src/chrome/browser/extensions/api/cast_channel/cast_socket_unittest.cc

   1 // Copyright 2013 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 "chrome/browser/extensions/api/cast_channel/cast_socket.h"
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/run_loop.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "base/sys_byteorder.h"
  11 #include "chrome/browser/extensions/api/cast_channel/cast_channel.pb.h"
  12 #include "chrome/browser/extensions/api/cast_channel/cast_message_util.h"
  13 #include "net/base/address_list.h"
  14 #include "net/base/capturing_net_log.h"
  15 #include "net/base/net_errors.h"
  16 #include "net/base/net_util.h"
  17 #include "net/socket/socket_test_util.h"
  18 #include "net/socket/ssl_client_socket.h"
  19 #include "net/socket/tcp_client_socket.h"
  20 #include "net/ssl/ssl_info.h"
  21 #include "testing/gmock/include/gmock/gmock.h"
  22 #include "testing/gtest/include/gtest/gtest.h"
  23
  24 using ::testing::_;
  25 using ::testing::A;
  26 using ::testing::DoAll;
  27 using ::testing::Return;
  28 using ::testing::SaveArg;
  29
  30 namespace {
  31 const char* kTestData[4] = {
  32     "Hello, World!",
  33     "Goodbye, World!",
  34     "Hello, Sky!",
  35     "Goodbye, Volcano!",
  36 };
  37 }  // namespace
  38
  39 namespace extensions {
  40 namespace api {
  41 namespace cast_channel {
  42
  43 // Fills in |message| with a string message.
  44 static void CreateStringMessage(const std::string& namespace_,
  45                                 const std::string& source_id,
  46                                 const std::string& destination_id,
  47                                 const std::string& data,
  48                                 MessageInfo* message) {
  49   message->namespace_ = namespace_;
  50   message->source_id = source_id;
  51   message->destination_id = destination_id;
  52   message->data.reset(new base::StringValue(data));
  53 }
  54
  55 // Fills in |message| with a binary message.
  56 static void CreateBinaryMessage(const std::string& namespace_,
  57                                 const std::string& source_id,
  58                                 const std::string& destination_id,
  59                                 const std::string& data,
  60                                 MessageInfo* message) {
  61   message->namespace_ = namespace_;
  62   message->source_id = source_id;
  63   message->destination_id = destination_id;
  64   message->data.reset(base::BinaryValue::CreateWithCopiedBuffer(
  65       data.c_str(), data.size()));
  66 }
  67
  68 class MockCastSocketDelegate : public CastSocket::Delegate {
  69  public:
  70   MOCK_METHOD2(OnError, void(const CastSocket* socket,
  71                              ChannelError error));
  72   MOCK_METHOD2(OnMessage, void(const CastSocket* socket,
  73                                const MessageInfo& message));
  74 };
  75
  76 class MockTCPSocket : public net::TCPClientSocket {
  77  public:
  78   explicit MockTCPSocket(const net::MockConnect& connect_data) :
  79       TCPClientSocket(net::AddressList(), NULL, net::NetLog::Source()),
  80       connect_data_(connect_data) { }
  81
  82   virtual int Connect(const net::CompletionCallback& callback) OVERRIDE {
  83     if (connect_data_.mode == net::ASYNC) {
  84       CHECK_NE(connect_data_.result, net::ERR_IO_PENDING);
  85       base::MessageLoop::current()->PostTask(
  86           FROM_HERE,
  87           base::Bind(callback, connect_data_.result));
  88       return net::ERR_IO_PENDING;
  89     } else {
  90       return connect_data_.result;
  91     }
  92   }
  93
  94   virtual bool SetKeepAlive(bool enable, int delay) OVERRIDE {
  95     // Always return true in tests
  96     return true;
  97   }
  98
  99   virtual bool SetNoDelay(bool no_delay) OVERRIDE {
 100     // Always return true in tests
 101     return true;
 102   }
 103
 104   MOCK_METHOD3(Read,
 105                int(net::IOBuffer*, int, const net::CompletionCallback&));
 106   MOCK_METHOD3(Write,
 107                int(net::IOBuffer*, int, const net::CompletionCallback&));
 108
 109   virtual void Disconnect() OVERRIDE {
 110     // Do nothing in tests
 111   }
 112
 113  private:
 114   net::MockConnect connect_data_;
 115 };
 116
 117 class CompleteHandler {
 118  public:
 119   CompleteHandler() {}
 120   MOCK_METHOD1(OnCloseComplete, void(int result));
 121   MOCK_METHOD1(OnConnectComplete, void(int result));
 122   MOCK_METHOD1(OnWriteComplete, void(int result));
 123  private:
 124   DISALLOW_COPY_AND_ASSIGN(CompleteHandler);
 125 };
 126
 127 class TestCastSocket : public CastSocket {
 128  public:
 129   static scoped_ptr<TestCastSocket> Create(
 130       MockCastSocketDelegate* delegate) {
 131     return scoped_ptr<TestCastSocket>(
 132         new TestCastSocket(delegate, CreateIPEndPoint(),
 133                            CHANNEL_AUTH_TYPE_SSL));
 134   }
 135
 136   static scoped_ptr<TestCastSocket> CreateSecure(
 137       MockCastSocketDelegate* delegate) {
 138     return scoped_ptr<TestCastSocket>(
 139         new TestCastSocket(delegate, CreateIPEndPoint(),
 140                            CHANNEL_AUTH_TYPE_SSL_VERIFIED));
 141   }
 142
 143   explicit TestCastSocket(MockCastSocketDelegate* delegate,
 144                           const net::IPEndPoint& ip_endpoint,
 145                           ChannelAuthType channel_auth) :
 146         CastSocket("abcdefg", ip_endpoint, channel_auth, delegate,
 147                    &capturing_net_log_),
 148       ip_(ip_endpoint),
 149       connect_index_(0),
 150       extract_cert_result_(true),
 151       verify_challenge_result_(true) {
 152   }
 153
 154   static net::IPEndPoint CreateIPEndPoint() {
 155     net::IPAddressNumber number;
 156     number.push_back(192);
 157     number.push_back(0);
 158     number.push_back(0);
 159     number.push_back(1);
 160     return net::IPEndPoint(number, 8009);
 161   }
 162
 163   // Returns the size of the body (in bytes) of the given serialized message.
 164   static size_t ComputeBodySize(const std::string& msg) {
 165     return msg.length() - CastSocket::MessageHeader::header_size();
 166   }
 167
 168   virtual ~TestCastSocket() {
 169   }
 170
 171   // Helpers to set mock results for various operations.
 172   void SetupTcp1Connect(net::IoMode mode, int result) {
 173     tcp_connect_data_[0].reset(new net::MockConnect(mode, result));
 174   }
 175   void SetupSsl1Connect(net::IoMode mode, int result) {
 176     ssl_connect_data_[0].reset(new net::MockConnect(mode, result));
 177   }
 178   void SetupTcp2Connect(net::IoMode mode, int result) {
 179     tcp_connect_data_[1].reset(new net::MockConnect(mode, result));
 180   }
 181   void SetupSsl2Connect(net::IoMode mode, int result) {
 182     ssl_connect_data_[1].reset(new net::MockConnect(mode, result));
 183   }
 184   void AddWriteResult(const net::MockWrite& write) {
 185     writes_.push_back(write);
 186   }
 187   void AddWriteResult(net::IoMode mode, int result) {
 188     AddWriteResult(net::MockWrite(mode, result));
 189   }
 190   void AddWriteResultForMessage(net::IoMode mode, const std::string& msg) {
 191     AddWriteResult(mode, msg.size());
 192   }
 193   void AddWriteResultForMessage(net::IoMode mode,
 194                                 const std::string& msg,
 195                                 size_t ch_size) {
 196     size_t msg_size = msg.size();
 197     for (size_t offset = 0; offset < msg_size; offset += ch_size) {
 198       if (offset + ch_size > msg_size)
 199         ch_size = msg_size - offset;
 200       AddWriteResult(mode, ch_size);
 201     }
 202   }
 203
 204   void AddReadResult(const net::MockRead& read) {
 205     reads_.push_back(read);
 206   }
 207   void AddReadResult(net::IoMode mode, int result) {
 208     AddReadResult(net::MockRead(mode, result));
 209   }
 210   void AddReadResult(net::IoMode mode, const char* data, int data_len) {
 211     AddReadResult(net::MockRead(mode, data, data_len));
 212   }
 213   void AddReadResultForMessage(net::IoMode mode, const std::string& msg) {
 214     size_t body_size = ComputeBodySize(msg);
 215     const char* data = msg.c_str();
 216     AddReadResult(mode, data, MessageHeader::header_size());
 217     AddReadResult(mode, data + MessageHeader::header_size(), body_size);
 218   }
 219   void AddReadResultForMessage(net::IoMode mode,
 220                                const std::string& msg,
 221                                size_t ch_size) {
 222     size_t msg_size = msg.size();
 223     const char* data = msg.c_str();
 224     for (size_t offset = 0; offset < msg_size; offset += ch_size) {
 225       if (offset + ch_size > msg_size)
 226         ch_size = msg_size - offset;
 227       AddReadResult(mode, data + offset, ch_size);
 228     }
 229   }
 230
 231   void SetExtractCertResult(bool value) {
 232     extract_cert_result_ = value;
 233   }
 234   void SetVerifyChallengeResult(bool value) {
 235     verify_challenge_result_ = value;
 236   }
 237
 238  private:
 239   virtual scoped_ptr<net::TCPClientSocket> CreateTcpSocket() OVERRIDE {
 240     net::MockConnect* connect_data = tcp_connect_data_[connect_index_].get();
 241     connect_data->peer_addr = ip_;
 242     return scoped_ptr<net::TCPClientSocket>(new MockTCPSocket(*connect_data));
 243   }
 244
 245   virtual scoped_ptr<net::SSLClientSocket> CreateSslSocket(
 246       scoped_ptr<net::StreamSocket> socket) OVERRIDE {
 247     net::MockConnect* connect_data = ssl_connect_data_[connect_index_].get();
 248     connect_data->peer_addr = ip_;
 249     ++connect_index_;
 250
 251     ssl_data_.reset(new net::StaticSocketDataProvider(
 252         reads_.data(), reads_.size(), writes_.data(), writes_.size()));
 253     ssl_data_->set_connect_data(*connect_data);
 254     // NOTE: net::MockTCPClientSocket inherits from net::SSLClientSocket !!
 255     return scoped_ptr<net::SSLClientSocket>(
 256         new net::MockTCPClientSocket(
 257             net::AddressList(), &capturing_net_log_, ssl_data_.get()));
 258   }
 259
 260   virtual bool ExtractPeerCert(std::string* cert) OVERRIDE {
 261     if (extract_cert_result_)
 262       cert->assign("dummy_test_cert");
 263     return extract_cert_result_;
 264   }
 265
 266   virtual bool VerifyChallengeReply() OVERRIDE {
 267     return verify_challenge_result_;
 268   }
 269
 270   net::CapturingNetLog capturing_net_log_;
 271   net::IPEndPoint ip_;
 272   // Simulated connect data
 273   scoped_ptr<net::MockConnect> tcp_connect_data_[2];
 274   scoped_ptr<net::MockConnect> ssl_connect_data_[2];
 275   // Simulated read / write data
 276   std::vector<net::MockWrite> writes_;
 277   std::vector<net::MockRead> reads_;
 278   scoped_ptr<net::SocketDataProvider> ssl_data_;
 279   // Number of times Connect method is called
 280   size_t connect_index_;
 281   // Simulated result of peer cert extraction.
 282   bool extract_cert_result_;
 283   // Simulated result of verifying challenge reply.
 284   bool verify_challenge_result_;
 285 };
 286
 287 class CastSocketTest : public testing::Test {
 288  public:
 289   CastSocketTest() {}
 290   virtual ~CastSocketTest() {}
 291
 292   virtual void SetUp() OVERRIDE {
 293     // Create a few test messages
 294     for (size_t i = 0; i < arraysize(test_messages_); i++) {
 295       CreateStringMessage("urn:cast", "1", "2", kTestData[i],
 296                           &test_messages_[i]);
 297       ASSERT_TRUE(MessageInfoToCastMessage(
 298           test_messages_[i], &test_protos_[i]));
 299       ASSERT_TRUE(CastSocket::Serialize(test_protos_[i], &test_proto_strs_[i]));
 300     }
 301
 302     // Create a test auth request.
 303     CastMessage request;
 304     CreateAuthChallengeMessage(&request);
 305     ASSERT_TRUE(CastSocket::Serialize(request, &auth_request_));
 306
 307     // Create a test auth reply.
 308     MessageInfo reply;
 309     CreateBinaryMessage("urn:x-cast:com.google.cast.tp.deviceauth",
 310                         "sender-0",
 311                         "receiver-0",
 312                         "abcd",
 313                         &reply);
 314     CastMessage reply_msg;
 315     ASSERT_TRUE(MessageInfoToCastMessage(reply, &reply_msg));
 316     ASSERT_TRUE(CastSocket::Serialize(reply_msg, &auth_reply_));
 317   }
 318
 319   virtual void TearDown() OVERRIDE {
 320     EXPECT_CALL(handler_, OnCloseComplete(net::OK));
 321     socket_->Close(base::Bind(&CompleteHandler::OnCloseComplete,
 322                               base::Unretained(&handler_)));
 323   }
 324
 325   void CreateCastSocket() {
 326     socket_ = TestCastSocket::Create(&mock_delegate_);
 327   }
 328
 329   void CreateCastSocketSecure() {
 330     socket_ = TestCastSocket::CreateSecure(&mock_delegate_);
 331   }
 332
 333   // Sets up CastSocket::Connect to succeed.
 334   // Connecting the socket also starts the read loop; so we add a mock
 335   // read result that returns IO_PENDING and callback is never fired.
 336   void ConnectHelper() {
 337     socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::OK);
 338     socket_->SetupSsl1Connect(net::SYNCHRONOUS, net::OK);
 339     socket_->AddReadResult(net::ASYNC, net::ERR_IO_PENDING);
 340
 341     EXPECT_CALL(handler_, OnConnectComplete(net::OK));
 342     socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 343                                 base::Unretained(&handler_)));
 344     RunPendingTasks();
 345   }
 346
 347  protected:
 348   // Runs all pending tasks in the message loop.
 349   void RunPendingTasks() {
 350     base::RunLoop run_loop;
 351     run_loop.RunUntilIdle();
 352   }
 353
 354   base::MessageLoop message_loop_;
 355   MockCastSocketDelegate mock_delegate_;
 356   scoped_ptr<TestCastSocket> socket_;
 357   CompleteHandler handler_;
 358   MessageInfo test_messages_[arraysize(kTestData)];
 359   CastMessage test_protos_[arraysize(kTestData)];
 360   std::string test_proto_strs_[arraysize(kTestData)];
 361   std::string auth_request_;
 362   std::string auth_reply_;
 363 };
 364
 365 // Tests connecting and closing the socket.
 366 TEST_F(CastSocketTest, TestConnectAndClose) {
 367   CreateCastSocket();
 368   ConnectHelper();
 369   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 370   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 371
 372   EXPECT_CALL(handler_, OnCloseComplete(net::OK));
 373   socket_->Close(base::Bind(&CompleteHandler::OnCloseComplete,
 374                             base::Unretained(&handler_)));
 375   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 376   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 377 }
 378
 379 // Tests that the following connection flow works:
 380 // - TCP connection succeeds (async)
 381 // - SSL connection succeeds (async)
 382 TEST_F(CastSocketTest, TestConnect) {
 383   CreateCastSocket();
 384   socket_->SetupTcp1Connect(net::ASYNC, net::OK);
 385   socket_->SetupSsl1Connect(net::ASYNC, net::OK);
 386   socket_->AddReadResult(net::ASYNC, net::ERR_IO_PENDING);
 387
 388   EXPECT_CALL(handler_, OnConnectComplete(net::OK));
 389   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 390                               base::Unretained(&handler_)));
 391   RunPendingTasks();
 392
 393   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 394   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 395 }
 396
 397 // Test that the following connection flow works:
 398 // - TCP connection succeeds (async)
 399 // - SSL connection fails with cert error (async)
 400 // - Cert is extracted successfully
 401 // - Second TCP connection succeeds (async)
 402 // - Second SSL connection succeeds (async)
 403 TEST_F(CastSocketTest, TestConnectTwoStep) {
 404   CreateCastSocket();
 405   socket_->SetupTcp1Connect(net::ASYNC, net::OK);
 406   socket_->SetupSsl1Connect(net::ASYNC, net::ERR_CERT_AUTHORITY_INVALID);
 407   socket_->SetupTcp2Connect(net::ASYNC, net::OK);
 408   socket_->SetupSsl2Connect(net::ASYNC, net::OK);
 409   socket_->AddReadResult(net::ASYNC, net::ERR_IO_PENDING);
 410
 411   EXPECT_CALL(handler_, OnConnectComplete(net::OK));
 412   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 413                               base::Unretained(&handler_)));
 414   RunPendingTasks();
 415
 416   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 417   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 418 }
 419
 420 // Test that the following connection flow works:
 421 // - TCP connection succeeds (async)
 422 // - SSL connection fails with cert error (async)
 423 // - Cert is extracted successfully
 424 // - Second TCP connection succeeds (async)
 425 // - Second SSL connection fails (async)
 426 // - The flow should NOT be tried again
 427 TEST_F(CastSocketTest, TestConnectMaxTwoAttempts) {
 428   CreateCastSocket();
 429   socket_->SetupTcp1Connect(net::ASYNC, net::OK);
 430   socket_->SetupSsl1Connect(net::ASYNC, net::ERR_CERT_AUTHORITY_INVALID);
 431   socket_->SetupTcp2Connect(net::ASYNC, net::OK);
 432   socket_->SetupSsl2Connect(net::ASYNC, net::ERR_CERT_AUTHORITY_INVALID);
 433
 434   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_CERT_AUTHORITY_INVALID));
 435   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 436                               base::Unretained(&handler_)));
 437   RunPendingTasks();
 438
 439   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 440   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 441 }
 442
 443 // Tests that the following connection flow works:
 444 // - TCP connection succeeds (async)
 445 // - SSL connection fails with cert error (async)
 446 // - Cert is extracted successfully
 447 // - Second TCP connection succeeds (async)
 448 // - Second SSL connection succeeds (async)
 449 // - Challenge request is sent (async)
 450 // - Challenge response is received (async)
 451 // - Credentials are verified successfuly
 452 TEST_F(CastSocketTest, TestConnectFullSecureFlowAsync) {
 453   CreateCastSocketSecure();
 454
 455   socket_->SetupTcp1Connect(net::ASYNC, net::OK);
 456   socket_->SetupSsl1Connect(net::ASYNC, net::ERR_CERT_AUTHORITY_INVALID);
 457   socket_->SetupTcp2Connect(net::ASYNC, net::OK);
 458   socket_->SetupSsl2Connect(net::ASYNC, net::OK);
 459   socket_->AddWriteResultForMessage(net::ASYNC, auth_request_);
 460   socket_->AddReadResultForMessage(net::ASYNC, auth_reply_);
 461   socket_->AddReadResult(net::ASYNC, net::ERR_IO_PENDING);
 462
 463   EXPECT_CALL(handler_, OnConnectComplete(net::OK));
 464   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 465                               base::Unretained(&handler_)));
 466   RunPendingTasks();
 467
 468   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 469   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 470 }
 471
 472 // Same as TestFullSecureConnectionFlowAsync, but operations are synchronous.
 473 TEST_F(CastSocketTest, TestConnectFullSecureFlowSync) {
 474   CreateCastSocketSecure();
 475
 476   socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::OK);
 477   socket_->SetupSsl1Connect(net::SYNCHRONOUS, net::ERR_CERT_AUTHORITY_INVALID);
 478   socket_->SetupTcp2Connect(net::SYNCHRONOUS, net::OK);
 479   socket_->SetupSsl2Connect(net::SYNCHRONOUS, net::OK);
 480   socket_->AddWriteResultForMessage(net::SYNCHRONOUS, auth_request_);
 481   socket_->AddReadResultForMessage(net::SYNCHRONOUS, auth_reply_);
 482   socket_->AddReadResult(net::ASYNC, net::ERR_IO_PENDING);
 483
 484   EXPECT_CALL(handler_, OnConnectComplete(net::OK));
 485   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 486                               base::Unretained(&handler_)));
 487   RunPendingTasks();
 488
 489   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 490   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 491 }
 492
 493 // Test connection error - TCP connect fails (async)
 494 TEST_F(CastSocketTest, TestConnectTcpConnectErrorAsync) {
 495   CreateCastSocketSecure();
 496
 497   socket_->SetupTcp1Connect(net::ASYNC, net::ERR_FAILED);
 498
 499   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_FAILED));
 500   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 501                               base::Unretained(&handler_)));
 502   RunPendingTasks();
 503
 504   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 505   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 506 }
 507
 508 // Test connection error - TCP connect fails (sync)
 509 TEST_F(CastSocketTest, TestConnectTcpConnectErrorSync) {
 510   CreateCastSocketSecure();
 511
 512   socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::ERR_FAILED);
 513
 514   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_FAILED));
 515   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 516                               base::Unretained(&handler_)));
 517   RunPendingTasks();
 518
 519   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 520   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 521 }
 522
 523 // Test connection error - SSL connect fails (async)
 524 TEST_F(CastSocketTest, TestConnectSslConnectErrorAsync) {
 525   CreateCastSocketSecure();
 526
 527   socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::OK);
 528   socket_->SetupSsl1Connect(net::SYNCHRONOUS, net::ERR_FAILED);
 529
 530   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_FAILED));
 531   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 532                               base::Unretained(&handler_)));
 533   RunPendingTasks();
 534
 535   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 536   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 537 }
 538
 539 // Test connection error - SSL connect fails (async)
 540 TEST_F(CastSocketTest, TestConnectSslConnectErrorSync) {
 541   CreateCastSocketSecure();
 542
 543   socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::OK);
 544   socket_->SetupSsl1Connect(net::ASYNC, net::ERR_FAILED);
 545
 546   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_FAILED));
 547   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 548                               base::Unretained(&handler_)));
 549   RunPendingTasks();
 550
 551   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 552   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 553 }
 554
 555 // Test connection error - cert extraction error (async)
 556 TEST_F(CastSocketTest, TestConnectCertExtractionErrorAsync) {
 557   CreateCastSocket();
 558   socket_->SetupTcp1Connect(net::ASYNC, net::OK);
 559   socket_->SetupSsl1Connect(net::ASYNC, net::ERR_CERT_AUTHORITY_INVALID);
 560   // Set cert extraction to fail
 561   socket_->SetExtractCertResult(false);
 562
 563   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_CERT_AUTHORITY_INVALID));
 564   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 565                               base::Unretained(&handler_)));
 566   RunPendingTasks();
 567
 568   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 569   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 570 }
 571
 572 // Test connection error - cert extraction error (sync)
 573 TEST_F(CastSocketTest, TestConnectCertExtractionErrorSync) {
 574   CreateCastSocket();
 575   socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::OK);
 576   socket_->SetupSsl1Connect(net::SYNCHRONOUS, net::ERR_CERT_AUTHORITY_INVALID);
 577   // Set cert extraction to fail
 578   socket_->SetExtractCertResult(false);
 579
 580   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_CERT_AUTHORITY_INVALID));
 581   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 582                               base::Unretained(&handler_)));
 583   RunPendingTasks();
 584
 585   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 586   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 587 }
 588
 589 // Test connection error - challenge send fails
 590 TEST_F(CastSocketTest, TestConnectChallengeSendError) {
 591   CreateCastSocketSecure();
 592
 593   socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::OK);
 594   socket_->SetupSsl1Connect(net::SYNCHRONOUS, net::OK);
 595   socket_->AddWriteResult(net::SYNCHRONOUS, net::ERR_FAILED);
 596
 597   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_FAILED));
 598   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 599                               base::Unretained(&handler_)));
 600   RunPendingTasks();
 601
 602   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 603   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 604 }
 605
 606 // Test connection error - challenge reply receive fails
 607 TEST_F(CastSocketTest, TestConnectChallengeReplyReceiveError) {
 608   CreateCastSocketSecure();
 609
 610   socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::OK);
 611   socket_->SetupSsl1Connect(net::SYNCHRONOUS, net::OK);
 612   socket_->AddWriteResultForMessage(net::ASYNC, auth_request_);
 613   socket_->AddReadResult(net::SYNCHRONOUS, net::ERR_FAILED);
 614
 615   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_FAILED));
 616   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 617                               base::Unretained(&handler_)));
 618   RunPendingTasks();
 619
 620   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 621   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 622 }
 623
 624 // Test connection error - challenge reply verification fails
 625 TEST_F(CastSocketTest, TestConnectChallengeVerificationFails) {
 626   CreateCastSocketSecure();
 627
 628   socket_->SetupTcp1Connect(net::SYNCHRONOUS, net::OK);
 629   socket_->SetupSsl1Connect(net::SYNCHRONOUS, net::OK);
 630   socket_->AddWriteResultForMessage(net::ASYNC, auth_request_);
 631   socket_->AddReadResultForMessage(net::ASYNC, auth_reply_);
 632   socket_->AddReadResult(net::ASYNC, net::ERR_IO_PENDING);
 633   socket_->SetVerifyChallengeResult(false);
 634
 635   EXPECT_CALL(handler_, OnConnectComplete(net::ERR_FAILED));
 636   socket_->Connect(base::Bind(&CompleteHandler::OnConnectComplete,
 637                               base::Unretained(&handler_)));
 638   RunPendingTasks();
 639
 640   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 641   EXPECT_EQ(cast_channel::CHANNEL_ERROR_CONNECT_ERROR, socket_->error_state());
 642 }
 643
 644 // Test write success - single message (async)
 645 TEST_F(CastSocketTest, TestWriteAsync) {
 646   CreateCastSocket();
 647   socket_->AddWriteResultForMessage(net::ASYNC, test_proto_strs_[0]);
 648   ConnectHelper();
 649
 650   EXPECT_CALL(handler_, OnWriteComplete(test_proto_strs_[0].size()));
 651   socket_->SendMessage(test_messages_[0],
 652                        base::Bind(&CompleteHandler::OnWriteComplete,
 653                                   base::Unretained(&handler_)));
 654   RunPendingTasks();
 655
 656   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 657   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 658 }
 659
 660 // Test write success - single message (sync)
 661 TEST_F(CastSocketTest, TestWriteSync) {
 662   CreateCastSocket();
 663   socket_->AddWriteResultForMessage(net::SYNCHRONOUS, test_proto_strs_[0]);
 664   ConnectHelper();
 665
 666   EXPECT_CALL(handler_, OnWriteComplete(test_proto_strs_[0].size()));
 667   socket_->SendMessage(test_messages_[0],
 668                        base::Bind(&CompleteHandler::OnWriteComplete,
 669                                   base::Unretained(&handler_)));
 670   RunPendingTasks();
 671
 672   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 673   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 674 }
 675
 676 // Test write success - single message sent in multiple chunks (async)
 677 TEST_F(CastSocketTest, TestWriteChunkedAsync) {
 678   CreateCastSocket();
 679   socket_->AddWriteResultForMessage(net::ASYNC, test_proto_strs_[0], 2);
 680   ConnectHelper();
 681
 682   EXPECT_CALL(handler_, OnWriteComplete(test_proto_strs_[0].size()));
 683   socket_->SendMessage(test_messages_[0],
 684                        base::Bind(&CompleteHandler::OnWriteComplete,
 685                                   base::Unretained(&handler_)));
 686   RunPendingTasks();
 687
 688   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 689   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 690 }
 691
 692 // Test write success - single message sent in multiple chunks (sync)
 693 TEST_F(CastSocketTest, TestWriteChunkedSync) {
 694   CreateCastSocket();
 695   socket_->AddWriteResultForMessage(net::SYNCHRONOUS, test_proto_strs_[0], 2);
 696   ConnectHelper();
 697
 698   EXPECT_CALL(handler_, OnWriteComplete(test_proto_strs_[0].size()));
 699   socket_->SendMessage(test_messages_[0],
 700                        base::Bind(&CompleteHandler::OnWriteComplete,
 701                                   base::Unretained(&handler_)));
 702   RunPendingTasks();
 703
 704   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 705   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 706 }
 707
 708 // Test write success - multiple messages (async)
 709 TEST_F(CastSocketTest, TestWriteManyAsync) {
 710   CreateCastSocket();
 711   for (size_t i = 0; i < arraysize(test_messages_); i++) {
 712     size_t msg_size = test_proto_strs_[i].size();
 713     socket_->AddWriteResult(net::ASYNC, msg_size);
 714     EXPECT_CALL(handler_, OnWriteComplete(msg_size));
 715   }
 716   ConnectHelper();
 717
 718   for (size_t i = 0; i < arraysize(test_messages_); i++) {
 719     socket_->SendMessage(test_messages_[i],
 720                          base::Bind(&CompleteHandler::OnWriteComplete,
 721                                     base::Unretained(&handler_)));
 722   }
 723   RunPendingTasks();
 724
 725   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 726   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 727 }
 728
 729 // Test write success - multiple messages (sync)
 730 TEST_F(CastSocketTest, TestWriteManySync) {
 731   CreateCastSocket();
 732   for (size_t i = 0; i < arraysize(test_messages_); i++) {
 733     size_t msg_size = test_proto_strs_[i].size();
 734     socket_->AddWriteResult(net::SYNCHRONOUS, msg_size);
 735     EXPECT_CALL(handler_, OnWriteComplete(msg_size));
 736   }
 737   ConnectHelper();
 738
 739   for (size_t i = 0; i < arraysize(test_messages_); i++) {
 740     socket_->SendMessage(test_messages_[i],
 741                          base::Bind(&CompleteHandler::OnWriteComplete,
 742                                     base::Unretained(&handler_)));
 743   }
 744   RunPendingTasks();
 745
 746   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 747   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 748 }
 749
 750 // Test write error - not connected
 751 TEST_F(CastSocketTest, TestWriteErrorNotConnected) {
 752   CreateCastSocket();
 753
 754   EXPECT_CALL(handler_, OnWriteComplete(net::ERR_FAILED));
 755   socket_->SendMessage(test_messages_[0],
 756                        base::Bind(&CompleteHandler::OnWriteComplete,
 757                                   base::Unretained(&handler_)));
 758
 759   EXPECT_EQ(cast_channel::READY_STATE_NONE, socket_->ready_state());
 760   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 761 }
 762
 763 // Test write error - very large message
 764 TEST_F(CastSocketTest, TestWriteErrorLargeMessage) {
 765   CreateCastSocket();
 766   ConnectHelper();
 767
 768   EXPECT_CALL(handler_, OnWriteComplete(net::ERR_FAILED));
 769   size_t size = CastSocket::MessageHeader::max_message_size() + 1;
 770   test_messages_[0].data.reset(
 771       new base::StringValue(std::string(size, 'a')));
 772   socket_->SendMessage(test_messages_[0],
 773                        base::Bind(&CompleteHandler::OnWriteComplete,
 774                                   base::Unretained(&handler_)));
 775
 776   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 777   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 778
 779 }
 780
 781 // Test write error - network error (sync)
 782 TEST_F(CastSocketTest, TestWriteNetworkErrorSync) {
 783   CreateCastSocket();
 784   socket_->AddWriteResult(net::SYNCHRONOUS, net::ERR_FAILED);
 785   ConnectHelper();
 786
 787   EXPECT_CALL(handler_, OnWriteComplete(net::ERR_FAILED));
 788   EXPECT_CALL(mock_delegate_,
 789               OnError(socket_.get(), cast_channel::CHANNEL_ERROR_SOCKET_ERROR));
 790   socket_->SendMessage(test_messages_[0],
 791                        base::Bind(&CompleteHandler::OnWriteComplete,
 792                                   base::Unretained(&handler_)));
 793   RunPendingTasks();
 794
 795   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 796   EXPECT_EQ(cast_channel::CHANNEL_ERROR_SOCKET_ERROR, socket_->error_state());
 797 }
 798
 799 // Test write error - network error (async)
 800 TEST_F(CastSocketTest, TestWriteErrorAsync) {
 801   CreateCastSocket();
 802   socket_->AddWriteResult(net::ASYNC, net::ERR_FAILED);
 803   ConnectHelper();
 804
 805   EXPECT_CALL(handler_, OnWriteComplete(net::ERR_FAILED));
 806   EXPECT_CALL(mock_delegate_,
 807               OnError(socket_.get(), cast_channel::CHANNEL_ERROR_SOCKET_ERROR));
 808   socket_->SendMessage(test_messages_[0],
 809                        base::Bind(&CompleteHandler::OnWriteComplete,
 810                                   base::Unretained(&handler_)));
 811   RunPendingTasks();
 812
 813   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 814   EXPECT_EQ(cast_channel::CHANNEL_ERROR_SOCKET_ERROR, socket_->error_state());
 815 }
 816
 817 // Test write error - 0 bytes written should be considered an error
 818 TEST_F(CastSocketTest, TestWriteErrorZeroBytesWritten) {
 819   CreateCastSocket();
 820   socket_->AddWriteResult(net::SYNCHRONOUS, 0);
 821   ConnectHelper();
 822
 823   EXPECT_CALL(handler_, OnWriteComplete(net::ERR_FAILED));
 824   EXPECT_CALL(mock_delegate_,
 825               OnError(socket_.get(), cast_channel::CHANNEL_ERROR_SOCKET_ERROR));
 826   socket_->SendMessage(test_messages_[0],
 827                        base::Bind(&CompleteHandler::OnWriteComplete,
 828                                   base::Unretained(&handler_)));
 829   RunPendingTasks();
 830
 831   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 832   EXPECT_EQ(cast_channel::CHANNEL_ERROR_SOCKET_ERROR, socket_->error_state());
 833 }
 834
 835 // Test that when an error occurrs in one write, write callback is invoked for
 836 // all pending writes with the error
 837 TEST_F(CastSocketTest, TestWriteErrorWithMultiplePendingWritesAsync) {
 838   CreateCastSocket();
 839   socket_->AddWriteResult(net::ASYNC, net::ERR_SOCKET_NOT_CONNECTED);
 840   ConnectHelper();
 841
 842   const int num_writes = arraysize(test_messages_);
 843   EXPECT_CALL(handler_, OnWriteComplete(net::ERR_SOCKET_NOT_CONNECTED))
 844       .Times(num_writes);
 845   EXPECT_CALL(mock_delegate_,
 846               OnError(socket_.get(), cast_channel::CHANNEL_ERROR_SOCKET_ERROR));
 847   for (int i = 0; i < num_writes; i++) {
 848     socket_->SendMessage(test_messages_[i],
 849                          base::Bind(&CompleteHandler::OnWriteComplete,
 850                                     base::Unretained(&handler_)));
 851   }
 852   RunPendingTasks();
 853
 854   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 855   EXPECT_EQ(cast_channel::CHANNEL_ERROR_SOCKET_ERROR, socket_->error_state());
 856 }
 857
 858 // Test read success - single message (async)
 859 TEST_F(CastSocketTest, TestReadAsync) {
 860   CreateCastSocket();
 861   socket_->AddReadResultForMessage(net::ASYNC, test_proto_strs_[0]);
 862   EXPECT_CALL(mock_delegate_,
 863               OnMessage(socket_.get(), A<const MessageInfo&>()));
 864   ConnectHelper();
 865
 866   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 867   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 868 }
 869
 870 // Test read success - single message (sync)
 871 TEST_F(CastSocketTest, TestReadSync) {
 872   CreateCastSocket();
 873   socket_->AddReadResultForMessage(net::SYNCHRONOUS, test_proto_strs_[0]);
 874   EXPECT_CALL(mock_delegate_,
 875               OnMessage(socket_.get(), A<const MessageInfo&>()));
 876   ConnectHelper();
 877
 878   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 879   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 880 }
 881
 882 // Test read success - single message received in multiple chunks (async)
 883 TEST_F(CastSocketTest, TestReadChunkedAsync) {
 884   CreateCastSocket();
 885   socket_->AddReadResultForMessage(net::ASYNC, test_proto_strs_[0], 2);
 886   EXPECT_CALL(mock_delegate_,
 887               OnMessage(socket_.get(), A<const MessageInfo&>()));
 888   ConnectHelper();
 889
 890   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 891   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 892 }
 893
 894 // Test read success - single message received in multiple chunks (sync)
 895 TEST_F(CastSocketTest, TestReadChunkedSync) {
 896   CreateCastSocket();
 897   socket_->AddReadResultForMessage(net::SYNCHRONOUS, test_proto_strs_[0], 2);
 898   EXPECT_CALL(mock_delegate_,
 899               OnMessage(socket_.get(), A<const MessageInfo&>()));
 900   ConnectHelper();
 901
 902   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 903   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 904 }
 905
 906 // Test read success - multiple messages (async)
 907 TEST_F(CastSocketTest, TestReadManyAsync) {
 908   CreateCastSocket();
 909   size_t num_reads = arraysize(test_proto_strs_);
 910   for (size_t i = 0; i < num_reads; i++)
 911     socket_->AddReadResultForMessage(net::ASYNC, test_proto_strs_[i]);
 912   EXPECT_CALL(mock_delegate_,
 913               OnMessage(socket_.get(), A<const MessageInfo&>()))
 914       .Times(num_reads);
 915   ConnectHelper();
 916
 917   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 918   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 919 }
 920
 921 // Test read success - multiple messages (sync)
 922 TEST_F(CastSocketTest, TestReadManySync) {
 923   CreateCastSocket();
 924   size_t num_reads = arraysize(test_proto_strs_);
 925   for (size_t i = 0; i < num_reads; i++)
 926     socket_->AddReadResultForMessage(net::SYNCHRONOUS, test_proto_strs_[i]);
 927   EXPECT_CALL(mock_delegate_,
 928               OnMessage(socket_.get(), A<const MessageInfo&>()))
 929       .Times(num_reads);
 930   ConnectHelper();
 931
 932   EXPECT_EQ(cast_channel::READY_STATE_OPEN, socket_->ready_state());
 933   EXPECT_EQ(cast_channel::CHANNEL_ERROR_NONE, socket_->error_state());
 934 }
 935
 936 // Test read error - network error (async)
 937 TEST_F(CastSocketTest, TestReadErrorAsync) {
 938   CreateCastSocket();
 939   socket_->AddReadResult(net::ASYNC, net::ERR_SOCKET_NOT_CONNECTED);
 940   EXPECT_CALL(mock_delegate_,
 941               OnError(socket_.get(),
 942                       cast_channel::CHANNEL_ERROR_SOCKET_ERROR));
 943   ConnectHelper();
 944
 945   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 946   EXPECT_EQ(cast_channel::CHANNEL_ERROR_SOCKET_ERROR, socket_->error_state());
 947 }
 948
 949 // Test read error - network error (sync)
 950 TEST_F(CastSocketTest, TestReadErrorSync) {
 951   CreateCastSocket();
 952   socket_->AddReadResult(net::SYNCHRONOUS, net::ERR_SOCKET_NOT_CONNECTED);
 953   EXPECT_CALL(mock_delegate_,
 954               OnError(socket_.get(),
 955                       cast_channel::CHANNEL_ERROR_SOCKET_ERROR));
 956   ConnectHelper();
 957
 958   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 959   EXPECT_EQ(cast_channel::CHANNEL_ERROR_SOCKET_ERROR, socket_->error_state());
 960 }
 961
 962 // Test read error - header parse error
 963 TEST_F(CastSocketTest, TestReadHeaderParseError) {
 964   CreateCastSocket();
 965   uint32 body_size = base::HostToNet32(
 966       CastSocket::MessageHeader::max_message_size() + 1);
 967   // TODO(munjal): Add a method to cast_message_util.h to serialize messages
 968   char header[sizeof(body_size)];
 969   memcpy(&header, &body_size, arraysize(header));
 970   socket_->AddReadResult(net::SYNCHRONOUS, header, arraysize(header));
 971   EXPECT_CALL(mock_delegate_,
 972               OnError(socket_.get(),
 973                       cast_channel::CHANNEL_ERROR_INVALID_MESSAGE));
 974   ConnectHelper();
 975
 976   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 977   EXPECT_EQ(cast_channel::CHANNEL_ERROR_INVALID_MESSAGE,
 978             socket_->error_state());
 979 }
 980
 981 // Test read error - body parse error
 982 TEST_F(CastSocketTest, TestReadBodyParseError) {
 983   CreateCastSocket();
 984   char body[] = "some body";
 985   uint32 body_size = base::HostToNet32(arraysize(body));
 986   char header[sizeof(body_size)];
 987   memcpy(&header, &body_size, arraysize(header));
 988   socket_->AddReadResult(net::SYNCHRONOUS, header, arraysize(header));
 989   socket_->AddReadResult(net::SYNCHRONOUS, body, arraysize(body));
 990   EXPECT_CALL(mock_delegate_,
 991               OnError(socket_.get(),
 992                       cast_channel::CHANNEL_ERROR_INVALID_MESSAGE));
 993   ConnectHelper();
 994
 995   EXPECT_EQ(cast_channel::READY_STATE_CLOSED, socket_->ready_state());
 996   EXPECT_EQ(cast_channel::CHANNEL_ERROR_INVALID_MESSAGE,
 997             socket_->error_state());
 998 }
 999
1000 }  // namespace cast_channel
1001 }  // namespace api
1002 }  // namespace extensions