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1 // Copyright 2012 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "net/quic/quic_chromium_client_stream.h"
6 
7 #include <string>
8 
9 #include "base/functional/bind.h"
10 #include "base/functional/callback_helpers.h"
11 #include "base/memory/ptr_util.h"
12 #include "base/memory/raw_ptr.h"
13 #include "base/run_loop.h"
14 #include "base/strings/string_number_conversions.h"
15 #include "net/base/io_buffer.h"
16 #include "net/base/net_errors.h"
17 #include "net/base/test_completion_callback.h"
18 #include "net/quic/quic_chromium_client_session.h"
19 #include "net/quic/quic_context.h"
20 #include "net/test/gtest_util.h"
21 #include "net/test/test_with_task_environment.h"
22 #include "net/third_party/quiche/src/quiche/quic/core/http/quic_spdy_client_session_base.h"
23 #include "net/third_party/quiche/src/quiche/quic/core/http/quic_spdy_client_stream.h"
24 #include "net/third_party/quiche/src/quiche/quic/core/http/spdy_utils.h"
25 #include "net/third_party/quiche/src/quiche/quic/core/quic_utils.h"
26 #include "net/third_party/quiche/src/quiche/quic/test_tools/crypto_test_utils.h"
27 #include "net/third_party/quiche/src/quiche/quic/test_tools/quic_config_peer.h"
28 #include "net/third_party/quiche/src/quiche/quic/test_tools/quic_connection_peer.h"
29 #include "net/third_party/quiche/src/quiche/quic/test_tools/quic_spdy_session_peer.h"
30 #include "net/third_party/quiche/src/quiche/quic/test_tools/quic_test_utils.h"
31 #include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
32 #include "testing/gmock/include/gmock/gmock.h"
33 
34 using testing::_;
35 using testing::Return;
36 
37 namespace net::test {
38 namespace {
39 
40 class MockQuicClientSessionBase : public quic::QuicSpdyClientSessionBase {
41  public:
42   explicit MockQuicClientSessionBase(quic::QuicConnection* connection);
43 
44   MockQuicClientSessionBase(const MockQuicClientSessionBase&) = delete;
45   MockQuicClientSessionBase& operator=(const MockQuicClientSessionBase&) =
46       delete;
47 
48   ~MockQuicClientSessionBase() override;
49 
GetCryptoStream() const50   const quic::QuicCryptoStream* GetCryptoStream() const override {
51     return crypto_stream_.get();
52   }
53 
GetMutableCryptoStream()54   quic::QuicCryptoStream* GetMutableCryptoStream() override {
55     return crypto_stream_.get();
56   }
57 
58   // From quic::QuicSession.
59   MOCK_METHOD2(OnConnectionClosed,
60                void(const quic::QuicConnectionCloseFrame& frame,
61                     quic::ConnectionCloseSource source));
62   MOCK_METHOD1(CreateIncomingStream,
63                quic::QuicSpdyStream*(quic::QuicStreamId id));
64   MOCK_METHOD1(CreateIncomingStream,
65                quic::QuicSpdyStream*(quic::PendingStream* pending));
66   MOCK_METHOD0(CreateOutgoingBidirectionalStream, QuicChromiumClientStream*());
67   MOCK_METHOD0(CreateOutgoingUnidirectionalStream, QuicChromiumClientStream*());
68   MOCK_METHOD6(WritevData,
69                quic::QuicConsumedData(quic::QuicStreamId id,
70                                       size_t write_length,
71                                       quic::QuicStreamOffset offset,
72                                       quic::StreamSendingState state,
73                                       quic::TransmissionType type,
74                                       quic::EncryptionLevel level));
75   MOCK_METHOD2(WriteControlFrame,
76                bool(const quic::QuicFrame&, quic::TransmissionType));
77   MOCK_METHOD4(SendRstStream,
78                void(quic::QuicStreamId stream_id,
79                     quic::QuicRstStreamErrorCode error,
80                     quic::QuicStreamOffset bytes_written,
81                     bool send_rst_only));
82 
83   MOCK_METHOD2(OnStreamHeaders,
84                void(quic::QuicStreamId stream_id,
85                     std::string_view headers_data));
86   MOCK_METHOD2(OnStreamHeadersPriority,
87                void(quic::QuicStreamId stream_id,
88                     const spdy::SpdyStreamPrecedence& precedence));
89   MOCK_METHOD3(OnStreamHeadersComplete,
90                void(quic::QuicStreamId stream_id, bool fin, size_t frame_len));
91   MOCK_CONST_METHOD0(OneRttKeysAvailable, bool());
92   // Methods taking non-copyable types like spdy::Http2HeaderBlock by value
93   // cannot be mocked directly.
WriteHeadersOnHeadersStream(quic::QuicStreamId id,spdy::Http2HeaderBlock headers,bool fin,const spdy::SpdyStreamPrecedence & precedence,quiche::QuicheReferenceCountedPointer<quic::QuicAckListenerInterface> ack_listener)94   size_t WriteHeadersOnHeadersStream(
95       quic::QuicStreamId id,
96       spdy::Http2HeaderBlock headers,
97       bool fin,
98       const spdy::SpdyStreamPrecedence& precedence,
99       quiche::QuicheReferenceCountedPointer<quic::QuicAckListenerInterface>
100           ack_listener) override {
101     return WriteHeadersOnHeadersStreamMock(id, headers, fin, precedence,
102                                            std::move(ack_listener));
103   }
104   MOCK_METHOD5(WriteHeadersOnHeadersStreamMock,
105                size_t(quic::QuicStreamId id,
106                       const spdy::Http2HeaderBlock& headers,
107                       bool fin,
108                       const spdy::SpdyStreamPrecedence& precedence,
109                       const quiche::QuicheReferenceCountedPointer<
110                           quic::QuicAckListenerInterface>& ack_listener));
111   MOCK_METHOD1(OnHeadersHeadOfLineBlocking, void(quic::QuicTime::Delta delta));
112 
113   using quic::QuicSession::ActivateStream;
114 
115   // Returns a quic::QuicConsumedData that indicates all of |write_length| (and
116   // |fin| if set) has been consumed.
117   static quic::QuicConsumedData ConsumeAllData(
118       quic::QuicStreamId id,
119       size_t write_length,
120       quic::QuicStreamOffset offset,
121       bool fin,
122       quic::QuicAckListenerInterface* ack_listener);
123 
OnProofValid(const quic::QuicCryptoClientConfig::CachedState & cached)124   void OnProofValid(
125       const quic::QuicCryptoClientConfig::CachedState& cached) override {}
OnProofVerifyDetailsAvailable(const quic::ProofVerifyDetails & verify_details)126   void OnProofVerifyDetailsAvailable(
127       const quic::ProofVerifyDetails& verify_details) override {}
128 
129  protected:
130   MOCK_METHOD1(ShouldCreateIncomingStream, bool(quic::QuicStreamId id));
131   MOCK_METHOD0(ShouldCreateOutgoingBidirectionalStream, bool());
132   MOCK_METHOD0(ShouldCreateOutgoingUnidirectionalStream, bool());
133 
134  private:
135   std::unique_ptr<quic::QuicCryptoStream> crypto_stream_;
136 };
137 
MockQuicClientSessionBase(quic::QuicConnection * connection)138 MockQuicClientSessionBase::MockQuicClientSessionBase(
139     quic::QuicConnection* connection)
140     : quic::QuicSpdyClientSessionBase(connection,
141                                       /*visitor=*/nullptr,
142                                       quic::test::DefaultQuicConfig(),
143                                       connection->supported_versions()) {
144   crypto_stream_ = std::make_unique<quic::test::MockQuicCryptoStream>(this);
145   Initialize();
146   ON_CALL(*this, WritevData(_, _, _, _, _, _))
147       .WillByDefault(testing::Return(quic::QuicConsumedData(0, false)));
148 }
149 
150 MockQuicClientSessionBase::~MockQuicClientSessionBase() = default;
151 
152 class QuicChromiumClientStreamTest
153     : public ::testing::TestWithParam<quic::ParsedQuicVersion>,
154       public WithTaskEnvironment {
155  public:
QuicChromiumClientStreamTest()156   QuicChromiumClientStreamTest()
157       : version_(GetParam()),
158         crypto_config_(
159             quic::test::crypto_test_utils::ProofVerifierForTesting()),
160         session_(new quic::test::MockQuicConnection(
161             &helper_,
162             &alarm_factory_,
163             quic::Perspective::IS_CLIENT,
164             quic::test::SupportedVersions(version_))) {
165     quic::test::QuicConfigPeer::SetReceivedInitialSessionFlowControlWindow(
166         session_.config(), quic::kMinimumFlowControlSendWindow);
167     quic::test::QuicConfigPeer::
168         SetReceivedInitialMaxStreamDataBytesOutgoingBidirectional(
169             session_.config(), quic::kMinimumFlowControlSendWindow);
170     quic::test::QuicConfigPeer::SetReceivedMaxUnidirectionalStreams(
171         session_.config(), 10);
172     session_.OnConfigNegotiated();
173     stream_ = new QuicChromiumClientStream(
174         quic::test::GetNthClientInitiatedBidirectionalStreamId(
175             version_.transport_version, 0),
176         &session_, quic::BIDIRECTIONAL, NetLogWithSource(),
177         TRAFFIC_ANNOTATION_FOR_TESTS);
178     session_.ActivateStream(base::WrapUnique(stream_.get()));
179     handle_ = stream_->CreateHandle();
180     helper_.AdvanceTime(quic::QuicTime::Delta::FromSeconds(1));
181     session_.connection()->SetEncrypter(
182         quic::ENCRYPTION_FORWARD_SECURE,
183         std::make_unique<quic::test::TaggingEncrypter>(
184             quic::ENCRYPTION_FORWARD_SECURE));
185   }
186 
InitializeHeaders()187   void InitializeHeaders() {
188     headers_[":host"] = "www.google.com";
189     headers_[":path"] = "/index.hml";
190     headers_[":scheme"] = "https";
191     headers_[":status"] = "200";
192     headers_["cookie"] =
193         "__utma=208381060.1228362404.1372200928.1372200928.1372200928.1; "
194         "__utmc=160408618; "
195         "GX=DQAAAOEAAACWJYdewdE9rIrW6qw3PtVi2-d729qaa-74KqOsM1NVQblK4VhX"
196         "hoALMsy6HOdDad2Sz0flUByv7etmo3mLMidGrBoljqO9hSVA40SLqpG_iuKKSHX"
197         "RW3Np4bq0F0SDGDNsW0DSmTS9ufMRrlpARJDS7qAI6M3bghqJp4eABKZiRqebHT"
198         "pMU-RXvTI5D5oCF1vYxYofH_l1Kviuiy3oQ1kS1enqWgbhJ2t61_SNdv-1XJIS0"
199         "O3YeHLmVCs62O6zp89QwakfAWK9d3IDQvVSJzCQsvxvNIvaZFa567MawWlXg0Rh"
200         "1zFMi5vzcns38-8_Sns; "
201         "GA=v*2%2Fmem*57968640*47239936%2Fmem*57968640*47114716%2Fno-nm-"
202         "yj*15%2Fno-cc-yj*5%2Fpc-ch*133685%2Fpc-s-cr*133947%2Fpc-s-t*1339"
203         "47%2Fno-nm-yj*4%2Fno-cc-yj*1%2Fceft-as*1%2Fceft-nqas*0%2Fad-ra-c"
204         "v_p%2Fad-nr-cv_p-f*1%2Fad-v-cv_p*859%2Fad-ns-cv_p-f*1%2Ffn-v-ad%"
205         "2Fpc-t*250%2Fpc-cm*461%2Fpc-s-cr*722%2Fpc-s-t*722%2Fau_p*4"
206         "SICAID=AJKiYcHdKgxum7KMXG0ei2t1-W4OD1uW-ecNsCqC0wDuAXiDGIcT_HA2o1"
207         "3Rs1UKCuBAF9g8rWNOFbxt8PSNSHFuIhOo2t6bJAVpCsMU5Laa6lewuTMYI8MzdQP"
208         "ARHKyW-koxuhMZHUnGBJAM1gJODe0cATO_KGoX4pbbFxxJ5IicRxOrWK_5rU3cdy6"
209         "edlR9FsEdH6iujMcHkbE5l18ehJDwTWmBKBzVD87naobhMMrF6VvnDGxQVGp9Ir_b"
210         "Rgj3RWUoPumQVCxtSOBdX0GlJOEcDTNCzQIm9BSfetog_eP_TfYubKudt5eMsXmN6"
211         "QnyXHeGeK2UINUzJ-D30AFcpqYgH9_1BvYSpi7fc7_ydBU8TaD8ZRxvtnzXqj0RfG"
212         "tuHghmv3aD-uzSYJ75XDdzKdizZ86IG6Fbn1XFhYZM-fbHhm3mVEXnyRW4ZuNOLFk"
213         "Fas6LMcVC6Q8QLlHYbXBpdNFuGbuZGUnav5C-2I_-46lL0NGg3GewxGKGHvHEfoyn"
214         "EFFlEYHsBQ98rXImL8ySDycdLEFvBPdtctPmWCfTxwmoSMLHU2SCVDhbqMWU5b0yr"
215         "JBCScs_ejbKaqBDoB7ZGxTvqlrB__2ZmnHHjCr8RgMRtKNtIeuZAo ";
216   }
217 
CreateResponseHeaders(const std::string & status_code)218   spdy::Http2HeaderBlock CreateResponseHeaders(const std::string& status_code) {
219     spdy::Http2HeaderBlock headers;
220     headers[":status"] = status_code;
221     return headers;
222   }
223 
ReadData(std::string_view expected_data)224   void ReadData(std::string_view expected_data) {
225     auto buffer =
226         base::MakeRefCounted<IOBufferWithSize>(expected_data.length() + 1);
227     EXPECT_EQ(static_cast<int>(expected_data.length()),
228               stream_->Read(buffer.get(), expected_data.length() + 1));
229     EXPECT_EQ(expected_data,
230               std::string_view(buffer->data(), expected_data.length()));
231   }
232 
ProcessHeaders(const spdy::Http2HeaderBlock & headers)233   quic::QuicHeaderList ProcessHeaders(const spdy::Http2HeaderBlock& headers) {
234     quic::QuicHeaderList h = quic::test::AsHeaderList(headers);
235     stream_->OnStreamHeaderList(false, h.uncompressed_header_bytes(), h);
236     return h;
237   }
238 
ProcessTrailers(const spdy::Http2HeaderBlock & headers)239   quic::QuicHeaderList ProcessTrailers(const spdy::Http2HeaderBlock& headers) {
240     quic::QuicHeaderList h = quic::test::AsHeaderList(headers);
241     stream_->OnStreamHeaderList(true, h.uncompressed_header_bytes(), h);
242     return h;
243   }
244 
ProcessHeadersFull(const spdy::Http2HeaderBlock & headers)245   quic::QuicHeaderList ProcessHeadersFull(
246       const spdy::Http2HeaderBlock& headers) {
247     quic::QuicHeaderList h = ProcessHeaders(headers);
248     TestCompletionCallback callback;
249     EXPECT_EQ(static_cast<int>(h.uncompressed_header_bytes()),
250               handle_->ReadInitialHeaders(&headers_, callback.callback()));
251     EXPECT_EQ(headers, headers_);
252     EXPECT_TRUE(stream_->header_list().empty());
253     return h;
254   }
255 
GetNthClientInitiatedBidirectionalStreamId(int n)256   quic::QuicStreamId GetNthClientInitiatedBidirectionalStreamId(int n) {
257     return quic::test::GetNthClientInitiatedBidirectionalStreamId(
258         session_.connection()->transport_version(), n);
259   }
260 
GetNthServerInitiatedUnidirectionalStreamId(int n)261   quic::QuicStreamId GetNthServerInitiatedUnidirectionalStreamId(int n) {
262     return quic::test::GetNthServerInitiatedUnidirectionalStreamId(
263         session_.connection()->transport_version(), n);
264   }
265 
ResetStreamCallback(QuicChromiumClientStream * stream,int)266   void ResetStreamCallback(QuicChromiumClientStream* stream, int /*rv*/) {
267     stream->Reset(quic::QUIC_STREAM_CANCELLED);
268   }
269 
ConstructDataHeader(size_t body_len)270   std::string ConstructDataHeader(size_t body_len) {
271     quiche::QuicheBuffer buffer = quic::HttpEncoder::SerializeDataFrameHeader(
272         body_len, quiche::SimpleBufferAllocator::Get());
273     return std::string(buffer.data(), buffer.size());
274   }
275 
276   const quic::ParsedQuicVersion version_;
277   quic::QuicCryptoClientConfig crypto_config_;
278   std::unique_ptr<QuicChromiumClientStream::Handle> handle_;
279   std::unique_ptr<QuicChromiumClientStream::Handle> handle2_;
280   quic::test::MockQuicConnectionHelper helper_;
281   quic::test::MockAlarmFactory alarm_factory_;
282   MockQuicClientSessionBase session_;
283   raw_ptr<QuicChromiumClientStream> stream_;
284   spdy::Http2HeaderBlock headers_;
285   spdy::Http2HeaderBlock trailers_;
286 };
287 
288 INSTANTIATE_TEST_SUITE_P(Version,
289                          QuicChromiumClientStreamTest,
290                          ::testing::ValuesIn(AllSupportedQuicVersions()),
291                          ::testing::PrintToStringParamName());
292 
TEST_P(QuicChromiumClientStreamTest,Handle)293 TEST_P(QuicChromiumClientStreamTest, Handle) {
294   testing::InSequence seq;
295   EXPECT_TRUE(handle_->IsOpen());
296   EXPECT_EQ(quic::test::GetNthClientInitiatedBidirectionalStreamId(
297                 version_.transport_version, 0),
298             handle_->id());
299   EXPECT_EQ(quic::QUIC_NO_ERROR, handle_->connection_error());
300   EXPECT_EQ(quic::QUIC_STREAM_NO_ERROR, handle_->stream_error());
301   EXPECT_TRUE(handle_->IsFirstStream());
302   EXPECT_FALSE(handle_->IsDoneReading());
303   EXPECT_FALSE(handle_->fin_sent());
304   EXPECT_FALSE(handle_->fin_received());
305   EXPECT_EQ(0u, handle_->stream_bytes_read());
306   EXPECT_EQ(0u, handle_->stream_bytes_written());
307   EXPECT_EQ(0u, handle_->NumBytesConsumed());
308 
309   InitializeHeaders();
310   quic::QuicStreamOffset offset = 0;
311   ProcessHeadersFull(headers_);
312   quic::QuicStreamFrame frame2(
313       quic::test::GetNthClientInitiatedBidirectionalStreamId(
314           version_.transport_version, 0),
315       true, offset, std::string_view());
316   stream_->OnStreamFrame(frame2);
317   EXPECT_TRUE(handle_->fin_received());
318   handle_->OnFinRead();
319 
320   const char kData1[] = "hello world";
321   const size_t kDataLen = std::size(kData1);
322 
323   // All data written.
324   std::string header = ConstructDataHeader(kDataLen);
325   EXPECT_CALL(session_,
326               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
327       .WillOnce(Return(quic::QuicConsumedData(header.length(), false)));
328   EXPECT_CALL(session_,
329               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
330       .WillOnce(Return(quic::QuicConsumedData(kDataLen, true)));
331   TestCompletionCallback callback;
332   EXPECT_EQ(OK, handle_->WriteStreamData(base::StringPiece(kData1, kDataLen),
333                                          true, callback.callback()));
334 
335   EXPECT_FALSE(handle_->IsOpen());
336   EXPECT_EQ(quic::test::GetNthClientInitiatedBidirectionalStreamId(
337                 version_.transport_version, 0),
338             handle_->id());
339   EXPECT_EQ(quic::QUIC_NO_ERROR, handle_->connection_error());
340   EXPECT_EQ(quic::QUIC_STREAM_NO_ERROR, handle_->stream_error());
341   EXPECT_TRUE(handle_->IsFirstStream());
342   EXPECT_TRUE(handle_->IsDoneReading());
343   EXPECT_TRUE(handle_->fin_sent());
344   EXPECT_TRUE(handle_->fin_received());
345   EXPECT_EQ(0u, handle_->stream_bytes_read());
346   EXPECT_EQ(header.length() + kDataLen, handle_->stream_bytes_written());
347   EXPECT_EQ(0u, handle_->NumBytesConsumed());
348 
349   EXPECT_EQ(ERR_CONNECTION_CLOSED,
350             handle_->WriteStreamData(base::StringPiece(kData1, kDataLen), true,
351                                      callback.callback()));
352 
353   std::vector<scoped_refptr<IOBuffer>> buffers = {
354       base::MakeRefCounted<IOBufferWithSize>(10)};
355   std::vector<int> lengths = {10};
356   EXPECT_EQ(
357       ERR_CONNECTION_CLOSED,
358       handle_->WritevStreamData(buffers, lengths, true, callback.callback()));
359 
360   spdy::Http2HeaderBlock headers;
361   EXPECT_EQ(0, handle_->WriteHeaders(std::move(headers), true, nullptr));
362 }
363 
TEST_P(QuicChromiumClientStreamTest,HandleAfterConnectionClose)364 TEST_P(QuicChromiumClientStreamTest, HandleAfterConnectionClose) {
365   quic::test::QuicConnectionPeer::TearDownLocalConnectionState(
366       session_.connection());
367   stream_->OnConnectionClosed(quic::QUIC_INVALID_FRAME_DATA,
368                               quic::ConnectionCloseSource::FROM_PEER);
369 
370   EXPECT_FALSE(handle_->IsOpen());
371   EXPECT_EQ(quic::QUIC_INVALID_FRAME_DATA, handle_->connection_error());
372 }
373 
TEST_P(QuicChromiumClientStreamTest,HandleAfterStreamReset)374 TEST_P(QuicChromiumClientStreamTest, HandleAfterStreamReset) {
375   // Make a STOP_SENDING frame and pass it to QUIC. We need both a REST_STREAM
376   // and a STOP_SENDING to effect a closed stream.
377   quic::QuicStopSendingFrame stop_sending_frame(
378       quic::kInvalidControlFrameId,
379       quic::test::GetNthClientInitiatedBidirectionalStreamId(
380           version_.transport_version, 0),
381       quic::QUIC_STREAM_CANCELLED);
382   session_.OnStopSendingFrame(stop_sending_frame);
383 
384   // Verify that the Handle still behaves correctly after the stream is reset.
385   quic::QuicRstStreamFrame rst(
386       quic::kInvalidControlFrameId,
387       quic::test::GetNthClientInitiatedBidirectionalStreamId(
388           version_.transport_version, 0),
389       quic::QUIC_STREAM_CANCELLED, 0);
390 
391   stream_->OnStreamReset(rst);
392   EXPECT_FALSE(handle_->IsOpen());
393   EXPECT_EQ(quic::QUIC_STREAM_CANCELLED, handle_->stream_error());
394 }
395 
TEST_P(QuicChromiumClientStreamTest,OnFinRead)396 TEST_P(QuicChromiumClientStreamTest, OnFinRead) {
397   InitializeHeaders();
398   quic::QuicStreamOffset offset = 0;
399   ProcessHeadersFull(headers_);
400   quic::QuicStreamFrame frame2(
401       quic::test::GetNthClientInitiatedBidirectionalStreamId(
402           version_.transport_version, 0),
403       true, offset, std::string_view());
404   stream_->OnStreamFrame(frame2);
405 }
406 
TEST_P(QuicChromiumClientStreamTest,OnDataAvailable)407 TEST_P(QuicChromiumClientStreamTest, OnDataAvailable) {
408   InitializeHeaders();
409   ProcessHeadersFull(headers_);
410 
411   const char data[] = "hello world!";
412   int data_len = strlen(data);
413   size_t offset = 0;
414   std::string header = ConstructDataHeader(data_len);
415   stream_->OnStreamFrame(quic::QuicStreamFrame(
416       quic::test::GetNthClientInitiatedBidirectionalStreamId(
417           version_.transport_version, 0),
418       /*fin=*/false,
419       /*offset=*/offset, header));
420   offset += header.length();
421   stream_->OnStreamFrame(quic::QuicStreamFrame(
422       quic::test::GetNthClientInitiatedBidirectionalStreamId(
423           version_.transport_version, 0),
424       /*fin=*/false,
425       /*offset=*/offset, data));
426 
427   // Read the body and verify that it arrives correctly.
428   TestCompletionCallback callback;
429   auto buffer = base::MakeRefCounted<IOBufferWithSize>(2 * data_len);
430   EXPECT_EQ(data_len,
431             handle_->ReadBody(buffer.get(), 2 * data_len, callback.callback()));
432   EXPECT_EQ(std::string_view(data), std::string_view(buffer->data(), data_len));
433 }
434 
TEST_P(QuicChromiumClientStreamTest,OnDataAvailableAfterReadBody)435 TEST_P(QuicChromiumClientStreamTest, OnDataAvailableAfterReadBody) {
436   InitializeHeaders();
437   ProcessHeadersFull(headers_);
438 
439   const char data[] = "hello world!";
440   int data_len = strlen(data);
441 
442   // Start to read the body.
443   TestCompletionCallback callback;
444   auto buffer = base::MakeRefCounted<IOBufferWithSize>(2 * data_len);
445   EXPECT_EQ(ERR_IO_PENDING,
446             handle_->ReadBody(buffer.get(), 2 * data_len, callback.callback()));
447 
448   size_t offset = 0;
449   std::string header = ConstructDataHeader(data_len);
450   stream_->OnStreamFrame(quic::QuicStreamFrame(
451       quic::test::GetNthClientInitiatedBidirectionalStreamId(
452           version_.transport_version, 0),
453       /*fin=*/false,
454       /*offset=*/offset, header));
455   offset += header.length();
456 
457   stream_->OnStreamFrame(quic::QuicStreamFrame(
458       quic::test::GetNthClientInitiatedBidirectionalStreamId(
459           version_.transport_version, 0),
460       /*fin=*/false,
461       /*offset=*/offset, data));
462 
463   EXPECT_EQ(data_len, callback.WaitForResult());
464   EXPECT_EQ(std::string_view(data), std::string_view(buffer->data(), data_len));
465   base::RunLoop().RunUntilIdle();
466 }
467 
TEST_P(QuicChromiumClientStreamTest,ProcessHeadersWithError)468 TEST_P(QuicChromiumClientStreamTest, ProcessHeadersWithError) {
469   spdy::Http2HeaderBlock bad_headers;
470   bad_headers["NAME"] = "...";
471 
472   EXPECT_CALL(
473       *static_cast<quic::test::MockQuicConnection*>(session_.connection()),
474       OnStreamReset(quic::test::GetNthClientInitiatedBidirectionalStreamId(
475                         version_.transport_version, 0),
476                     quic::QUIC_BAD_APPLICATION_PAYLOAD));
477 
478   auto headers = quic::test::AsHeaderList(bad_headers);
479   stream_->OnStreamHeaderList(false, headers.uncompressed_header_bytes(),
480                               headers);
481 
482   base::RunLoop().RunUntilIdle();
483 }
484 
TEST_P(QuicChromiumClientStreamTest,OnDataAvailableWithError)485 TEST_P(QuicChromiumClientStreamTest, OnDataAvailableWithError) {
486   InitializeHeaders();
487   auto headers = quic::test::AsHeaderList(headers_);
488   ProcessHeadersFull(headers_);
489 
490   const char data[] = "hello world!";
491   int data_len = strlen(data);
492 
493   // Start to read the body.
494   TestCompletionCallback callback;
495   auto buffer = base::MakeRefCounted<IOBufferWithSize>(2 * data_len);
496   EXPECT_EQ(
497       ERR_IO_PENDING,
498       handle_->ReadBody(
499           buffer.get(), 2 * data_len,
500           base::BindOnce(&QuicChromiumClientStreamTest::ResetStreamCallback,
501                          base::Unretained(this), stream_)));
502 
503   EXPECT_CALL(
504       *static_cast<quic::test::MockQuicConnection*>(session_.connection()),
505       OnStreamReset(quic::test::GetNthClientInitiatedBidirectionalStreamId(
506                         version_.transport_version, 0),
507                     quic::QUIC_STREAM_CANCELLED));
508 
509   // Receive the data and close the stream during the callback.
510   size_t offset = 0;
511   std::string header = ConstructDataHeader(data_len);
512   stream_->OnStreamFrame(quic::QuicStreamFrame(
513       quic::test::GetNthClientInitiatedBidirectionalStreamId(
514           version_.transport_version, 0),
515       /*fin=*/false,
516       /*offset=*/offset, header));
517   offset += header.length();
518   stream_->OnStreamFrame(quic::QuicStreamFrame(
519       quic::test::GetNthClientInitiatedBidirectionalStreamId(
520           version_.transport_version, 0),
521       /*fin=*/false,
522       /*offset=*/0, data));
523 
524   base::RunLoop().RunUntilIdle();
525 }
526 
TEST_P(QuicChromiumClientStreamTest,OnError)527 TEST_P(QuicChromiumClientStreamTest, OnError) {
528   //  EXPECT_CALL(delegate_, OnError(ERR_INTERNET_DISCONNECTED)).Times(1);
529 
530   stream_->OnError(ERR_INTERNET_DISCONNECTED);
531   stream_->OnError(ERR_INTERNET_DISCONNECTED);
532 }
533 
TEST_P(QuicChromiumClientStreamTest,OnTrailers)534 TEST_P(QuicChromiumClientStreamTest, OnTrailers) {
535   InitializeHeaders();
536   ProcessHeadersFull(headers_);
537 
538   const char data[] = "hello world!";
539   int data_len = strlen(data);
540   size_t offset = 0;
541   std::string header = ConstructDataHeader(data_len);
542   stream_->OnStreamFrame(quic::QuicStreamFrame(
543       quic::test::GetNthClientInitiatedBidirectionalStreamId(
544           version_.transport_version, 0),
545       /*fin=*/false,
546       /*offset=*/offset, header));
547   offset += header.length();
548   stream_->OnStreamFrame(quic::QuicStreamFrame(
549       quic::test::GetNthClientInitiatedBidirectionalStreamId(
550           version_.transport_version, 0),
551       /*fin=*/false,
552       /*offset=*/offset, data));
553 
554   // Read the body and verify that it arrives correctly.
555   TestCompletionCallback callback;
556   auto buffer = base::MakeRefCounted<IOBufferWithSize>(2 * data_len);
557   EXPECT_EQ(data_len,
558             handle_->ReadBody(buffer.get(), 2 * data_len, callback.callback()));
559   EXPECT_EQ(std::string_view(data), std::string_view(buffer->data(), data_len));
560 
561   spdy::Http2HeaderBlock trailers;
562   trailers["bar"] = "foo";
563 
564   auto t = ProcessTrailers(trailers);
565 
566   TestCompletionCallback trailers_callback;
567   EXPECT_EQ(
568       static_cast<int>(t.uncompressed_header_bytes()),
569       handle_->ReadTrailingHeaders(&trailers_, trailers_callback.callback()));
570 
571   // Read the body and verify that it arrives correctly.
572   EXPECT_EQ(0,
573             handle_->ReadBody(buffer.get(), 2 * data_len, callback.callback()));
574 
575   EXPECT_EQ(trailers, trailers_);
576   base::RunLoop().RunUntilIdle();
577 }
578 
579 // Tests that trailers are marked as consumed only before delegate is to be
580 // immediately notified about trailers.
TEST_P(QuicChromiumClientStreamTest,MarkTrailersConsumedWhenNotifyDelegate)581 TEST_P(QuicChromiumClientStreamTest, MarkTrailersConsumedWhenNotifyDelegate) {
582   InitializeHeaders();
583   ProcessHeadersFull(headers_);
584 
585   const char data[] = "hello world!";
586   int data_len = strlen(data);
587   size_t offset = 0;
588   std::string header = ConstructDataHeader(data_len);
589   stream_->OnStreamFrame(quic::QuicStreamFrame(
590       quic::test::GetNthClientInitiatedBidirectionalStreamId(
591           version_.transport_version, 0),
592       /*fin=*/false,
593       /*offset=*/offset, header));
594   offset += header.length();
595   stream_->OnStreamFrame(quic::QuicStreamFrame(
596       quic::test::GetNthClientInitiatedBidirectionalStreamId(
597           version_.transport_version, 0),
598       /*fin=*/false,
599       /*offset=*/offset, data));
600 
601   // Read the body and verify that it arrives correctly.
602   TestCompletionCallback callback;
603   auto buffer = base::MakeRefCounted<IOBufferWithSize>(2 * data_len);
604   EXPECT_EQ(data_len,
605             handle_->ReadBody(buffer.get(), 2 * data_len, callback.callback()));
606   EXPECT_EQ(std::string_view(data), std::string_view(buffer->data(), data_len));
607 
608   // Read again, and it will be pending.
609   EXPECT_THAT(
610       handle_->ReadBody(buffer.get(), 2 * data_len, callback.callback()),
611       IsError(ERR_IO_PENDING));
612 
613   spdy::Http2HeaderBlock trailers;
614   trailers["bar"] = "foo";
615   quic::QuicHeaderList t = ProcessTrailers(trailers);
616   EXPECT_FALSE(stream_->IsDoneReading());
617 
618   EXPECT_EQ(static_cast<int>(t.uncompressed_header_bytes()),
619             handle_->ReadTrailingHeaders(&trailers_, callback.callback()));
620 
621   // Read the body and verify that it arrives correctly.
622   EXPECT_EQ(0, callback.WaitForResult());
623 
624   // Make sure the stream is properly closed since trailers and data are all
625   // consumed.
626   EXPECT_TRUE(stream_->IsDoneReading());
627   EXPECT_EQ(trailers, trailers_);
628 
629   base::RunLoop().RunUntilIdle();
630 }
631 
632 // Test that if Read() is called after response body is read and after trailers
633 // are received but not yet delivered, Read() will return ERR_IO_PENDING instead
634 // of 0 (EOF).
TEST_P(QuicChromiumClientStreamTest,ReadAfterTrailersReceivedButNotDelivered)635 TEST_P(QuicChromiumClientStreamTest, ReadAfterTrailersReceivedButNotDelivered) {
636   InitializeHeaders();
637   ProcessHeadersFull(headers_);
638 
639   const char data[] = "hello world!";
640   int data_len = strlen(data);
641   size_t offset = 0;
642   std::string header = ConstructDataHeader(data_len);
643   stream_->OnStreamFrame(quic::QuicStreamFrame(
644       quic::test::GetNthClientInitiatedBidirectionalStreamId(
645           version_.transport_version, 0),
646       /*fin=*/false,
647       /*offset=*/offset, header));
648   offset += header.length();
649   stream_->OnStreamFrame(quic::QuicStreamFrame(
650       quic::test::GetNthClientInitiatedBidirectionalStreamId(
651           version_.transport_version, 0),
652       /*fin=*/false,
653       /*offset=*/offset, data));
654 
655   // Read the body and verify that it arrives correctly.
656   TestCompletionCallback callback;
657   auto buffer = base::MakeRefCounted<IOBufferWithSize>(2 * data_len);
658   EXPECT_EQ(data_len,
659             handle_->ReadBody(buffer.get(), 2 * data_len, callback.callback()));
660   EXPECT_EQ(std::string_view(data), std::string_view(buffer->data(), data_len));
661 
662   // Deliver trailers. Delegate notification is posted asynchronously.
663   spdy::Http2HeaderBlock trailers;
664   trailers["bar"] = "foo";
665 
666   quic::QuicHeaderList t = ProcessTrailers(trailers);
667 
668   EXPECT_FALSE(stream_->IsDoneReading());
669   // Read again, it return ERR_IO_PENDING.
670   EXPECT_THAT(
671       handle_->ReadBody(buffer.get(), 2 * data_len, callback.callback()),
672       IsError(ERR_IO_PENDING));
673 
674   // Trailers are not delivered
675   EXPECT_FALSE(stream_->IsDoneReading());
676 
677   TestCompletionCallback callback2;
678   EXPECT_EQ(static_cast<int>(t.uncompressed_header_bytes()),
679             handle_->ReadTrailingHeaders(&trailers_, callback2.callback()));
680 
681   // Read the body and verify that it arrives correctly.
682   // OnDataAvailable() should follow right after and Read() will return 0.
683   EXPECT_EQ(0, callback.WaitForResult());
684 
685   // Make sure the stream is properly closed since trailers and data are all
686   // consumed.
687   EXPECT_TRUE(stream_->IsDoneReading());
688 
689   EXPECT_EQ(trailers, trailers_);
690 
691   base::RunLoop().RunUntilIdle();
692 }
693 
TEST_P(QuicChromiumClientStreamTest,WriteStreamData)694 TEST_P(QuicChromiumClientStreamTest, WriteStreamData) {
695   testing::InSequence seq;
696   const char kData1[] = "hello world";
697   const size_t kDataLen = std::size(kData1);
698 
699   // All data written.
700   std::string header = ConstructDataHeader(kDataLen);
701   EXPECT_CALL(session_,
702               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
703       .WillOnce(Return(quic::QuicConsumedData(header.length(), false)));
704   EXPECT_CALL(session_,
705               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
706       .WillOnce(Return(quic::QuicConsumedData(kDataLen, true)));
707   TestCompletionCallback callback;
708   EXPECT_EQ(OK, handle_->WriteStreamData(base::StringPiece(kData1, kDataLen),
709                                          true, callback.callback()));
710 }
711 
TEST_P(QuicChromiumClientStreamTest,WriteStreamDataAsync)712 TEST_P(QuicChromiumClientStreamTest, WriteStreamDataAsync) {
713   testing::InSequence seq;
714   const char kData1[] = "hello world";
715   const size_t kDataLen = std::size(kData1);
716 
717   // No data written.
718   EXPECT_CALL(session_,
719               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
720       .WillOnce(Return(quic::QuicConsumedData(0, false)));
721   TestCompletionCallback callback;
722   EXPECT_EQ(ERR_IO_PENDING,
723             handle_->WriteStreamData(base::StringPiece(kData1, kDataLen), true,
724                                      callback.callback()));
725   ASSERT_FALSE(callback.have_result());
726 
727   // All data written.
728   std::string header = ConstructDataHeader(kDataLen);
729   EXPECT_CALL(session_,
730               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
731       .WillOnce(Return(quic::QuicConsumedData(header.length(), false)));
732   EXPECT_CALL(session_,
733               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
734       .WillOnce(Return(quic::QuicConsumedData(kDataLen, true)));
735   stream_->OnCanWrite();
736   // Do 2 writes in version 99.
737   stream_->OnCanWrite();
738   ASSERT_TRUE(callback.have_result());
739   EXPECT_THAT(callback.WaitForResult(), IsOk());
740 }
741 
TEST_P(QuicChromiumClientStreamTest,WritevStreamData)742 TEST_P(QuicChromiumClientStreamTest, WritevStreamData) {
743   testing::InSequence seq;
744   scoped_refptr<StringIOBuffer> buf1 =
745       base::MakeRefCounted<StringIOBuffer>("hello world!");
746   scoped_refptr<StringIOBuffer> buf2 =
747       base::MakeRefCounted<StringIOBuffer>("Just a small payload");
748 
749   // All data written.
750   std::string header = ConstructDataHeader(buf1->size());
751   EXPECT_CALL(session_,
752               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
753       .WillOnce(Return(quic::QuicConsumedData(header.length(), false)));
754   EXPECT_CALL(session_,
755               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
756       .WillOnce(Return(quic::QuicConsumedData(buf1->size(), false)));
757   header = ConstructDataHeader(buf2->size());
758   EXPECT_CALL(session_,
759               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
760       .WillOnce(Return(quic::QuicConsumedData(header.length(), false)));
761   EXPECT_CALL(session_,
762               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
763       .WillOnce(Return(quic::QuicConsumedData(buf2->size(), true)));
764   TestCompletionCallback callback;
765   EXPECT_EQ(
766       OK, handle_->WritevStreamData({buf1, buf2}, {buf1->size(), buf2->size()},
767                                     true, callback.callback()));
768 }
769 
TEST_P(QuicChromiumClientStreamTest,WritevStreamDataAsync)770 TEST_P(QuicChromiumClientStreamTest, WritevStreamDataAsync) {
771   testing::InSequence seq;
772   scoped_refptr<StringIOBuffer> buf1 =
773       base::MakeRefCounted<StringIOBuffer>("hello world!");
774   scoped_refptr<StringIOBuffer> buf2 =
775       base::MakeRefCounted<StringIOBuffer>("Just a small payload");
776 
777   // Only a part of the data is written.
778   std::string header = ConstructDataHeader(buf1->size());
779   EXPECT_CALL(session_,
780               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
781       .WillOnce(Return(quic::QuicConsumedData(header.length(), false)));
782   EXPECT_CALL(session_,
783               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
784       // First piece of data is written.
785       .WillOnce(Return(quic::QuicConsumedData(buf1->size(), false)));
786   // Second piece of data is queued.
787   EXPECT_CALL(session_,
788               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
789       .WillOnce(Return(quic::QuicConsumedData(0, false)));
790   TestCompletionCallback callback;
791   EXPECT_EQ(ERR_IO_PENDING,
792             handle_->WritevStreamData({buf1.get(), buf2.get()},
793                                       {buf1->size(), buf2->size()}, true,
794                                       callback.callback()));
795   ASSERT_FALSE(callback.have_result());
796 
797   // The second piece of data is written.
798   header = ConstructDataHeader(buf2->size());
799   EXPECT_CALL(session_,
800               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
801       .WillOnce(Return(quic::QuicConsumedData(header.length(), false)));
802   EXPECT_CALL(session_,
803               WritevData(stream_->id(), _, _, _, quic::NOT_RETRANSMISSION, _))
804       .WillOnce(Return(quic::QuicConsumedData(buf2->size(), true)));
805   stream_->OnCanWrite();
806   stream_->OnCanWrite();
807   ASSERT_TRUE(callback.have_result());
808   EXPECT_THAT(callback.WaitForResult(), IsOk());
809 }
810 
TEST_P(QuicChromiumClientStreamTest,HeadersBeforeHandle)811 TEST_P(QuicChromiumClientStreamTest, HeadersBeforeHandle) {
812   // We don't use stream_ because we want an incoming server push
813   // stream.
814   quic::QuicStreamId stream_id = GetNthServerInitiatedUnidirectionalStreamId(0);
815   QuicChromiumClientStream* stream2 = new QuicChromiumClientStream(
816       stream_id, &session_, quic::READ_UNIDIRECTIONAL, NetLogWithSource(),
817       TRAFFIC_ANNOTATION_FOR_TESTS);
818   session_.ActivateStream(base::WrapUnique(stream2));
819 
820   InitializeHeaders();
821 
822   // Receive the headers before the delegate is set.
823   quic::QuicHeaderList header_list = quic::test::AsHeaderList(headers_);
824   stream2->OnStreamHeaderList(true, header_list.uncompressed_header_bytes(),
825                               header_list);
826 
827   // Now set the delegate and verify that the headers are delivered.
828   handle2_ = stream2->CreateHandle();
829   TestCompletionCallback callback;
830   EXPECT_EQ(static_cast<int>(header_list.uncompressed_header_bytes()),
831             handle2_->ReadInitialHeaders(&headers_, callback.callback()));
832   EXPECT_EQ(headers_, headers_);
833 }
834 
TEST_P(QuicChromiumClientStreamTest,HeadersAndDataBeforeHandle)835 TEST_P(QuicChromiumClientStreamTest, HeadersAndDataBeforeHandle) {
836   // We don't use stream_ because we want an incoming server push
837   // stream.
838   quic::QuicStreamId stream_id = GetNthServerInitiatedUnidirectionalStreamId(0);
839   QuicChromiumClientStream* stream2 = new QuicChromiumClientStream(
840       stream_id, &session_, quic::READ_UNIDIRECTIONAL, NetLogWithSource(),
841       TRAFFIC_ANNOTATION_FOR_TESTS);
842   session_.ActivateStream(base::WrapUnique(stream2));
843 
844   InitializeHeaders();
845 
846   // Receive the headers and data before the delegate is set.
847   quic::QuicHeaderList header_list = quic::test::AsHeaderList(headers_);
848   stream2->OnStreamHeaderList(false, header_list.uncompressed_header_bytes(),
849                               header_list);
850   const char data[] = "hello world!";
851 
852   size_t offset = 0;
853   std::string header = ConstructDataHeader(strlen(data));
854   stream2->OnStreamFrame(quic::QuicStreamFrame(stream_id,
855                                                /*fin=*/false,
856                                                /*offset=*/offset, header));
857   offset += header.length();
858   stream2->OnStreamFrame(quic::QuicStreamFrame(stream_id, /*fin=*/false,
859                                                /*offset=*/offset, data));
860 
861   // Now set the delegate and verify that the headers are delivered, but
862   // not the data, which needs to be read explicitly.
863   handle2_ = stream2->CreateHandle();
864   TestCompletionCallback callback;
865   EXPECT_EQ(static_cast<int>(header_list.uncompressed_header_bytes()),
866             handle2_->ReadInitialHeaders(&headers_, callback.callback()));
867   EXPECT_EQ(headers_, headers_);
868   base::RunLoop().RunUntilIdle();
869 
870   // Now explicitly read the data.
871   int data_len = std::size(data) - 1;
872   auto buffer = base::MakeRefCounted<IOBufferWithSize>(data_len + 1);
873   ASSERT_EQ(data_len, stream2->Read(buffer.get(), data_len + 1));
874   EXPECT_EQ(std::string_view(data), std::string_view(buffer->data(), data_len));
875 }
876 
877 // Regression test for https://crbug.com/1043531.
TEST_P(QuicChromiumClientStreamTest,ResetOnEmptyResponseHeaders)878 TEST_P(QuicChromiumClientStreamTest, ResetOnEmptyResponseHeaders) {
879   const spdy::Http2HeaderBlock empty_response_headers;
880   ProcessHeaders(empty_response_headers);
881 
882   // Empty headers are allowed by QuicSpdyStream,
883   // but an error is generated by QuicChromiumClientStream.
884   int rv = handle_->ReadInitialHeaders(&headers_, CompletionOnceCallback());
885   EXPECT_THAT(rv, IsError(net::ERR_QUIC_PROTOCOL_ERROR));
886 }
887 
888 // Tests that the stream resets when it receives an invalid ":status"
889 // pseudo-header value.
TEST_P(QuicChromiumClientStreamTest,InvalidStatus)890 TEST_P(QuicChromiumClientStreamTest, InvalidStatus) {
891   spdy::Http2HeaderBlock headers = CreateResponseHeaders("xxx");
892 
893   EXPECT_CALL(
894       *static_cast<quic::test::MockQuicConnection*>(session_.connection()),
895       OnStreamReset(quic::test::GetNthClientInitiatedBidirectionalStreamId(
896                         version_.transport_version, 0),
897                     quic::QUIC_BAD_APPLICATION_PAYLOAD));
898 
899   ProcessHeaders(headers);
900   EXPECT_FALSE(handle_->IsOpen());
901   EXPECT_EQ(quic::QUIC_BAD_APPLICATION_PAYLOAD, handle_->stream_error());
902 }
903 
904 // Tests that the stream resets when it receives 101 Switching Protocols.
TEST_P(QuicChromiumClientStreamTest,SwitchingProtocolsResponse)905 TEST_P(QuicChromiumClientStreamTest, SwitchingProtocolsResponse) {
906   spdy::Http2HeaderBlock informational_headers = CreateResponseHeaders("101");
907 
908   EXPECT_CALL(
909       *static_cast<quic::test::MockQuicConnection*>(session_.connection()),
910       OnStreamReset(quic::test::GetNthClientInitiatedBidirectionalStreamId(
911                         version_.transport_version, 0),
912                     quic::QUIC_BAD_APPLICATION_PAYLOAD));
913 
914   ProcessHeaders(informational_headers);
915   EXPECT_FALSE(handle_->IsOpen());
916   EXPECT_EQ(quic::QUIC_BAD_APPLICATION_PAYLOAD, handle_->stream_error());
917 }
918 
919 // Tests that the stream ignores 100 Continue response.
TEST_P(QuicChromiumClientStreamTest,ContinueResponse)920 TEST_P(QuicChromiumClientStreamTest, ContinueResponse) {
921   spdy::Http2HeaderBlock informational_headers = CreateResponseHeaders("100");
922 
923   // This informational headers should be ignored.
924   ProcessHeaders(informational_headers);
925 
926   // Pass the initial headers.
927   InitializeHeaders();
928   quic::QuicHeaderList header_list = ProcessHeaders(headers_);
929 
930   // Read the initial headers.
931   spdy::Http2HeaderBlock response_headers;
932   // Pass DoNothing because the initial headers is already available and the
933   // callback won't be called.
934   EXPECT_EQ(static_cast<int>(header_list.uncompressed_header_bytes()),
935             handle_->ReadInitialHeaders(&response_headers, base::DoNothing()));
936   base::RunLoop().RunUntilIdle();
937 
938   EXPECT_EQ(response_headers, headers_);
939 }
940 
941 // Tests that the stream handles 103 Early Hints responses.
TEST_P(QuicChromiumClientStreamTest,EarlyHintsResponses)942 TEST_P(QuicChromiumClientStreamTest, EarlyHintsResponses) {
943   // Pass Two Early Hints responses to the stream.
944   spdy::Http2HeaderBlock hints1_headers = CreateResponseHeaders("103");
945   hints1_headers["x-header1"] = "foo";
946   quic::QuicHeaderList header_list = ProcessHeaders(hints1_headers);
947   const size_t hints1_bytes = header_list.uncompressed_header_bytes();
948 
949   spdy::Http2HeaderBlock hints2_headers = CreateResponseHeaders("103");
950   hints2_headers["x-header2"] = "foobarbaz";
951   header_list = ProcessHeaders(hints2_headers);
952   const size_t hints2_bytes = header_list.uncompressed_header_bytes();
953 
954   // Pass the initial headers to the stream.
955   InitializeHeaders();
956   header_list = ProcessHeaders(headers_);
957   const size_t initial_headers_bytes = header_list.uncompressed_header_bytes();
958 
959   spdy::Http2HeaderBlock headers;
960 
961   // Read headers. The first two reads should return Early Hints.
962   EXPECT_EQ(static_cast<int>(hints1_bytes),
963             handle_->ReadInitialHeaders(&headers, base::DoNothing()));
964   base::RunLoop().RunUntilIdle();
965   EXPECT_EQ(headers, hints1_headers);
966   base::TimeTicks first_early_hints_time = handle_->first_early_hints_time();
967   EXPECT_FALSE(first_early_hints_time.is_null());
968 
969   EXPECT_EQ(static_cast<int>(hints2_bytes),
970             handle_->ReadInitialHeaders(&headers, base::DoNothing()));
971   base::RunLoop().RunUntilIdle();
972   EXPECT_EQ(headers, hints2_headers);
973   EXPECT_EQ(first_early_hints_time, handle_->first_early_hints_time());
974 
975   // The third read should return the initial headers.
976   EXPECT_EQ(static_cast<int>(initial_headers_bytes),
977             handle_->ReadInitialHeaders(&headers, base::DoNothing()));
978   base::RunLoop().RunUntilIdle();
979   EXPECT_EQ(headers, headers_);
980 }
981 
982 // Tests that pending reads for Early Hints work.
TEST_P(QuicChromiumClientStreamTest,EarlyHintsAsync)983 TEST_P(QuicChromiumClientStreamTest, EarlyHintsAsync) {
984   spdy::Http2HeaderBlock headers;
985   TestCompletionCallback hints_callback;
986 
987   // Try to read headers. The read should be blocked.
988   EXPECT_EQ(ERR_IO_PENDING,
989             handle_->ReadInitialHeaders(&headers, hints_callback.callback()));
990 
991   // Pass an Early Hints and the initial headers.
992   spdy::Http2HeaderBlock hints_headers = CreateResponseHeaders("103");
993   hints_headers["x-header1"] = "foo";
994   quic::QuicHeaderList header_list = ProcessHeaders(hints_headers);
995   const size_t hints_bytes = header_list.uncompressed_header_bytes();
996   InitializeHeaders();
997   header_list = ProcessHeaders(headers_);
998   const size_t initial_headers_bytes = header_list.uncompressed_header_bytes();
999 
1000   // Wait for the pending headers read. The result should be the Early Hints.
1001   const int hints_result = hints_callback.WaitForResult();
1002   EXPECT_EQ(hints_result, static_cast<int>(hints_bytes));
1003   EXPECT_EQ(headers, hints_headers);
1004 
1005   // Second read should return the initial headers.
1006   EXPECT_EQ(static_cast<int>(initial_headers_bytes),
1007             handle_->ReadInitialHeaders(&headers, base::DoNothing()));
1008   EXPECT_EQ(headers, headers_);
1009 }
1010 
1011 // Tests that Early Hints after the initial headers is treated as an error.
TEST_P(QuicChromiumClientStreamTest,EarlyHintsAfterInitialHeaders)1012 TEST_P(QuicChromiumClientStreamTest, EarlyHintsAfterInitialHeaders) {
1013   InitializeHeaders();
1014   ProcessHeadersFull(headers_);
1015 
1016   // Early Hints after the initial headers are treated as trailers, and it
1017   // should result in an error because trailers must not contain pseudo-headers
1018   // like ":status".
1019   EXPECT_CALL(
1020       *static_cast<quic::test::MockQuicConnection*>(session_.connection()),
1021       CloseConnection(
1022           quic::QUIC_INVALID_HEADERS_STREAM_DATA, _,
1023           quic::ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET));
1024 
1025   spdy::Http2HeaderBlock hints_headers;
1026   hints_headers[":status"] = "103";
1027   ProcessHeaders(hints_headers);
1028   base::RunLoop().RunUntilIdle();
1029 }
1030 
1031 // Similar to the above test but don't read the initial headers.
TEST_P(QuicChromiumClientStreamTest,EarlyHintsAfterInitialHeadersWithoutRead)1032 TEST_P(QuicChromiumClientStreamTest, EarlyHintsAfterInitialHeadersWithoutRead) {
1033   InitializeHeaders();
1034   ProcessHeaders(headers_);
1035 
1036   // Early Hints after the initial headers are treated as trailers, and it
1037   // should result in an error because trailers must not contain pseudo-headers
1038   // like ":status".
1039   EXPECT_CALL(
1040       *static_cast<quic::test::MockQuicConnection*>(session_.connection()),
1041       CloseConnection(
1042           quic::QUIC_INVALID_HEADERS_STREAM_DATA, _,
1043           quic::ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET));
1044 
1045   spdy::Http2HeaderBlock hints_headers;
1046   hints_headers[":status"] = "103";
1047   ProcessHeaders(hints_headers);
1048   base::RunLoop().RunUntilIdle();
1049 }
1050 
1051 // Regression test for https://crbug.com/1248970. Write an Early Hints headers,
1052 // an initial response headers and trailers in succession without reading in
1053 // the middle of writings.
TEST_P(QuicChromiumClientStreamTest,TrailersAfterEarlyHintsWithoutRead)1054 TEST_P(QuicChromiumClientStreamTest, TrailersAfterEarlyHintsWithoutRead) {
1055   // Process an Early Hints response headers on the stream.
1056   spdy::Http2HeaderBlock hints_headers = CreateResponseHeaders("103");
1057   quic::QuicHeaderList hints_header_list = ProcessHeaders(hints_headers);
1058 
1059   // Process an initial response headers on the stream.
1060   InitializeHeaders();
1061   quic::QuicHeaderList header_list = ProcessHeaders(headers_);
1062 
1063   // Process a trailer headers on the stream. This should not hit any DCHECK.
1064   spdy::Http2HeaderBlock trailers;
1065   trailers["bar"] = "foo";
1066   quic::QuicHeaderList trailer_header_list = ProcessTrailers(trailers);
1067   base::RunLoop().RunUntilIdle();
1068 
1069   // Read the Early Hints response from the handle.
1070   {
1071     spdy::Http2HeaderBlock headers;
1072     TestCompletionCallback callback;
1073     EXPECT_EQ(static_cast<int>(hints_header_list.uncompressed_header_bytes()),
1074               handle_->ReadInitialHeaders(&headers, callback.callback()));
1075     EXPECT_EQ(headers, hints_headers);
1076   }
1077 
1078   // Read the initial headers from the handle.
1079   {
1080     spdy::Http2HeaderBlock headers;
1081     TestCompletionCallback callback;
1082     EXPECT_EQ(static_cast<int>(header_list.uncompressed_header_bytes()),
1083               handle_->ReadInitialHeaders(&headers, callback.callback()));
1084     EXPECT_EQ(headers, headers_);
1085   }
1086 
1087   // Read trailers from the handle.
1088   {
1089     spdy::Http2HeaderBlock headers;
1090     TestCompletionCallback callback;
1091     EXPECT_EQ(static_cast<int>(trailer_header_list.uncompressed_header_bytes()),
1092               handle_->ReadTrailingHeaders(&headers, callback.callback()));
1093     EXPECT_EQ(headers, trailers);
1094   }
1095 }
1096 
1097 }  // namespace
1098 }  // namespace net::test
1099