                    Perspective::IS_SERVER);

  QuicStreamOffset request_header_offset(0);
  QuicStreamOffset response_header_offset(0);

  MockQuicData mock_quic_data;
  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, &request_header_offset, &client_maker1));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, &response_header_offset, &server_maker1));
  mock_quic_data.AddRead(
      ConstructServerDataPacket(2, kClientDataStreamId1, &server_maker1));
  mock_quic_data.AddWrite(ConstructClientAckPacket(2, 2, 1, 1, &client_maker1));

  QuicTestPacketMaker client_maker2(version_, 0, clock_, origin2_,
                                    Perspective::IS_CLIENT);
  QuicTestPacketMaker server_maker2(version_, 0, clock_, origin2_,
                                    Perspective::IS_SERVER);

  mock_quic_data.AddWrite(ConstructClientRequestHeadersPacket(
      3, kClientDataStreamId2, false, &request_header_offset, &client_maker2));
  mock_quic_data.AddRead(ConstructServerResponseHeadersPacket(
      3, kClientDataStreamId2, &response_header_offset, &server_maker2));
  mock_quic_data.AddRead(
      ConstructServerDataPacket(4, kClientDataStreamId2, &server_maker2));
  mock_quic_data.AddWrite(ConstructClientAckPacket(4, 4, 3, 1, &client_maker2));
  mock_quic_data.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data.AddRead(ASYNC, 0);               // EOF

  mock_quic_data.AddSocketDataToFactory(&socket_factory_);

  AddHangingSocketData();
  AddHangingSocketData();

  SendRequestAndExpectQuicResponse(origin1_);
  SendRequestAndExpectQuicResponse(origin2_);

  EXPECT_TRUE(AllDataConsumed());
}

// First request opens QUIC session to alternative service.  Second request does
// not pool to it, even though destination matches, because certificate is not
// valid.  Instead, a new QUIC session is opened to the same destination with a
// different QuicServerId.
TEST_P(QuicNetworkTransactionWithDestinationTest,
       DoNotPoolIfCertificateInvalid) {
  origin1_ = "news.example.org";
  origin2_ = "mail.example.com";

  SetAlternativeService(origin1_);
  SetAlternativeService(origin2_);

  scoped_refptr<X509Certificate> cert1(
      ImportCertFromFile(GetTestCertsDirectory(), "wildcard.pem"));
  bool unused;
  ASSERT_TRUE(cert1->VerifyNameMatch(origin1_, &unused));
  ASSERT_FALSE(cert1->VerifyNameMatch(origin2_, &unused));
  ASSERT_FALSE(cert1->VerifyNameMatch(kDifferentHostname, &unused));

  scoped_refptr<X509Certificate> cert2(
      ImportCertFromFile(GetTestCertsDirectory(), "spdy_pooling.pem"));
  ASSERT_TRUE(cert2->VerifyNameMatch(origin2_, &unused));
  ASSERT_FALSE(cert2->VerifyNameMatch(kDifferentHostname, &unused));

  ProofVerifyDetailsChromium verify_details1;
  verify_details1.cert_verify_result.verified_cert = cert1;
  verify_details1.cert_verify_result.is_issued_by_known_root = true;
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details1);

  ProofVerifyDetailsChromium verify_details2;
  verify_details2.cert_verify_result.verified_cert = cert2;
  verify_details2.cert_verify_result.is_issued_by_known_root = true;
  crypto_client_stream_factory_.AddProofVerifyDetails(&verify_details2);

  QuicTestPacketMaker client_maker1(version_, 0, clock_, origin1_,
                                    Perspective::IS_CLIENT);
  QuicTestPacketMaker server_maker1(version_, 0, clock_, origin1_,
                                    Perspective::IS_SERVER);

  MockQuicData mock_quic_data1;
  mock_quic_data1.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, &client_maker1));
  mock_quic_data1.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, &server_maker1));
  mock_quic_data1.AddRead(
      ConstructServerDataPacket(2, kClientDataStreamId1, &server_maker1));
  mock_quic_data1.AddWrite(
      ConstructClientAckPacket(2, 2, 1, 1, &client_maker1));
  mock_quic_data1.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data1.AddRead(ASYNC, 0);               // EOF

  mock_quic_data1.AddSocketDataToFactory(&socket_factory_);

  AddHangingSocketData();

  QuicTestPacketMaker client_maker2(version_, 0, clock_, origin2_,
                                    Perspective::IS_CLIENT);
  QuicTestPacketMaker server_maker2(version_, 0, clock_, origin2_,
                                    Perspective::IS_SERVER);

  MockQuicData mock_quic_data2;
  mock_quic_data2.AddWrite(ConstructClientRequestHeadersPacket(
      1, kClientDataStreamId1, true, &client_maker2));
  mock_quic_data2.AddRead(ConstructServerResponseHeadersPacket(
      1, kClientDataStreamId1, &server_maker2));
  mock_quic_data2.AddRead(
      ConstructServerDataPacket(2, kClientDataStreamId1, &server_maker2));
  mock_quic_data2.AddWrite(
      ConstructClientAckPacket(2, 2, 1, 1, &client_maker2));
  mock_quic_data2.AddRead(ASYNC, ERR_IO_PENDING);  // No more data to read
  mock_quic_data2.AddRead(ASYNC, 0);               // EOF

  mock_quic_data2.AddSocketDataToFactory(&socket_factory_);

  AddHangingSocketData();

  SendRequestAndExpectQuicResponse(origin1_);
  SendRequestAndExpectQuicResponse(origin2_);

  EXPECT_TRUE(AllDataConsumed());
}

}  // namespace test
}  // namespace net