1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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/reliable_quic_stream.h"
6
7#include "net/quic/quic_connection.h"
8#include "net/quic/quic_spdy_compressor.h"
9#include "net/quic/quic_spdy_decompressor.h"
10#include "net/quic/quic_utils.h"
11#include "net/quic/spdy_utils.h"
12#include "net/quic/test_tools/quic_session_peer.h"
13#include "net/quic/test_tools/quic_test_utils.h"
14#include "testing/gmock/include/gmock/gmock.h"
15
16using base::StringPiece;
17using std::min;
18using testing::_;
19using testing::InSequence;
20using testing::Return;
21using testing::SaveArg;
22using testing::StrEq;
23using testing::StrictMock;
24
25namespace net {
26namespace test {
27namespace {
28
29const char kData1[] = "FooAndBar";
30const char kData2[] = "EepAndBaz";
31const size_t kDataLen = 9;
32const QuicGuid kGuid = 42;
33const QuicGuid kStreamId = 3;
34const bool kIsServer = true;
35const bool kShouldProcessData = true;
36
37class TestStream : public ReliableQuicStream {
38 public:
39  TestStream(QuicStreamId id,
40                         QuicSession* session,
41                         bool should_process_data)
42      : ReliableQuicStream(id, session),
43        should_process_data_(should_process_data) {
44  }
45
46  virtual uint32 ProcessData(const char* data, uint32 data_len) OVERRIDE {
47    EXPECT_NE(0u, data_len);
48    DVLOG(1) << "ProcessData data_len: " << data_len;
49    data_ += string(data, data_len);
50    return should_process_data_ ? data_len : 0;
51  }
52
53  using ReliableQuicStream::WriteData;
54  using ReliableQuicStream::CloseReadSide;
55  using ReliableQuicStream::CloseWriteSide;
56
57  const string& data() const { return data_; }
58
59 private:
60  bool should_process_data_;
61  string data_;
62};
63
64class ReliableQuicStreamTest : public ::testing::TestWithParam<bool> {
65 public:
66  ReliableQuicStreamTest() {
67    headers_[":host"] = "www.google.com";
68    headers_[":path"] = "/index.hml";
69    headers_[":scheme"] = "https";
70    headers_["cookie"] =
71        "__utma=208381060.1228362404.1372200928.1372200928.1372200928.1; "
72        "__utmc=160408618; "
73        "GX=DQAAAOEAAACWJYdewdE9rIrW6qw3PtVi2-d729qaa-74KqOsM1NVQblK4VhX"
74        "hoALMsy6HOdDad2Sz0flUByv7etmo3mLMidGrBoljqO9hSVA40SLqpG_iuKKSHX"
75        "RW3Np4bq0F0SDGDNsW0DSmTS9ufMRrlpARJDS7qAI6M3bghqJp4eABKZiRqebHT"
76        "pMU-RXvTI5D5oCF1vYxYofH_l1Kviuiy3oQ1kS1enqWgbhJ2t61_SNdv-1XJIS0"
77        "O3YeHLmVCs62O6zp89QwakfAWK9d3IDQvVSJzCQsvxvNIvaZFa567MawWlXg0Rh"
78        "1zFMi5vzcns38-8_Sns; "
79        "GA=v*2%2Fmem*57968640*47239936%2Fmem*57968640*47114716%2Fno-nm-"
80        "yj*15%2Fno-cc-yj*5%2Fpc-ch*133685%2Fpc-s-cr*133947%2Fpc-s-t*1339"
81        "47%2Fno-nm-yj*4%2Fno-cc-yj*1%2Fceft-as*1%2Fceft-nqas*0%2Fad-ra-c"
82        "v_p%2Fad-nr-cv_p-f*1%2Fad-v-cv_p*859%2Fad-ns-cv_p-f*1%2Ffn-v-ad%"
83        "2Fpc-t*250%2Fpc-cm*461%2Fpc-s-cr*722%2Fpc-s-t*722%2Fau_p*4"
84        "SICAID=AJKiYcHdKgxum7KMXG0ei2t1-W4OD1uW-ecNsCqC0wDuAXiDGIcT_HA2o1"
85        "3Rs1UKCuBAF9g8rWNOFbxt8PSNSHFuIhOo2t6bJAVpCsMU5Laa6lewuTMYI8MzdQP"
86        "ARHKyW-koxuhMZHUnGBJAM1gJODe0cATO_KGoX4pbbFxxJ5IicRxOrWK_5rU3cdy6"
87        "edlR9FsEdH6iujMcHkbE5l18ehJDwTWmBKBzVD87naobhMMrF6VvnDGxQVGp9Ir_b"
88        "Rgj3RWUoPumQVCxtSOBdX0GlJOEcDTNCzQIm9BSfetog_eP_TfYubKudt5eMsXmN6"
89        "QnyXHeGeK2UINUzJ-D30AFcpqYgH9_1BvYSpi7fc7_ydBU8TaD8ZRxvtnzXqj0RfG"
90        "tuHghmv3aD-uzSYJ75XDdzKdizZ86IG6Fbn1XFhYZM-fbHhm3mVEXnyRW4ZuNOLFk"
91        "Fas6LMcVC6Q8QLlHYbXBpdNFuGbuZGUnav5C-2I_-46lL0NGg3GewxGKGHvHEfoyn"
92        "EFFlEYHsBQ98rXImL8ySDycdLEFvBPdtctPmWCfTxwmoSMLHU2SCVDhbqMWU5b0yr"
93        "JBCScs_ejbKaqBDoB7ZGxTvqlrB__2ZmnHHjCr8RgMRtKNtIeuZAo ";
94  }
95
96  void Initialize(bool stream_should_process_data) {
97    connection_ = new testing::StrictMock<MockConnection>(
98        kGuid, IPEndPoint(), kIsServer);
99    session_.reset(new testing::StrictMock<MockSession>(
100        connection_, kIsServer));
101    stream_.reset(new TestStream(kStreamId, session_.get(),
102                                 stream_should_process_data));
103    stream2_.reset(new TestStream(kStreamId + 2, session_.get(),
104                                 stream_should_process_data));
105    compressor_.reset(new QuicSpdyCompressor());
106    decompressor_.reset(new QuicSpdyDecompressor);
107    write_blocked_list_ =
108        QuicSessionPeer::GetWriteblockedStreams(session_.get());
109  }
110
111 protected:
112  MockConnection* connection_;
113  scoped_ptr<MockSession> session_;
114  scoped_ptr<TestStream> stream_;
115  scoped_ptr<TestStream> stream2_;
116  scoped_ptr<QuicSpdyCompressor> compressor_;
117  scoped_ptr<QuicSpdyDecompressor> decompressor_;
118  SpdyHeaderBlock headers_;
119  BlockedList<QuicStreamId>* write_blocked_list_;
120};
121
122TEST_F(ReliableQuicStreamTest, WriteAllData) {
123  Initialize(kShouldProcessData);
124
125  connection_->options()->max_packet_length =
126      1 + QuicPacketCreator::StreamFramePacketOverhead(
127          connection_->version(), PACKET_8BYTE_GUID, !kIncludeVersion,
128          PACKET_6BYTE_SEQUENCE_NUMBER, NOT_IN_FEC_GROUP);
129  // TODO(rch): figure out how to get StrEq working here.
130  //EXPECT_CALL(*session_, WriteData(kStreamId, StrEq(kData1), _, _)).WillOnce(
131  EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce(
132      Return(QuicConsumedData(kDataLen, true)));
133  EXPECT_EQ(kDataLen, stream_->WriteData(kData1, false).bytes_consumed);
134  EXPECT_TRUE(write_blocked_list_->IsEmpty());
135}
136
137// TODO(rtenneti): Death tests crash on OS_ANDROID.
138#if GTEST_HAS_DEATH_TEST && !defined(NDEBUG) && !defined(OS_ANDROID)
139TEST_F(ReliableQuicStreamTest, NoBlockingIfNoDataOrFin) {
140  Initialize(kShouldProcessData);
141
142  // Write no data and no fin.  If we consume nothing we should not be write
143  // blocked.
144  EXPECT_DEBUG_DEATH({
145    EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce(
146        Return(QuicConsumedData(0, false)));
147    stream_->WriteData(StringPiece(), false);
148  EXPECT_TRUE(write_blocked_list_->IsEmpty());
149  }, "");
150}
151#endif  // GTEST_HAS_DEATH_TEST && !defined(NDEBUG) && !defined(OS_ANDROID)
152
153TEST_F(ReliableQuicStreamTest, BlockIfOnlySomeDataConsumed) {
154  Initialize(kShouldProcessData);
155
156  // Write some data and no fin.  If we consume some but not all of the data,
157  // we should be write blocked a not all the data was consumed.
158  EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce(
159      Return(QuicConsumedData(1, false)));
160  stream_->WriteData(StringPiece(kData1, 2), false);
161  ASSERT_EQ(1, write_blocked_list_->NumObjects());
162}
163
164
165TEST_F(ReliableQuicStreamTest, BlockIfFinNotConsumedWithData) {
166  Initialize(kShouldProcessData);
167
168  // Write some data and no fin.  If we consume all the data but not the fin,
169  // we should be write blocked because the fin was not consumed.
170  // (This should never actually happen as the fin should be sent out with the
171  // last data)
172  EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce(
173      Return(QuicConsumedData(2, false)));
174  stream_->WriteData(StringPiece(kData1, 2), true);
175  ASSERT_EQ(1, write_blocked_list_->NumObjects());
176}
177
178TEST_F(ReliableQuicStreamTest, BlockIfSoloFinNotConsumed) {
179  Initialize(kShouldProcessData);
180
181  // Write no data and a fin.  If we consume nothing we should be write blocked,
182  // as the fin was not consumed.
183  EXPECT_CALL(*session_, WriteData(kStreamId, _, _, _)).WillOnce(
184      Return(QuicConsumedData(0, false)));
185  stream_->WriteData(StringPiece(), true);
186  ASSERT_EQ(1, write_blocked_list_->NumObjects());
187}
188
189TEST_F(ReliableQuicStreamTest, WriteData) {
190  Initialize(kShouldProcessData);
191
192  EXPECT_TRUE(write_blocked_list_->IsEmpty());
193  connection_->options()->max_packet_length =
194      1 + QuicPacketCreator::StreamFramePacketOverhead(
195          connection_->version(), PACKET_8BYTE_GUID, !kIncludeVersion,
196          PACKET_6BYTE_SEQUENCE_NUMBER, NOT_IN_FEC_GROUP);
197  // TODO(rch): figure out how to get StrEq working here.
198  //EXPECT_CALL(*session_, WriteData(_, StrEq(kData1), _, _)).WillOnce(
199  EXPECT_CALL(*session_, WriteData(_, _, _, _)).WillOnce(
200      Return(QuicConsumedData(kDataLen - 1, false)));
201  // The return will be kDataLen, because the last byte gets buffered.
202  EXPECT_EQ(kDataLen, stream_->WriteData(kData1, false).bytes_consumed);
203  EXPECT_FALSE(write_blocked_list_->IsEmpty());
204
205  // Queue a bytes_consumed write.
206  EXPECT_EQ(kDataLen, stream_->WriteData(kData2, false).bytes_consumed);
207
208  // Make sure we get the tail of the first write followed by the bytes_consumed
209  InSequence s;
210  //EXPECT_CALL(*session_, WriteData(_, StrEq(&kData1[kDataLen - 1]), _, _)).
211  EXPECT_CALL(*session_, WriteData(_, _, _, _)).
212      WillOnce(Return(QuicConsumedData(1, false)));
213  //EXPECT_CALL(*session_, WriteData(_, StrEq(kData2), _, _)).
214  EXPECT_CALL(*session_, WriteData(_, _, _, _)).
215      WillOnce(Return(QuicConsumedData(kDataLen - 2, false)));
216  stream_->OnCanWrite();
217
218  // And finally the end of the bytes_consumed
219  //EXPECT_CALL(*session_, WriteData(_, StrEq(&kData2[kDataLen - 2]), _, _)).
220  EXPECT_CALL(*session_, WriteData(_, _, _, _)).
221      WillOnce(Return(QuicConsumedData(2, true)));
222  stream_->OnCanWrite();
223}
224
225TEST_F(ReliableQuicStreamTest, ConnectionCloseAfterStreamClose) {
226  Initialize(kShouldProcessData);
227
228  stream_->CloseReadSide();
229  stream_->CloseWriteSide();
230  EXPECT_EQ(QUIC_STREAM_NO_ERROR, stream_->stream_error());
231  EXPECT_EQ(QUIC_NO_ERROR, stream_->connection_error());
232  stream_->ConnectionClose(QUIC_INTERNAL_ERROR, false);
233  EXPECT_EQ(QUIC_STREAM_NO_ERROR, stream_->stream_error());
234  EXPECT_EQ(QUIC_NO_ERROR, stream_->connection_error());
235}
236
237TEST_F(ReliableQuicStreamTest, ProcessHeaders) {
238  Initialize(kShouldProcessData);
239
240  string compressed_headers = compressor_->CompressHeaders(headers_);
241  QuicStreamFrame frame(kStreamId, false, 0, compressed_headers);
242
243  stream_->OnStreamFrame(frame);
244  EXPECT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_), stream_->data());
245}
246
247TEST_F(ReliableQuicStreamTest, ProcessHeadersWithInvalidHeaderId) {
248  Initialize(kShouldProcessData);
249
250  string compressed_headers = compressor_->CompressHeaders(headers_);
251  compressed_headers.replace(0, 1, 1, '\xFF');  // Illegal header id.
252  QuicStreamFrame frame(kStreamId, false, 0, compressed_headers);
253
254  EXPECT_CALL(*connection_, SendConnectionClose(QUIC_INVALID_HEADER_ID));
255  stream_->OnStreamFrame(frame);
256}
257
258TEST_F(ReliableQuicStreamTest, ProcessHeadersAndBody) {
259  Initialize(kShouldProcessData);
260
261  string compressed_headers = compressor_->CompressHeaders(headers_);
262  string body = "this is the body";
263  string data = compressed_headers + body;
264  QuicStreamFrame frame(kStreamId, false, 0, data);
265
266  stream_->OnStreamFrame(frame);
267  EXPECT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_) + body,
268            stream_->data());
269}
270
271TEST_F(ReliableQuicStreamTest, ProcessHeadersAndBodyFragments) {
272  Initialize(kShouldProcessData);
273
274  string compressed_headers = compressor_->CompressHeaders(headers_);
275  string body = "this is the body";
276  string data = compressed_headers + body;
277
278  for (size_t fragment_size = 1; fragment_size < data.size(); ++fragment_size) {
279    Initialize(kShouldProcessData);
280    for (size_t offset = 0; offset < data.size(); offset += fragment_size) {
281      size_t remaining_data = data.length() - offset;
282      StringPiece fragment(data.data() + offset,
283                           min(fragment_size, remaining_data));
284      QuicStreamFrame frame(kStreamId, false, offset, fragment);
285
286      stream_->OnStreamFrame(frame);
287    }
288    ASSERT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_) + body,
289              stream_->data()) << "fragment_size: " << fragment_size;
290  }
291
292  for (size_t split_point = 1; split_point < data.size() - 1; ++split_point) {
293    Initialize(kShouldProcessData);
294
295    StringPiece fragment1(data.data(), split_point);
296    QuicStreamFrame frame1(kStreamId, false, 0, fragment1);
297    stream_->OnStreamFrame(frame1);
298
299    StringPiece fragment2(data.data() + split_point, data.size() - split_point);
300    QuicStreamFrame frame2(kStreamId, false, split_point, fragment2);
301    stream_->OnStreamFrame(frame2);
302
303    ASSERT_EQ(SpdyUtils::SerializeUncompressedHeaders(headers_) + body,
304              stream_->data()) << "split_point: " << split_point;
305  }
306}
307
308TEST_F(ReliableQuicStreamTest, ProcessHeadersAndBodyReadv) {
309  Initialize(!kShouldProcessData);
310
311  string compressed_headers = compressor_->CompressHeaders(headers_);
312  string body = "this is the body";
313  string data = compressed_headers + body;
314  QuicStreamFrame frame(kStreamId, false, 0, data);
315  string uncompressed_headers =
316      SpdyUtils::SerializeUncompressedHeaders(headers_);
317  string uncompressed_data = uncompressed_headers + body;
318
319  stream_->OnStreamFrame(frame);
320  EXPECT_EQ(uncompressed_headers, stream_->data());
321
322  char buffer[2048];
323  ASSERT_LT(data.length(), arraysize(buffer));
324  struct iovec vec;
325  vec.iov_base = buffer;
326  vec.iov_len = arraysize(buffer);
327
328  size_t bytes_read = stream_->Readv(&vec, 1);
329  EXPECT_EQ(uncompressed_headers.length(), bytes_read);
330  EXPECT_EQ(uncompressed_headers, string(buffer, bytes_read));
331
332  bytes_read = stream_->Readv(&vec, 1);
333  EXPECT_EQ(body.length(), bytes_read);
334  EXPECT_EQ(body, string(buffer, bytes_read));
335}
336
337TEST_F(ReliableQuicStreamTest, ProcessHeadersAndBodyIncrementalReadv) {
338  Initialize(!kShouldProcessData);
339
340  string compressed_headers = compressor_->CompressHeaders(headers_);
341  string body = "this is the body";
342  string data = compressed_headers + body;
343  QuicStreamFrame frame(kStreamId, false, 0, data);
344  string uncompressed_headers =
345      SpdyUtils::SerializeUncompressedHeaders(headers_);
346  string uncompressed_data = uncompressed_headers + body;
347
348  stream_->OnStreamFrame(frame);
349  EXPECT_EQ(uncompressed_headers, stream_->data());
350
351  char buffer[1];
352  struct iovec vec;
353  vec.iov_base = buffer;
354  vec.iov_len = arraysize(buffer);
355  for (size_t i = 0; i < uncompressed_data.length(); ++i) {
356    size_t bytes_read = stream_->Readv(&vec, 1);
357    ASSERT_EQ(1u, bytes_read);
358    EXPECT_EQ(uncompressed_data.data()[i], buffer[0]);
359  }
360}
361
362TEST_F(ReliableQuicStreamTest, ProcessHeadersUsingReadvWithMultipleIovecs) {
363  Initialize(!kShouldProcessData);
364
365  string compressed_headers = compressor_->CompressHeaders(headers_);
366  string body = "this is the body";
367  string data = compressed_headers + body;
368  QuicStreamFrame frame(kStreamId, false, 0, data);
369  string uncompressed_headers =
370      SpdyUtils::SerializeUncompressedHeaders(headers_);
371  string uncompressed_data = uncompressed_headers + body;
372
373  stream_->OnStreamFrame(frame);
374  EXPECT_EQ(uncompressed_headers, stream_->data());
375
376  char buffer1[1];
377  char buffer2[1];
378  struct iovec vec[2];
379  vec[0].iov_base = buffer1;
380  vec[0].iov_len = arraysize(buffer1);
381  vec[1].iov_base = buffer2;
382  vec[1].iov_len = arraysize(buffer2);
383  for (size_t i = 0; i < uncompressed_data.length(); i += 2) {
384    size_t bytes_read = stream_->Readv(vec, 2);
385    ASSERT_EQ(2u, bytes_read) << i;
386    ASSERT_EQ(uncompressed_data.data()[i], buffer1[0]) << i;
387    ASSERT_EQ(uncompressed_data.data()[i + 1], buffer2[0]) << i;
388  }
389}
390
391TEST_F(ReliableQuicStreamTest, ProcessCorruptHeadersEarly) {
392  Initialize(kShouldProcessData);
393
394  string compressed_headers1 = compressor_->CompressHeaders(headers_);
395  QuicStreamFrame frame1(stream_->id(), false, 0, compressed_headers1);
396  string decompressed_headers1 =
397      SpdyUtils::SerializeUncompressedHeaders(headers_);
398
399  headers_["content-type"] = "text/plain";
400  string compressed_headers2 = compressor_->CompressHeaders(headers_);
401  // Corrupt the compressed data.
402  compressed_headers2[compressed_headers2.length() - 1] ^= 0xA1;
403  QuicStreamFrame frame2(stream2_->id(), false, 0, compressed_headers2);
404  string decompressed_headers2 =
405      SpdyUtils::SerializeUncompressedHeaders(headers_);
406
407  // Deliver frame2 to stream2 out of order.  The decompressor is not
408  // available yet, so no data will be processed.  The compressed data
409  // will be buffered until OnDecompressorAvailable() is called
410  // to process it.
411  stream2_->OnStreamFrame(frame2);
412  EXPECT_EQ("", stream2_->data());
413
414  // Now deliver frame1 to stream1.  The decompressor is available so
415  // the data will be processed, and the decompressor will become
416  // available for stream2.
417  stream_->OnStreamFrame(frame1);
418  EXPECT_EQ(decompressed_headers1, stream_->data());
419
420  // Verify that the decompressor is available, and inform stream2
421  // that it can now decompress the buffered compressed data.    Since
422  // the compressed data is corrupt, the stream will shutdown the session.
423  EXPECT_EQ(2u, session_->decompressor()->current_header_id());
424  EXPECT_CALL(*connection_, SendConnectionClose(QUIC_DECOMPRESSION_FAILURE));
425  stream2_->OnDecompressorAvailable();
426  EXPECT_EQ("", stream2_->data());
427}
428
429TEST_F(ReliableQuicStreamTest, ProcessPartialHeadersEarly) {
430  Initialize(kShouldProcessData);
431
432  string compressed_headers1 = compressor_->CompressHeaders(headers_);
433  QuicStreamFrame frame1(stream_->id(), false, 0, compressed_headers1);
434  string decompressed_headers1 =
435      SpdyUtils::SerializeUncompressedHeaders(headers_);
436
437  headers_["content-type"] = "text/plain";
438  string compressed_headers2 = compressor_->CompressHeaders(headers_);
439  string partial_compressed_headers =
440      compressed_headers2.substr(0, compressed_headers2.length() / 2);
441  QuicStreamFrame frame2(stream2_->id(), false, 0, partial_compressed_headers);
442  string decompressed_headers2 =
443      SpdyUtils::SerializeUncompressedHeaders(headers_);
444
445  // Deliver frame2 to stream2 out of order.  The decompressor is not
446  // available yet, so no data will be processed.  The compressed data
447  // will be buffered until OnDecompressorAvailable() is called
448  // to process it.
449  stream2_->OnStreamFrame(frame2);
450  EXPECT_EQ("", stream2_->data());
451
452  // Now deliver frame1 to stream1.  The decompressor is available so
453  // the data will be processed, and the decompressor will become
454  // available for stream2.
455  stream_->OnStreamFrame(frame1);
456  EXPECT_EQ(decompressed_headers1, stream_->data());
457
458  // Verify that the decompressor is available, and inform stream2
459  // that it can now decompress the buffered compressed data.  Since
460  // the compressed data is incomplete it will not be passed to
461  // the stream.
462  EXPECT_EQ(2u, session_->decompressor()->current_header_id());
463  stream2_->OnDecompressorAvailable();
464  EXPECT_EQ("", stream2_->data());
465
466  // Now send remaining data and verify that we have now received the
467  // compressed headers.
468  string remaining_compressed_headers =
469      compressed_headers2.substr(partial_compressed_headers.length());
470
471  QuicStreamFrame frame3(stream2_->id(), false,
472                         partial_compressed_headers.length(),
473                         remaining_compressed_headers);
474  stream2_->OnStreamFrame(frame3);
475  EXPECT_EQ(decompressed_headers2, stream2_->data());
476}
477
478TEST_F(ReliableQuicStreamTest, ProcessHeadersEarly) {
479  Initialize(kShouldProcessData);
480
481  string compressed_headers1 = compressor_->CompressHeaders(headers_);
482  QuicStreamFrame frame1(stream_->id(), false, 0, compressed_headers1);
483  string decompressed_headers1 =
484      SpdyUtils::SerializeUncompressedHeaders(headers_);
485
486  headers_["content-type"] = "text/plain";
487  string compressed_headers2 = compressor_->CompressHeaders(headers_);
488  QuicStreamFrame frame2(stream2_->id(), false, 0, compressed_headers2);
489  string decompressed_headers2 =
490      SpdyUtils::SerializeUncompressedHeaders(headers_);
491
492  // Deliver frame2 to stream2 out of order.  The decompressor is not
493  // available yet, so no data will be processed.  The compressed data
494  // will be buffered until OnDecompressorAvailable() is called
495  // to process it.
496  stream2_->OnStreamFrame(frame2);
497  EXPECT_EQ("", stream2_->data());
498
499  // Now deliver frame1 to stream1.  The decompressor is available so
500  // the data will be processed, and the decompressor will become
501  // available for stream2.
502  stream_->OnStreamFrame(frame1);
503  EXPECT_EQ(decompressed_headers1, stream_->data());
504
505  // Verify that the decompressor is available, and inform stream2
506  // that it can now decompress the buffered compressed data.
507  EXPECT_EQ(2u, session_->decompressor()->current_header_id());
508  stream2_->OnDecompressorAvailable();
509  EXPECT_EQ(decompressed_headers2, stream2_->data());
510}
511
512TEST_F(ReliableQuicStreamTest, ProcessHeadersDelay) {
513  Initialize(!kShouldProcessData);
514
515  string compressed_headers = compressor_->CompressHeaders(headers_);
516  QuicStreamFrame frame1(stream_->id(), false, 0, compressed_headers);
517  string decompressed_headers =
518      SpdyUtils::SerializeUncompressedHeaders(headers_);
519
520  // Send the headers to the stream and verify they were decompressed.
521  stream_->OnStreamFrame(frame1);
522  EXPECT_EQ(2u, session_->decompressor()->current_header_id());
523
524  // Verify that we are now able to handle the body data,
525  // even though the stream has not processed the headers.
526  EXPECT_CALL(*connection_, SendConnectionClose(QUIC_INVALID_HEADER_ID))
527      .Times(0);
528  QuicStreamFrame frame2(stream_->id(), false, compressed_headers.length(),
529                         "body data");
530  stream_->OnStreamFrame(frame2);
531}
532
533}  // namespace
534}  // namespace test
535}  // namespace net
536