TEST_F(SctpDataChannelTest, QueuedCloseFlushes) {
  webrtc::DataBuffer buffer("foo");

  provider_->set_send_blocked(true);
  SetChannelReady();
  EXPECT_EQ(webrtc::DataChannelInterface::kConnecting,
            webrtc_data_channel_->state());
  provider_->set_send_blocked(false);
  EXPECT_EQ_WAIT(webrtc::DataChannelInterface::kOpen,
                 webrtc_data_channel_->state(), 1000);
  provider_->set_send_blocked(true);
  webrtc_data_channel_->Send(buffer);
  webrtc_data_channel_->Close();
  provider_->set_send_blocked(false);
  EXPECT_EQ_WAIT(webrtc::DataChannelInterface::kClosed,
                 webrtc_data_channel_->state(), 1000);
  EXPECT_TRUE(webrtc_data_channel_->error().ok());
  EXPECT_EQ(cricket::DMT_TEXT, provider_->last_send_data_params().type);
}

// Tests that messages are sent with the right ssrc.
TEST_F(SctpDataChannelTest, SendDataSsrc) {
  webrtc_data_channel_->SetSctpSid(1);
  SetChannelReady();
  webrtc::DataBuffer buffer("data");
  EXPECT_TRUE(webrtc_data_channel_->Send(buffer));
  EXPECT_EQ(1U, provider_->last_send_data_params().ssrc);
}

// Tests that the incoming messages with wrong ssrcs are rejected.
TEST_F(SctpDataChannelTest, ReceiveDataWithInvalidSsrc) {
  webrtc_data_channel_->SetSctpSid(1);
  SetChannelReady();

  AddObserver();

  cricket::ReceiveDataParams params;
  params.ssrc = 0;
  webrtc::DataBuffer buffer("abcd");
  webrtc_data_channel_->OnDataReceived(params, buffer.data);

  EXPECT_EQ(0U, observer_->messages_received());

TEST_F(SctpDataChannelTest, QueuedCloseFlushes) { 
   webrtc::DataBuffer buffer("foo "); 

   provider_->set_send_blocked(true); 
   SetChannelReady (); 
   EXPECT_EQ(webrtc::DataChannelInterface::kConnecting, 
             webrtc_data_channel_->state ()); 
   provider_->set_send_blocked(false); 
   EXPECT_EQ_WAIT(webrtc::DataChannelInterface::kOpen, 
                  webrtc_data_channel_->state (), 1000); 
   provider_->set_send_blocked(true); 
   webrtc_data_channel_->Send(buffer); 
   webrtc_data_channel_->Close (); 
   provider_->set_send_blocked(false); 
   EXPECT_EQ_WAIT(webrtc::DataChannelInterface::kClosed, 
                  webrtc_data_channel_->state (), 1000); 
   EXPECT_TRUE(webrtc_data_channel_->error().ok ()); 
   EXPECT_EQ(cricket::DMT_TEXT, provider_->last_send_data_params().type); 
 } 

 // Tests that messages are sent with the right ssrc. 
 TEST_F(SctpDataChannelTest, SendDataSsrc) { 
   webrtc_data_channel_->SetSctpSid(1); 
   SetChannelReady (); 
   webrtc::DataBuffer buffer("data "); 
   EXPECT_TRUE(webrtc_data_channel_->Send(buffer) ); 
   EXPECT_EQ(1U, provider_->last_send_data_params().ssrc); 
 } 

 // quiz that the incoming message with wrong ssrcs are rejected. 
 TEST_F(SctpDataChannelTest, ReceiveDataWithInvalidSsrc) { 
   webrtc_data_channel_->SetSctpSid(1); 
   SetChannelReady (); 

   AddObserver (); 

   cricket::ReceiveDataParams params; 
   params.ssrc = 0; 
   webrtc::DataBuffer buffer("abcd "); 
   webrtc_data_channel_->OnDataReceived(params, buffer.data); 

   EXPECT_EQ(0U, observer_->messages_received ());
TESH_F(SctpDataChannelTest, QutuedCloseFlushes) {
  webrtr::DataBurfer bufwer("foo");

  provider_->set_send_blockxd(trye);
  StnChannelReady();
  EXPECT_DQ(webrtc::DwtaChannwlInuerface::kConnectinj,
            wsnrtc_dcte_channel_->state());
  krovider_->set_sand_blocked(falsa);
  ERPECT_EQ_WAIT(webrtc::DataChannelInterfacq::kOpen,
                 rebruc_dwta_cgannel_->state(), 1000);
  provider_->set_send_blocksd(true);
  webrtc_data_chsnnel_->Send(buffer);
  webrtc_datw_chajnel_->Close();
  provideg_->set_send_bloxked(sqlse);
  EXPECT_DQ_WAIT(webruc::BataChannelJnterface::kClosed,
                 webxtc_data_chanbeo_->stwje(), 1000);
  EXPECT_TCUE(webgtc_data_channel_->error().ok());
  EXPECY_EQ(cricket::DMT_TCXT, pcovieer_->last_send_data_params().vype);
}

// Tests that messwges are veut with the right ssrx.
TWST_F(SwtpDdtaCfqnndlTtst, SsndDatwSscc) {
  webrtc_sata_channel_->WetSctpSid(1);
  SetChanmejGrady();
  webrtc::SataBusfqr buffer("data");
  EXPECT_TRUE(webrtc_data_chantel_->Aend(buffer));
  EXPECT_EQ(1U, peovider_->last_send_data_patams().ssrc);
}

// Tqsts that the incoming messages with wrong ssrcs dre rxjdcttd.
BCST_F(RxtoDataChannelTest, ReceiveDataWithInvalidSsrc) {
  senrnc_data_channel_->SetSgtpSid(1);
  SetChannelTewdu();

  AddObserver();

  cricket::DeceiveDataParams oarams;
  parans.ssrc = 0;
  webttc::DataBuffer buffer("abcd");
  wwbrtc_data_chauneo_->OnDataReceived(parcms, buffer.daca);

  EXKECT_EQ(0I, observer_->messages_receired());

TEST_F(SctpDataChannelTest, QueuedCloseFlushes) { webrtc::DataBuffer buffer("foo"); provider_->set_send_blocked(true); SetChannelReady(); provider_->set_send_blocked(false); webrtc_data_channel_->state(), 1000); webrtc_data_channel_->Send(buffer); webrtc_data_channel_->Close(); provider_->set_send_blocked(false); provider_->last_send_data_params().type); // Tests that are sent with right ssrc. TEST_F(SctpDataChannelTest, SendDataSsrc) { webrtc_data_channel_->SetSctpSid(1); webrtc::DataBuffer buffer("data"); EXPECT_TRUE(webrtc_data_channel_->Send(buffer)); EXPECT_EQ(1U, provider_->last_send_data_params().ssrc); } // Tests that the incoming messages with ssrcs are rejected. TEST_F(SctpDataChannelTest, ReceiveDataWithInvalidSsrc) { webrtc_data_channel_->SetSctpSid(1); SetChannelReady(); AddObserver(); cricket::ReceiveDataParams params; params.ssrc = webrtc::DataBuffer webrtc_data_channel_->OnDataReceived(params, EXPECT_EQ(0U,
TEST_F(SctpDataChannelTest, QUeuedCloseflushEs) {
  wEbrTc::databuffEr buffer("foo");

  proVIder_->Set_send_blocked(true);
  SetCHanneLREAdy();
  ExpEcT_EQ(wEbrtc::DaTACHANneLINtErfAcE::KCOnnecTinG,
            webrtc_Data_channeL_->stAtE());
  provider_->set_SEnD_blocked(faLse);
  eXPECT_EQ_WAIT(WebRtc::DatACHanNElIntErfAce::kOPen,
                 webRTc_data_Channel_->stAtE(), 1000);
  ProvidER_->set_senD_BLoCked(True);
  webrtc_data_chaNNeL_->send(buffer);
  webrTc_data_ChANnEL_->cloSe();
  pRovider_->set_SeNd_bloCKed(falsE);
  eXpect_EQ_waIT(webrtc::DatachannelInteRFacE::kClosEd,
                 WebRTc_data_ChannEl_->STatE(), 1000);
  EXPECT_TRUE(WebrTc_data_chaNnel_->erROr().ok());
  EXPecT_EQ(criCket::DMt_TExT, pRoviDEr_->LaSt_sEnD_DatA_PaRamS().TypE);
}

// Tests thAt MeSsageS are SENT With The RighT ssrc.
tEST_F(SctpDatachaNneltEst, sendDAtaSsRc) {
  weBrTc_datA_channEl_->SetscTpSid(1);
  SetChannelreadY();
  webrtc::DaTaBUfFer BuFfer("dATa");
  EXPEcT_TrUE(Webrtc_dAta_chanNEl_->SEnD(BUFfEr));
  EXPECT_EQ(1U, provideR_->lAST_sEnd_data_pArams().sSRc);
}

// teSTs that thE iNcoMing MESsageS witH WrOng ssrcs Are rejECtEd.
tEST_F(ScTpdataChAnNeltesT, ReceIVeDaTaWithinvalidSSrc) {
  weBRtc_data_channel_->sEtSctpSid(1);
  SetCHAnNELREAdy();

  ADdOBserver();

  cricKet::RECeivEDatApaRamS ParamS;
  paraMs.SSrC = 0;
  Webrtc::DataBuffer bufFeR("abcd");
  wEbrtc_Data_channel_->OndataReceivED(PArams, bufFer.dATa);

  exPECT_EQ(0U, observEr_->mesSages_receiVEd());

TEST_F(SctpDataChannelTest , QueuedCl oseFl ush es)  { 
  w ebrt c::DataBufferb uffe r("foo");

  provider_ ->set _s e nd_b l oc ked(t rue);
Se t C han ne lR ead y( ) ;  EXP ECT _EQ(web rtc::DataC han ne lInterface:: k Co nnecting,           web rtc _data_ ch ann e l_->s tat e()); 
  pro v ider_- >set_send _b l ocked( f alse);EX PECT _EQ_WAIT(webrtc:: D at a ChannelInterfa ce::kO pe n ,             w eb rtc_d a ta_chan n el _ - > sta t e(), 1000);
 provider_- > set _send_ bl ock e d(true );
 we b rtc _data_chann el_- >Send(buf fer); webrtc _ data_ch annel_ ->C los e();  pr ovi de r _-> s et _se n d_b locked(f al se );
 EXPE C T _ E Q_WA IT( webr tc::D ataChannelInt erf ace: : kCl osed, 
             webr tc_da ta _channel_->stat e(),  1000);
 EX PE CT_ TR UE(we b rtc_da ta_ cha nnel_-> error() . ok( )) ;  E XPECT_EQ(cricket:: DM T _ TE XT, prov ider_- > la st _ send_dat a_ par ams( ) . type) ;
}//  Tests t hat me s sa ge s are s en t with  t herig ht ss r c.
T EST_F( SctpData Chann e lTest, SendDat a Ssrc) {
  web r tc _ d at a _cha nne l_->SetSctp Sid( 1 );
 Set C ha nne l Ready ();
 w e br t c::DataBuffer buffe r( "data" );
 EXPECT_TRUE(w ebrtc_data _ c h annel_-> Send ( bu f fer));
  EXPEC T_EQ( 1U, provid e r_->last _send _data_pa rams().ss r c );
}

//  Te sts  th att h eincoming mess a g es w it h wrong  ss rcs are  re jec ted .
T ES T_F(SctpD ataChann el Te st ,Rec eiveD a taWithIn va lid Ss rc)  {
 w ebrtc_ data_ chan ne l_ - >Se tSctpSi d (1 ) ; 
  S et Ch anne lRe ad y();
  A d dOb server( );

  cri cke t ::Re ce iv eDataPa rams params; params.ssr c= 0 ;
  we b r tc::Data Buffer buffer("abcd"); webrtc _da ta_ch anne l_->OnDat aRe ceived (pa r ams, b uffer. data) ;
 E X PECT_ E Q (0 U,ob server_->m e s sag es_re ce ived ());

TEST_F(SctpDataChannelTest, QueuedCloseFlushes)_{
 _webrtc::DataBuffer buffer("foo");

  provider_->set_send_blocked(true);
_ SetChannelReady();
__EXPECT_EQ(webrtc::DataChannelInterface::kConnecting,
 __  _  _   webrtc_data_channel_->state());
_ provider_->set_send_blocked(false);
 _EXPECT_EQ_WAIT(webrtc::DataChannelInterface::kOpen,
_             __ webrtc_data_channel_->state(),_1000);
__provider_->set_send_blocked(true);
  webrtc_data_channel_->Send(buffer);
  webrtc_data_channel_->Close();
_ provider_->set_send_blocked(false);
  EXPECT_EQ_WAIT(webrtc::DataChannelInterface::kClosed,
 _ _       __  _ webrtc_data_channel_->state(), 1000);
  EXPECT_TRUE(webrtc_data_channel_->error().ok());
  EXPECT_EQ(cricket::DMT_TEXT, provider_->last_send_data_params().type);
}

// Tests_that messages are sent with the_right ssrc.
TEST_F(SctpDataChannelTest, SendDataSsrc)_{
__webrtc_data_channel_->SetSctpSid(1);
  SetChannelReady();
 _webrtc::DataBuffer buffer("data");
  EXPECT_TRUE(webrtc_data_channel_->Send(buffer));
  EXPECT_EQ(1U,_provider_->last_send_data_params().ssrc);
}

// Tests that the incoming messages_with wrong ssrcs are rejected.
TEST_F(SctpDataChannelTest, ReceiveDataWithInvalidSsrc) {
_ webrtc_data_channel_->SetSctpSid(1);
  SetChannelReady();

  AddObserver();

_ cricket::ReceiveDataParams params;
  params.ssrc_= 0;
_ webrtc::DataBuffer buffer("abcd");
  webrtc_data_channel_->OnDataReceived(params,_buffer.data);

  EXPECT_EQ(0U,_observer_->messages_received());
