Implement QUIC-based net::BidirectionalStream

net/quic/bidirectional_stream_quic_impl_unittest.cc

Index: net/quic/bidirectional_stream_quic_impl_unittest.cc
diff --git a/net/quic/bidirectional_stream_quic_impl_unittest.cc b/net/quic/bidirectional_stream_quic_impl_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0777b6f0321c146bf9caf54a60f6850fd2e49ad6
--- /dev/null
+++ b/net/quic/bidirectional_stream_quic_impl_unittest.cc
@@ -0,0 +1,1105 @@
+// Copyright 2016 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 "net/quic/bidirectional_stream_quic_impl.h"
+
+#include <stdint.h>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "net/base/net_errors.h"
+#include "net/http/transport_security_state.h"
+#include "net/quic/crypto/crypto_protocol.h"
+#include "net/quic/crypto/quic_decrypter.h"
+#include "net/quic/crypto/quic_encrypter.h"
+#include "net/quic/crypto/quic_server_info.h"
+#include "net/quic/quic_chromium_client_session.h"
+#include "net/quic/quic_chromium_client_stream.h"
+#include "net/quic/quic_chromium_connection_helper.h"
+#include "net/quic/quic_chromium_packet_reader.h"
+#include "net/quic/quic_chromium_packet_writer.h"
+#include "net/quic/quic_connection.h"
+#include "net/quic/quic_http_utils.h"
+#include "net/quic/spdy_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_connection_peer.h"
+#include "net/quic/test_tools/quic_test_packet_maker.h"
+#include "net/quic/test_tools/quic_test_utils.h"
+#include "net/quic/test_tools/test_task_runner.h"
+#include "net/socket/socket_test_util.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+
+namespace test {
+
+namespace {
+
+const char kUploadData[] = "Really nifty data!";
+const char kDefaultServerHostName[] = "www.google.com";
+const uint16_t kDefaultServerPort = 80;
+// Size of the buffer to be allocated for each read.
+const size_t kReadBufferSize = 4096;
+
+class TestDelegateBase : public BidirectionalStreamJob::Delegate {
+ public:
+  TestDelegateBase(IOBuffer* read_buf, int read_buf_len)
+      : TestDelegateBase(read_buf,
+                         read_buf_len,
+                         make_scoped_ptr(new base::Timer(false, false))) {}
+
+  TestDelegateBase(IOBuffer* read_buf,
+                   int read_buf_len,
+                   scoped_ptr<base::Timer> timer)
+      : read_buf_(read_buf),
+        read_buf_len_(read_buf_len),
+        timer_(std::move(timer)),
+        loop_(nullptr),
+        error_(OK),
+        on_data_read_count_(0),
+        on_data_sent_count_(0),
+        not_expect_callback_(false) {
+    loop_.reset(new base::RunLoop);
+  }
+
+  ~TestDelegateBase() override {}
+
+  void OnHeadersSent() override {
+    CHECK(!not_expect_callback_);
+    loop_->Quit();
+  }
+
+  void OnHeadersReceived(const SpdyHeaderBlock& response_headers) override {
+    CHECK(!not_expect_callback_);
+
+    response_headers_ = response_headers;
+    loop_->Quit();
+  }
+
+  void OnDataRead(int bytes_read) override {
+    CHECK(!not_expect_callback_);
+
+    ++on_data_read_count_;
+    CHECK_GE(bytes_read, OK);
+    data_received_.append(read_buf_->data(), bytes_read);
+    loop_->Quit();
+  }
+
+  void OnDataSent() override {
+    CHECK(!not_expect_callback_);
+
+    ++on_data_sent_count_;
+    loop_->Quit();
+  }
+
+  void OnTrailersReceived(const SpdyHeaderBlock& trailers) override {
+    CHECK(!not_expect_callback_);
+
+    trailers_ = trailers;
+    loop_->Quit();
+  }
+
+  void OnFailed(int error) override {
+    CHECK(!not_expect_callback_);
+    CHECK_EQ(OK, error_);
+    CHECK_NE(OK, error);
+
+    error_ = error;
+    loop_->Quit();
+  }
+
+  void Start(const BidirectionalStreamRequestInfo* request_info,
+             const BoundNetLog& net_log,
+             const base::WeakPtr<QuicChromiumClientSession> session) {
+    stream_job_.reset(new BidirectionalStreamQuicImpl(session));
+    stream_job_->Start(request_info, net_log, this, nullptr);
+  }
+
+  void SendData(IOBuffer* data, int length, bool end_of_stream) {
+    not_expect_callback_ = true;
+    stream_job_->SendData(data, length, end_of_stream);
+    not_expect_callback_ = false;
+  }
+
+  // Waits until next Delegate callback.
+  void WaitUntilNextCallback() {
+    loop_->Run();
+    loop_.reset(new base::RunLoop);
+  }
+
+  // Calls ReadData on the |stream_| and updates |data_received_|.
+  int ReadData() {
+    not_expect_callback_ = true;
+    int rv = stream_job_->ReadData(read_buf_.get(), read_buf_len_);
+    not_expect_callback_ = false;
+    if (rv > 0)
+      data_received_.append(read_buf_->data(), rv);
+    return rv;
+  }
+
+  // Cancels |stream_|.
+  void CancelStream() { stream_job_->Cancel(); }
+
+  NextProto GetProtocol() const { return stream_job_->GetProtocol(); }
+
+  int64_t GetTotalReceivedBytes() const {
+    return stream_job_->GetTotalReceivedBytes();
+  }
+
+  int64_t GetTotalSentBytes() const { return stream_job_->GetTotalSentBytes(); }
+
+  // Const getters for internal states.
+  const std::string& data_received() const { return data_received_; }
+  int error() const { return error_; }
+  const SpdyHeaderBlock& response_headers() const { return response_headers_; }
+  const SpdyHeaderBlock& trailers() const { return trailers_; }
+  int on_data_read_count() const { return on_data_read_count_; }
+  int on_data_sent_count() const { return on_data_sent_count_; }
+
+ protected:
+  // Quits |loop_|.
+  void QuitLoop() { loop_->Quit(); }
+
+  // Deletes |stream_|.
+  void DeleteStream() { stream_job_.reset(); }
+
+ private:
+  scoped_ptr<BidirectionalStreamQuicImpl> stream_job_;
+  scoped_refptr<IOBuffer> read_buf_;
+  int read_buf_len_;
+  scoped_ptr<base::Timer> timer_;
+  std::string data_received_;
+  scoped_ptr<base::RunLoop> loop_;
+  SpdyHeaderBlock response_headers_;
+  SpdyHeaderBlock trailers_;
+  int error_;
+  int on_data_read_count_;
+  int on_data_sent_count_;
+  // This is to ensure that delegate callback is not invoked synchronously when
+  // calling into |stream_|.
+  bool not_expect_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestDelegateBase);
+};
+
+// A delegate that deletes the stream in a particular callback.
+class DeleteStreamDelegate : public TestDelegateBase {
+ public:
+  // Specifies in which callback the stream can be deleted.
+  enum Phase {
+    ON_HEADERS_RECEIVED,
+    ON_DATA_READ,
+    ON_TRAILERS_RECEIVED,
+    ON_FAILED,
+  };
+
+  DeleteStreamDelegate(IOBuffer* buf, int buf_len, Phase phase, bool do_cancel)
+      : TestDelegateBase(buf, buf_len), phase_(phase), do_cancel_(do_cancel) {}
+  ~DeleteStreamDelegate() override {}
+
+  void OnHeadersReceived(const SpdyHeaderBlock& response_headers) override {
+    if (phase_ == ON_HEADERS_RECEIVED) {
+      DeleteStream();
+    }
+    TestDelegateBase::OnHeadersReceived(response_headers);
+  }
+
+  void OnDataSent() override { NOTREACHED(); }
+
+  void OnDataRead(int bytes_read) override {
+    DCHECK_NE(ON_HEADERS_RECEIVED, phase_);
+    if (phase_ == ON_DATA_READ)
+      DeleteStream();
+    TestDelegateBase::OnDataRead(bytes_read);
+  }
+
+  void OnTrailersReceived(const SpdyHeaderBlock& trailers) override {
+    DCHECK_NE(ON_HEADERS_RECEIVED, phase_);
+    DCHECK_NE(ON_DATA_READ, phase_);
+    if (phase_ == ON_TRAILERS_RECEIVED)
+      DeleteStream();
+    TestDelegateBase::OnTrailersReceived(trailers);
+  }
+
+  void OnFailed(int error) override {
+    DCHECK_EQ(ON_FAILED, phase_);
+    DeleteStream();
+    TestDelegateBase::OnFailed(error);
+  }
+
+ private:
+  // Indicates in which callback the delegate should cancel or delete the
+  // stream.
+  Phase phase_;
+  // Indicates whether to cancel or delete the stream.
+  bool do_cancel_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeleteStreamDelegate);
+};
+
+}  // namespace
+
+class BidirectionalStreamQuicImplTest
+    : public ::testing::TestWithParam<QuicVersion> {
+ protected:
+  static const bool kFin = true;
+  static const bool kIncludeVersion = true;
+  static const bool kIncludeCongestionFeedback = true;
+
+  // Holds a packet to be written to the wire, and the IO mode that should
+  // be used by the mock socket when performing the write.
+  struct PacketToWrite {
+    PacketToWrite(IoMode mode, QuicEncryptedPacket* packet)
+        : mode(mode), packet(packet) {}
+    PacketToWrite(IoMode mode, int rv) : mode(mode), packet(nullptr), rv(rv) {}
+    IoMode mode;
+    QuicEncryptedPacket* packet;
+    int rv;
+  };
+
+  BidirectionalStreamQuicImplTest()
+      : net_log_(BoundNetLog()),
+        crypto_config_(CryptoTestUtils::ProofVerifierForTesting()),
+        read_buffer_(new IOBufferWithSize(4096)),
+        connection_id_(2),
+        stream_id_(kClientDataStreamId1),
+        maker_(GetParam(), connection_id_, &clock_, kDefaultServerHostName),
+        random_generator_(0) {
+    IPAddressNumber ip;
+    CHECK(ParseIPLiteralToNumber("192.0.2.33", &ip));
+    peer_addr_ = IPEndPoint(ip, 443);
+    self_addr_ = IPEndPoint(ip, 8435);
+    clock_.AdvanceTime(QuicTime::Delta::FromMilliseconds(20));
+  }
+
+  ~BidirectionalStreamQuicImplTest() {
+    session_->CloseSessionOnError(ERR_ABORTED, QUIC_INTERNAL_ERROR);
+    for (size_t i = 0; i < writes_.size(); i++) {
+      delete writes_[i].packet;
+    }
+  }
+
+  void TearDown() override {
+    EXPECT_TRUE(socket_data_->AllReadDataConsumed());
+    EXPECT_TRUE(socket_data_->AllWriteDataConsumed());
+  }
+
+  // Adds a packet to the list of expected writes.
+  void AddWrite(scoped_ptr<QuicEncryptedPacket> packet) {
+    writes_.push_back(PacketToWrite(SYNCHRONOUS, packet.release()));
+  }
+
+  void ProcessPacket(scoped_ptr<QuicEncryptedPacket> packet) {
+    connection_->ProcessUdpPacket(self_addr_, peer_addr_, *packet);
+  }
+
+  // Configures the test fixture to use the list of expected writes.
+  void Initialize() {
+    mock_writes_.reset(new MockWrite[writes_.size()]);
+    for (size_t i = 0; i < writes_.size(); i++) {
+      if (writes_[i].packet == nullptr) {
+        mock_writes_[i] = MockWrite(writes_[i].mode, writes_[i].rv, i);
+      } else {
+        mock_writes_[i] = MockWrite(writes_[i].mode, writes_[i].packet->data(),
+                                    writes_[i].packet->length());
+      }
+    };
+
+    socket_data_.reset(new StaticSocketDataProvider(
+        nullptr, 0, mock_writes_.get(), writes_.size()));
+
+    MockUDPClientSocket* socket =
+        new MockUDPClientSocket(socket_data_.get(), net_log_.net_log());
+    socket->Connect(peer_addr_);
+    runner_ = new TestTaskRunner(&clock_);
+    helper_.reset(new QuicChromiumConnectionHelper(runner_.get(), &clock_,
+                                                   &random_generator_));
+    connection_ = new QuicConnection(
+        connection_id_, peer_addr_, helper_.get(),
+        new QuicChromiumPacketWriter(socket), true /* owns_writer */,
+        Perspective::IS_CLIENT, SupportedVersions(GetParam()));
+
+    session_.reset(new QuicChromiumClientSession(
+        connection_, scoped_ptr<DatagramClientSocket>(socket),
+        /*stream_factory=*/nullptr, &crypto_client_stream_factory_, &clock_,
+        &transport_security_state_, make_scoped_ptr((QuicServerInfo*)nullptr),
+        QuicServerId(kDefaultServerHostName, kDefaultServerPort,
+                     PRIVACY_MODE_DISABLED),
+        kQuicYieldAfterPacketsRead,
+        QuicTime::Delta::FromMilliseconds(kQuicYieldAfterDurationMilliseconds),
+        /*cert_verify_flags=*/0, DefaultQuicConfig(), &crypto_config_,
+        "CONNECTION_UNKNOWN", base::TimeTicks::Now(), &push_promise_index_,
+        base::ThreadTaskRunnerHandle::Get().get(),
+        /*socket_performance_watcher=*/nullptr, nullptr));
+    session_->Initialize();
+    session_->GetCryptoStream()->CryptoConnect();
+    EXPECT_TRUE(session_->IsCryptoHandshakeConfirmed());
+  }
+
+  void SetRequest(const std::string& method,
+                  const std::string& path,
+                  RequestPriority priority) {
+    request_headers_ = maker_.GetRequestHeaders(method, "http", path);
+  }
+
+  SpdyHeaderBlock ConstructResponseHeaders(const std::string& response_code) {
+    return maker_.GetResponseHeaders(response_code);
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructDataPacket(
+      QuicPacketNumber packet_number,
+      bool should_include_version,
+      bool fin,
+      QuicStreamOffset offset,
+      base::StringPiece data) {
+    scoped_ptr<QuicEncryptedPacket> packet(maker_.MakeDataPacket(
+        packet_number, stream_id_, should_include_version, fin, offset, data));
+    DVLOG(2) << "packet(" << packet_number << "): " << std::endl
+             << QuicUtils::StringToHexASCIIDump(packet->AsStringPiece());
+    return packet;
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructRequestHeadersPacket(
+      QuicPacketNumber packet_number,
+      bool fin,
+      RequestPriority request_priority,
+      size_t* spdy_headers_frame_length) {
+    SpdyPriority priority =
+        ConvertRequestPriorityToQuicPriority(request_priority);
+    return maker_.MakeRequestHeadersPacket(
+        packet_number, stream_id_, kIncludeVersion, fin, priority,
+        request_headers_, spdy_headers_frame_length);
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructResponseHeadersPacket(
+      QuicPacketNumber packet_number,
+      bool fin,
+      const SpdyHeaderBlock& response_headers,
+      size_t* spdy_headers_frame_length,
+      QuicStreamOffset* offset) {
+    return maker_.MakeResponseHeadersPacket(
+        packet_number, stream_id_, !kIncludeVersion, fin, response_headers,
+        spdy_headers_frame_length, offset);
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructResponseTrailersPacket(
+      QuicPacketNumber packet_number,
+      bool fin,
+      const SpdyHeaderBlock& trailers,
+      size_t* spdy_headers_frame_length,
+      QuicStreamOffset* offset) {
+    return maker_.MakeResponseHeadersPacket(packet_number, stream_id_,
+                                            !kIncludeVersion, fin, trailers,
+                                            spdy_headers_frame_length, offset);
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructRstStreamPacket(
+      QuicPacketNumber packet_number) {
+    return ConstructRstStreamCancelledPacket(packet_number, 0);
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructRstStreamCancelledPacket(
+      QuicPacketNumber packet_number,
+      size_t bytes_written) {
+    scoped_ptr<QuicEncryptedPacket> packet(
+        maker_.MakeRstPacket(packet_number, !kIncludeVersion, stream_id_,
+                             QUIC_STREAM_CANCELLED, bytes_written));
+    DVLOG(2) << "packet(" << packet_number << "): " << std::endl
+             << QuicUtils::StringToHexASCIIDump(packet->AsStringPiece());
+    return packet;
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructAckAndRstStreamPacket(
+      QuicPacketNumber packet_number,
+      QuicPacketNumber largest_received,
+      QuicPacketNumber ack_least_unacked,
+      QuicPacketNumber stop_least_unacked) {
+    return maker_.MakeAckAndRstPacket(
+        packet_number, !kIncludeVersion, stream_id_, QUIC_STREAM_CANCELLED,
+        largest_received, ack_least_unacked, stop_least_unacked,
+        !kIncludeCongestionFeedback);
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructAckAndDataPacket(
+      QuicPacketNumber packet_number,
+      bool should_include_version,
+      QuicPacketNumber largest_received,
+      QuicPacketNumber least_unacked,
+      bool fin,
+      QuicStreamOffset offset,
+      base::StringPiece data) {
+    scoped_ptr<QuicEncryptedPacket> packet(maker_.MakeAckAndDataPacket(
+        packet_number, should_include_version, stream_id_, largest_received,
+        least_unacked, fin, offset, data));
+    DVLOG(2) << "packet(" << packet_number << "): " << std::endl
+             << QuicUtils::StringToHexASCIIDump(packet->AsStringPiece());
+    return packet;
+  }
+
+  scoped_ptr<QuicEncryptedPacket> ConstructAckPacket(
+      QuicPacketNumber packet_number,
+      QuicPacketNumber largest_received,
+      QuicPacketNumber least_unacked) {
+    return maker_.MakeAckPacket(packet_number, largest_received, least_unacked,
+                                !kIncludeCongestionFeedback);
+  }
+
+  const BoundNetLog& net_log() const { return net_log_; }
+
+  QuicChromiumClientSession* session() const { return session_.get(); }
+
+ private:
+  BoundNetLog net_log_;
+  scoped_refptr<TestTaskRunner> runner_;
+  scoped_ptr<MockWrite[]> mock_writes_;
+  MockClock clock_;
+  QuicConnection* connection_;
+  scoped_ptr<QuicChromiumConnectionHelper> helper_;
+  TransportSecurityState transport_security_state_;
+  scoped_ptr<QuicChromiumClientSession> session_;
+  QuicCryptoClientConfig crypto_config_;
+  HttpRequestHeaders headers_;
+  HttpResponseInfo response_;
+  scoped_refptr<IOBufferWithSize> read_buffer_;
+  SpdyHeaderBlock request_headers_;
+  const QuicConnectionId connection_id_;
+  const QuicStreamId stream_id_;
+  QuicTestPacketMaker maker_;
+  IPEndPoint self_addr_;
+  IPEndPoint peer_addr_;
+  MockRandom random_generator_;
+  MockCryptoClientStreamFactory crypto_client_stream_factory_;
+  scoped_ptr<StaticSocketDataProvider> socket_data_;
+  std::vector<PacketToWrite> writes_;
+  QuicClientPushPromiseIndex push_promise_index_;
+};
+
+INSTANTIATE_TEST_CASE_P(Version,
+                        BidirectionalStreamQuicImplTest,
+                        ::testing::ValuesIn(QuicSupportedVersions()));
+
+TEST_P(BidirectionalStreamQuicImplTest, GetRequest) {
+  SetRequest("GET", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+
+  AddWrite(ConstructAckPacket(2, 3, 1));
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "GET";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = true;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<TestDelegateBase> delegate(
+      new TestDelegateBase(read_buffer.get(), kReadBufferSize));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+
+  size_t spdy_response_headers_frame_length;
+  QuicStreamOffset offset = 0;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length,
+      &offset));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+  int rv = delegate->ReadData();
+  EXPECT_EQ(ERR_IO_PENDING, rv);
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+  const char kResponseBody[] = "Hello world!";
+  // Server sends data.
+  ProcessPacket(
+      ConstructDataPacket(3, !kIncludeVersion, !kFin, 0, kResponseBody));
+  delegate->WaitUntilNextCallback();  // OnDataRead
+  EXPECT_EQ(std::string(kResponseBody), delegate->data_received());
+
+  SpdyHeaderBlock trailers;
+  size_t spdy_trailers_frame_length;
+  trailers["foo"] = "bar";
+  // Server sends trailers.
+  ProcessPacket(ConstructResponseTrailersPacket(
+      4, kFin, trailers, &spdy_trailers_frame_length, &offset));
+
+  delegate->WaitUntilNextCallback();  // OnTrailersReceived
+  EXPECT_EQ(trailers, delegate->trailers());
+
+  EXPECT_EQ(OK, delegate->ReadData());
+
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(1, delegate->on_data_read_count());
+  EXPECT_EQ(0, delegate->on_data_sent_count());
+  EXPECT_EQ(kProtoQUIC1SPDY3, delegate->GetProtocol());
+  EXPECT_EQ(static_cast<int64_t>(spdy_request_headers_frame_length),
+            delegate->GetTotalSentBytes());
+  EXPECT_EQ(
+      static_cast<int64_t>(spdy_response_headers_frame_length +
+                           strlen(kResponseBody) + spdy_trailers_frame_length),
+      delegate->GetTotalReceivedBytes());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, PostRequest) {
+  SetRequest("POST", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, !kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  AddWrite(ConstructDataPacket(2, kIncludeVersion, kFin, 0, kUploadData));
+  AddWrite(ConstructAckPacket(3, 3, 1));
+
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "POST";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = false;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<TestDelegateBase> delegate(
+      new TestDelegateBase(read_buffer.get(), kReadBufferSize));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Send a DATA frame.
+  scoped_refptr<StringIOBuffer> buf(new StringIOBuffer(kUploadData));
+
+  delegate->SendData(buf.get(), buf->size(), true);
+  delegate->WaitUntilNextCallback();  // OnDataSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+  size_t spdy_response_headers_frame_length;
+  QuicStreamOffset offset = 0;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length,
+      &offset));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+  int rv = delegate->ReadData();
+  EXPECT_EQ(ERR_IO_PENDING, rv);
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+  const char kResponseBody[] = "Hello world!";
+  // Server sends data.
+  ProcessPacket(
+      ConstructDataPacket(3, !kIncludeVersion, !kFin, 0, kResponseBody));
+
+  delegate->WaitUntilNextCallback();  // OnDataReceived
+
+  size_t spdy_trailers_frame_length;
+  SpdyHeaderBlock trailers;
+  trailers["foo"] = "bar";
+  // Server sends trailers.
+  ProcessPacket(ConstructResponseTrailersPacket(
+      4, kFin, trailers, &spdy_trailers_frame_length, &offset));
+
+  delegate->WaitUntilNextCallback();  // OnTrailersReceived
+  EXPECT_EQ(trailers, delegate->trailers());
+
+  EXPECT_EQ(1, delegate->on_data_read_count());
+  EXPECT_EQ(1, delegate->on_data_sent_count());
+  EXPECT_EQ(kProtoQUIC1SPDY3, delegate->GetProtocol());
+  EXPECT_EQ(static_cast<int64_t>(spdy_request_headers_frame_length +
+                                 strlen(kUploadData)),
+            delegate->GetTotalSentBytes());
+  EXPECT_EQ(
+      static_cast<int64_t>(spdy_response_headers_frame_length +
+                           strlen(kResponseBody) + spdy_trailers_frame_length),
+      delegate->GetTotalReceivedBytes());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, InterleaveReadDataAndSendData) {
+  SetRequest("POST", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, !kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  AddWrite(ConstructAckAndDataPacket(2, !kIncludeVersion, 2, 1, !kFin, 0,
+                                     kUploadData));
+  AddWrite(ConstructAckAndDataPacket(3, !kIncludeVersion, 3, 3, kFin,
+                                     strlen(kUploadData), kUploadData));
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "POST";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = false;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<TestDelegateBase> delegate(
+      new TestDelegateBase(read_buffer.get(), kReadBufferSize));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+  size_t spdy_response_headers_frame_length;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length, 0));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+
+  // Client sends a data packet.
+  scoped_refptr<StringIOBuffer> buf(new StringIOBuffer(kUploadData));
+
+  delegate->SendData(buf.get(), buf->size(), false);
+  delegate->WaitUntilNextCallback();  // OnDataSent
+
+  int rv = delegate->ReadData();
+  EXPECT_EQ(ERR_IO_PENDING, rv);
+  const char kResponseBody[] = "Hello world!";
+
+  // Server sends a data packet.
+  ProcessPacket(ConstructAckAndDataPacket(3, !kIncludeVersion, 2, 1, !kFin, 0,
+                                          kResponseBody));
+
+  delegate->WaitUntilNextCallback();  // OnDataRead
+  EXPECT_EQ(std::string(kResponseBody), delegate->data_received());
+
+  // Client sends a data packet.
+  delegate->SendData(buf.get(), buf->size(), true);
+  delegate->WaitUntilNextCallback();  // OnDataSent
+
+  rv = delegate->ReadData();
+  EXPECT_EQ(ERR_IO_PENDING, rv);
+  ProcessPacket(ConstructAckAndDataPacket(
+      4, !kIncludeVersion, 3, 1, kFin, strlen(kResponseBody), kResponseBody));
+
+  delegate->WaitUntilNextCallback();  // OnDataRead
+  std::string expected_body(kResponseBody);
+  expected_body.append(kResponseBody);
+  EXPECT_EQ(expected_body, delegate->data_received());
+
+  EXPECT_EQ(2, delegate->on_data_read_count());
+  EXPECT_EQ(2, delegate->on_data_sent_count());
+  EXPECT_EQ(kProtoQUIC1SPDY3, delegate->GetProtocol());
+  EXPECT_EQ(static_cast<int64_t>(spdy_request_headers_frame_length +
+                                 2 * strlen(kUploadData)),
+            delegate->GetTotalSentBytes());
+  EXPECT_EQ(static_cast<int64_t>(spdy_response_headers_frame_length +
+                                 2 * strlen(kResponseBody)),
+            delegate->GetTotalReceivedBytes());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, ServerSendsRstAfterHeaders) {
+  SetRequest("GET", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "GET";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = true;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<TestDelegateBase> delegate(
+      new TestDelegateBase(read_buffer.get(), kReadBufferSize));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server sends a Rst.
+  ProcessPacket(ConstructRstStreamPacket(1));
+
+  delegate->WaitUntilNextCallback();  // OnFailed
+
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(ERR_QUIC_PROTOCOL_ERROR, delegate->error());
+  EXPECT_EQ(0, delegate->on_data_read_count());
+  EXPECT_EQ(0, delegate->on_data_sent_count());
+  EXPECT_EQ(static_cast<int64_t>(spdy_request_headers_frame_length),
+            delegate->GetTotalSentBytes());
+  EXPECT_EQ(0, delegate->GetTotalReceivedBytes());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, ServerSendsRstAfterReadData) {
+  SetRequest("GET", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  // Why does QUIC ack Rst? Is this expected?
+  AddWrite(ConstructAckPacket(2, 3, 1));
+
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "GET";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = true;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<TestDelegateBase> delegate(
+      new TestDelegateBase(read_buffer.get(), kReadBufferSize));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+
+  size_t spdy_response_headers_frame_length;
+  QuicStreamOffset offset = 0;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length,
+      &offset));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+
+  int rv = delegate->ReadData();
+  EXPECT_EQ(ERR_IO_PENDING, rv);
+
+  // Server sends a Rst.
+  ProcessPacket(ConstructRstStreamPacket(3));
+
+  delegate->WaitUntilNextCallback();  // OnFailed
+
+  EXPECT_EQ(ERR_QUIC_PROTOCOL_ERROR, delegate->error());
+  EXPECT_EQ(0, delegate->on_data_read_count());
+  EXPECT_EQ(0, delegate->on_data_sent_count());
+  EXPECT_EQ(static_cast<int64_t>(spdy_request_headers_frame_length),
+            delegate->GetTotalSentBytes());
+  EXPECT_EQ(static_cast<int64_t>(spdy_response_headers_frame_length),
+            delegate->GetTotalReceivedBytes());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, CancelStreamAfterSendData) {
+  SetRequest("POST", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, !kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  AddWrite(ConstructAckAndDataPacket(2, !kIncludeVersion, 2, 1, !kFin, 0,
+                                     kUploadData));
+  AddWrite(ConstructRstStreamCancelledPacket(3, strlen(kUploadData)));
+
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "POST";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = false;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<TestDelegateBase> delegate(
+      new TestDelegateBase(read_buffer.get(), kReadBufferSize));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+  size_t spdy_response_headers_frame_length;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length, 0));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+
+  // Send a DATA frame.
+  scoped_refptr<StringIOBuffer> buf(new StringIOBuffer(kUploadData));
+
+  delegate->SendData(buf.get(), buf->size(), false);
+  delegate->WaitUntilNextCallback();  // OnDataSent
+
+  delegate->CancelStream();
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(0, delegate->on_data_read_count());
+  EXPECT_EQ(1, delegate->on_data_sent_count());
+  EXPECT_EQ(kProtoQUIC1SPDY3, delegate->GetProtocol());
+  EXPECT_EQ(static_cast<int64_t>(spdy_request_headers_frame_length +
+                                 strlen(kUploadData)),
+            delegate->GetTotalSentBytes());
+  EXPECT_EQ(static_cast<int64_t>(spdy_response_headers_frame_length),
+            delegate->GetTotalReceivedBytes());
+}
+TEST_P(BidirectionalStreamQuicImplTest, SessionClosedBeforeReadData) {
+  SetRequest("GET", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "GET";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = true;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<TestDelegateBase> delegate(
+      new TestDelegateBase(read_buffer.get(), kReadBufferSize));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+
+  size_t spdy_response_headers_frame_length;
+  QuicStreamOffset offset = 0;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length,
+      &offset));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+  int rv = delegate->ReadData();
+  EXPECT_EQ(ERR_IO_PENDING, rv);
+  session()->connection()->CloseConnection(QUIC_NO_ERROR,
+                                           ConnectionCloseSource::FROM_PEER);
+  delegate->WaitUntilNextCallback();  // OnFailed
+
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(ERR_UNEXPECTED, delegate->error());
+  EXPECT_EQ(0, delegate->on_data_read_count());
+  EXPECT_EQ(0, delegate->on_data_sent_count());
+  EXPECT_EQ(kProtoQUIC1SPDY3, delegate->GetProtocol());
+  EXPECT_EQ(static_cast<int64_t>(spdy_request_headers_frame_length),
+            delegate->GetTotalSentBytes());
+  EXPECT_EQ(static_cast<int64_t>(spdy_response_headers_frame_length),
+            delegate->GetTotalReceivedBytes());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, CancelStreamAfterReadData) {
+  SetRequest("POST", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, !kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  AddWrite(ConstructAckAndRstStreamPacket(2, 2, 1, 1));
+
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "POST";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = false;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<TestDelegateBase> delegate(
+      new TestDelegateBase(read_buffer.get(), kReadBufferSize));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+  size_t spdy_response_headers_frame_length;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length, 0));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+
+  // Cancel the stream after ReadData returns ERR_IO_PENDING.
+  EXPECT_EQ(ERR_IO_PENDING, delegate->ReadData());
+  delegate->CancelStream();
+
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(0, delegate->on_data_read_count());
+  EXPECT_EQ(0, delegate->on_data_sent_count());
+  EXPECT_EQ(kProtoQUIC1SPDY3, delegate->GetProtocol());
+  EXPECT_EQ(static_cast<int64_t>(spdy_request_headers_frame_length),
+            delegate->GetTotalSentBytes());
+  EXPECT_EQ(static_cast<int64_t>(spdy_response_headers_frame_length),
+            delegate->GetTotalReceivedBytes());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, DeleteStreamDuringOnHeadersReceived) {
+  SetRequest("POST", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, !kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  AddWrite(ConstructAckAndRstStreamPacket(2, 2, 1, 1));
+
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "POST";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = false;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<DeleteStreamDelegate> delegate(new DeleteStreamDelegate(
+      read_buffer.get(), kReadBufferSize,
+      DeleteStreamDelegate::ON_HEADERS_RECEIVED, true));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+
+  size_t spdy_response_headers_frame_length;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length,
+      nullptr));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(0, delegate->on_data_read_count());
+  EXPECT_EQ(0, delegate->on_data_sent_count());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, DeleteStreamDuringOnDataRead) {
+  SetRequest("POST", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, !kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  AddWrite(ConstructAckPacket(2, 3, 1));
+  AddWrite(ConstructRstStreamPacket(3));
+
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "POST";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = false;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<DeleteStreamDelegate> delegate(
+      new DeleteStreamDelegate(read_buffer.get(), kReadBufferSize,
+                               DeleteStreamDelegate::ON_DATA_READ, true));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+
+  size_t spdy_response_headers_frame_length;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length,
+      nullptr));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+
+  int rv = delegate->ReadData();
+  EXPECT_EQ(ERR_IO_PENDING, rv);
+  const char kResponseBody[] = "Hello world!";
+  // Server sends data.
+  ProcessPacket(
+      ConstructDataPacket(3, !kIncludeVersion, !kFin, 0, kResponseBody));
+  delegate->WaitUntilNextCallback();  // OnDataRead
+
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(1, delegate->on_data_read_count());
+  EXPECT_EQ(0, delegate->on_data_sent_count());
+}
+
+TEST_P(BidirectionalStreamQuicImplTest, DeleteStreamDuringOnTrailersReceived) {
+  SetRequest("GET", "/", DEFAULT_PRIORITY);
+  size_t spdy_request_headers_frame_length;
+  AddWrite(ConstructRequestHeadersPacket(1, kFin, DEFAULT_PRIORITY,
+                                         &spdy_request_headers_frame_length));
+  AddWrite(ConstructAckPacket(2, 3, 1));  // Ack the data packet
+
+  Initialize();
+
+  BidirectionalStreamRequestInfo request;
+  request.method = "GET";
+  request.url = GURL("http://www.google.com/");
+  request.end_stream_on_headers = true;
+  request.priority = DEFAULT_PRIORITY;
+
+  scoped_refptr<IOBuffer> read_buffer(new IOBuffer(kReadBufferSize));
+  scoped_ptr<DeleteStreamDelegate> delegate(new DeleteStreamDelegate(
+      read_buffer.get(), kReadBufferSize,
+      DeleteStreamDelegate::ON_TRAILERS_RECEIVED, true));
+  delegate->Start(&request, net_log(), session()->GetWeakPtr());
+  delegate->WaitUntilNextCallback();  // OnHeadersSent
+
+  // Server acks the request.
+  ProcessPacket(ConstructAckPacket(1, 0, 0));
+
+  // Server sends the response headers.
+  SpdyHeaderBlock response_headers = ConstructResponseHeaders("200");
+
+  QuicStreamOffset offset = 0;
+  size_t spdy_response_headers_frame_length;
+  ProcessPacket(ConstructResponseHeadersPacket(
+      2, !kFin, response_headers, &spdy_response_headers_frame_length,
+      &offset));
+
+  delegate->WaitUntilNextCallback();  // OnHeadersReceived
+
+  EXPECT_EQ("200", delegate->response_headers().find(":status")->second);
+
+  int rv = delegate->ReadData();
+  EXPECT_EQ(ERR_IO_PENDING, rv);
+  const char kResponseBody[] = "Hello world!";
+  // Server sends data.
+  ProcessPacket(
+      ConstructDataPacket(3, !kIncludeVersion, !kFin, 0, kResponseBody));
+
+  delegate->WaitUntilNextCallback();  // OnDataRead
+  EXPECT_EQ(std::string(kResponseBody), delegate->data_received());
+
+  size_t spdy_trailers_frame_length;
+  SpdyHeaderBlock trailers;
+  trailers["foo"] = "bar";
+  // Server sends trailers.
+  ProcessPacket(ConstructResponseTrailersPacket(
+      4, kFin, trailers, &spdy_trailers_frame_length, &offset));
+
+  delegate->WaitUntilNextCallback();  // OnTrailersReceived
+  EXPECT_EQ(trailers, delegate->trailers());
+
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(1, delegate->on_data_read_count());
+  EXPECT_EQ(0, delegate->on_data_sent_count());
+}
+
+}  // namespace test
+
+}  // namespace net