The Tor Browser: media/webrtc/signaling/test/signaling_unittests.cpp@7e26c7da4463 (annotated)

media/webrtc/signaling/test/signaling_unittests.cpp@7e26c7da4463 (annotated)

media/webrtc/signaling/test/signaling_unittests.cpp

Wed, 31 Dec 2014 06:55:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:55:50 +0100
changeset 2: 7e26c7da4463
permissions: -rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <iostream>
 #include <map>
 #include <algorithm>
 #include <string>
 #include <unistd.h>
 #include "base/basictypes.h"
 #include "logging.h"
 #define GTEST_HAS_RTTI 0
 #include "gtest/gtest.h"
 #include "gtest_utils.h"
 #include "nspr.h"
 #include "nss.h"
 #include "ssl.h"
 #include "prthread.h"
 #include "cpr_stdlib.h"
 #include "FakePCObserver.h"
 #include "FakeMediaStreams.h"
 #include "FakeMediaStreamsImpl.h"
 #include "PeerConnectionImpl.h"
 #include "PeerConnectionCtx.h"
 #include "PeerConnectionMedia.h"
 #include "MediaPipeline.h"
 #include "runnable_utils.h"
 #include "nsServiceManagerUtils.h"
 #include "mozilla/Services.h"
 #include "nsIPrefService.h"
 #include "nsIPrefBranch.h"
 #include "nsNetUtil.h"
 #include "nsIIOService.h"
 #include "nsIDNSService.h"
 #include "nsWeakReference.h"
 #include "nricectx.h"
 #include "rlogringbuffer.h"
 #include "mozilla/SyncRunnable.h"
 #include "logging.h"
 #include "stunserver.h"
 #include "stunserver.cpp"
 #include "PeerConnectionImplEnumsBinding.cpp"
 #include "mtransport_test_utils.h"
 #include "gtest_ringbuffer_dumper.h"
 MtransportTestUtils *test_utils;
 nsCOMPtr<nsIThread> gMainThread;
 nsCOMPtr<nsIThread> gGtestThread;
 bool gTestsComplete = false;
 #ifndef USE_FAKE_MEDIA_STREAMS
 #error USE_FAKE_MEDIA_STREAMS undefined
 #endif
 #ifndef USE_FAKE_PCOBSERVER
 #error USE_FAKE_PCOBSERVER undefined
 #endif
 static int kDefaultTimeout = 7000;
 static bool fRtcpMux = true;
 static std::string callerName = "caller";
 static std::string calleeName = "callee";
 #define ARRAY_TO_STL(container, type, array) \
         (container<type>((array), (array) + PR_ARRAY_SIZE(array)))
 #define ARRAY_TO_SET(type, array) ARRAY_TO_STL(std::set, type, array)
 std::string g_stun_server_address((char *)"23.21.150.121");
 uint16_t g_stun_server_port(3478);
 std::string kBogusSrflxAddress((char *)"192.0.2.1");
 uint16_t kBogusSrflxPort(1001);
 namespace sipcc {
 // We can't use mozilla/dom/MediaConstraintsBinding.h here because it uses
 // nsString, so we pass constraints in using MediaConstraintsExternal instead
 class MediaConstraints : public MediaConstraintsExternal {
 public:
   void setBooleanConstraint(const char *namePtr, bool value, bool mandatory) {
     cc_boolean_constraint_t &member (getMember(namePtr));
     member.was_passed = true;
     member.value = value;
     member.mandatory = mandatory;
   }
 private:
   cc_boolean_constraint_t &getMember(const char *namePtr) {
     if (strcmp(namePtr, "OfferToReceiveAudio") == 0) {
         return mConstraints.offer_to_receive_audio;
     }
     if (strcmp(namePtr, "OfferToReceiveVideo") == 0) {
         return mConstraints.offer_to_receive_video;
     }
     MOZ_ASSERT(false);
     return mConstraints.moz_dont_offer_datachannel;
   }
 };
 }
 using namespace mozilla;
 using namespace mozilla::dom;
 namespace test {
 std::string indent(const std::string &s, int width = 4) {
   std::string prefix;
   std::string out;
   char previous = '\n';
   prefix.assign(width, ' ');
   for (std::string::const_iterator i = s.begin(); i != s.end(); i++) {
     if (previous == '\n') {
       out += prefix;
     }
     out += *i;
     previous = *i;
   }
   return out;
 }
 static const std::string strSampleSdpAudioVideoNoIce =
   "v=0\r\n"
   "o=Mozilla-SIPUA 4949 0 IN IP4 10.86.255.143\r\n"
   "s=SIP Call\r\n"
   "t=0 0\r\n"
   "a=ice-ufrag:qkEP\r\n"
   "a=ice-pwd:ed6f9GuHjLcoCN6sC/Eh7fVl\r\n"
   "m=audio 16384 RTP/AVP 0 8 9 101\r\n"
   "c=IN IP4 10.86.255.143\r\n"
   "a=rtpmap:0 PCMU/8000\r\n"
   "a=rtpmap:8 PCMA/8000\r\n"
   "a=rtpmap:9 G722/8000\r\n"
   "a=rtpmap:101 telephone-event/8000\r\n"
   "a=fmtp:101 0-15\r\n"
   "a=sendrecv\r\n"
   "a=candidate:1 1 UDP 2130706431 192.168.2.1 50005 typ host\r\n"
   "a=candidate:2 2 UDP 2130706431 192.168.2.2 50006 typ host\r\n"
   "m=video 1024 RTP/AVP 97\r\n"
   "c=IN IP4 10.86.255.143\r\n"
   "a=rtpmap:120 VP8/90000\r\n"
   "a=fmtp:97 profile-level-id=42E00C\r\n"
   "a=sendrecv\r\n"
   "a=candidate:1 1 UDP 2130706431 192.168.2.3 50007 typ host\r\n"
   "a=candidate:2 2 UDP 2130706431 192.168.2.4 50008 typ host\r\n";
 static const std::string strSampleCandidate =
   "a=candidate:1 1 UDP 2130706431 192.168.2.1 50005 typ host\r\n";
 static const std::string strSampleMid = "";
 static const unsigned short nSamplelevel = 2;
 static const std::string strG711SdpOffer =
     "v=0\r\n"
     "o=- 1 1 IN IP4 148.147.200.251\r\n"
     "s=-\r\n"
     "b=AS:64\r\n"
     "t=0 0\r\n"
     "a=fingerprint:sha-256 F3:FA:20:C0:CD:48:C4:5F:02:5F:A5:D3:21:D0:2D:48:"
       "7B:31:60:5C:5A:D8:0D:CD:78:78:6C:6D:CE:CC:0C:67\r\n"
     "m=audio 9000 RTP/AVP 0 8 126\r\n"
     "c=IN IP4 148.147.200.251\r\n"
     "b=TIAS:64000\r\n"
     "a=rtpmap:0 PCMU/8000\r\n"
     "a=rtpmap:8 PCMA/8000\r\n"
     "a=rtpmap:126 telephone-event/8000\r\n"
     "a=candidate:0 1 udp 2130706432 148.147.200.251 9000 typ host\r\n"
     "a=candidate:0 2 udp 2130706432 148.147.200.251 9005 typ host\r\n"
     "a=ice-ufrag:cYuakxkEKH+RApYE\r\n"
     "a=ice-pwd:bwtpzLZD+3jbu8vQHvEa6Xuq\r\n"
     "a=sendrecv\r\n";
 enum sdpTestFlags
 {
   SHOULD_SEND_AUDIO     = (1<<0),
   SHOULD_RECV_AUDIO     = (1<<1),
   SHOULD_INACTIVE_AUDIO = (1<<2),
   SHOULD_REJECT_AUDIO   = (1<<3),
   SHOULD_OMIT_AUDIO     = (1<<4),
   DONT_CHECK_AUDIO      = (1<<5),
   SHOULD_CHECK_AUDIO    = (1<<6),
   SHOULD_SEND_VIDEO     = (1<<8),
   SHOULD_RECV_VIDEO     = (1<<9),
   SHOULD_INACTIVE_VIDEO = (1<<10),
   SHOULD_REJECT_VIDEO   = (1<<11),
   SHOULD_OMIT_VIDEO     = (1<<12),
   DONT_CHECK_VIDEO      = (1<<13),
   SHOULD_CHECK_VIDEO    = (1<<14),
   SHOULD_INCLUDE_DATA   = (1 << 16),
   DONT_CHECK_DATA       = (1 << 17),
   SHOULD_SENDRECV_AUDIO = SHOULD_SEND_AUDIO | SHOULD_RECV_AUDIO,
   SHOULD_SENDRECV_VIDEO = SHOULD_SEND_VIDEO | SHOULD_RECV_VIDEO,
   SHOULD_SENDRECV_AV = SHOULD_SENDRECV_AUDIO | SHOULD_SENDRECV_VIDEO,
   SHOULD_CHECK_AV = SHOULD_CHECK_AUDIO | SHOULD_CHECK_VIDEO,
   AUDIO_FLAGS = SHOULD_SEND_AUDIO | SHOULD_RECV_AUDIO
                 | SHOULD_INACTIVE_AUDIO | SHOULD_REJECT_AUDIO
                 | DONT_CHECK_AUDIO | SHOULD_OMIT_AUDIO
                 | SHOULD_CHECK_AUDIO,
   VIDEO_FLAGS = SHOULD_SEND_VIDEO | SHOULD_RECV_VIDEO
                 | SHOULD_INACTIVE_VIDEO | SHOULD_REJECT_VIDEO
                 | DONT_CHECK_VIDEO | SHOULD_OMIT_VIDEO
                 | SHOULD_CHECK_VIDEO
 };
 enum offerAnswerFlags
 {
   OFFER_NONE  = 0, // Sugar to make function calls clearer.
   OFFER_AUDIO = (1<<0),
   OFFER_VIDEO = (1<<1),
   // Leaving some room here for other media types
   ANSWER_NONE  = 0, // Sugar to make function calls clearer.
   ANSWER_AUDIO = (1<<8),
   ANSWER_VIDEO = (1<<9),
   OFFER_AV = OFFER_AUDIO | OFFER_VIDEO,
   ANSWER_AV = ANSWER_AUDIO | ANSWER_VIDEO
 };
 enum mediaPipelineFlags
 {
   PIPELINE_LOCAL = (1<<0),
   PIPELINE_RTCP_MUX = (1<<1),
   PIPELINE_SEND = (1<<2),
   PIPELINE_VIDEO = (1<<3),
   PIPELINE_RTCP_NACK = (1<<4)
 };
 class TestObserver : public AFakePCObserver
 {
 public:
   TestObserver(sipcc::PeerConnectionImpl *peerConnection,
                const std::string &aName) :
     AFakePCObserver(peerConnection, aName) {}
   size_t MatchingCandidates(const std::string& cand) {
     size_t count = 0;
     for (size_t i=0; i<candidates.size(); ++i) {
       if (candidates[i].find(cand) != std::string::npos)
         ++count;
     }
     return count;
   }
   NS_DECL_THREADSAFE_ISUPPORTS
   NS_IMETHODIMP OnCreateOfferSuccess(const char* offer, ER&);
   NS_IMETHODIMP OnCreateOfferError(uint32_t code, const char *msg, ER&);
   NS_IMETHODIMP OnCreateAnswerSuccess(const char* answer, ER&);
   NS_IMETHODIMP OnCreateAnswerError(uint32_t code, const char *msg, ER&);
   NS_IMETHODIMP OnSetLocalDescriptionSuccess(ER&);
   NS_IMETHODIMP OnSetRemoteDescriptionSuccess(ER&);
   NS_IMETHODIMP OnSetLocalDescriptionError(uint32_t code, const char *msg, ER&);
   NS_IMETHODIMP OnSetRemoteDescriptionError(uint32_t code, const char *msg, ER&);
   NS_IMETHODIMP NotifyConnection(ER&);
   NS_IMETHODIMP NotifyClosedConnection(ER&);
   NS_IMETHODIMP NotifyDataChannel(nsIDOMDataChannel *channel, ER&);
   NS_IMETHODIMP OnStateChange(PCObserverStateType state_type, ER&, void*);
   NS_IMETHODIMP OnAddStream(nsIDOMMediaStream *stream, ER&);
   NS_IMETHODIMP OnRemoveStream(ER&);
   NS_IMETHODIMP OnAddTrack(ER&);
   NS_IMETHODIMP OnRemoveTrack(ER&);
   NS_IMETHODIMP OnAddIceCandidateSuccess(ER&);
   NS_IMETHODIMP OnAddIceCandidateError(uint32_t code, const char *msg, ER&);
   NS_IMETHODIMP OnIceCandidate(uint16_t level, const char *mid, const char *cand, ER&);
 };
 NS_IMPL_ISUPPORTS(TestObserver, nsISupportsWeakReference)
 NS_IMETHODIMP
 TestObserver::OnCreateOfferSuccess(const char* offer, ER&)
 {
   lastString = strdup(offer);
   state = stateSuccess;
   std::cout << name << ": onCreateOfferSuccess = " << std::endl << indent(offer)
             << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnCreateOfferError(uint32_t code, const char *message, ER&)
 {
   lastStatusCode = static_cast<sipcc::PeerConnectionImpl::Error>(code);
   state = stateError;
   std::cout << name << ": onCreateOfferError = " << code
             << " (" << message << ")" << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnCreateAnswerSuccess(const char* answer, ER&)
 {
   lastString = strdup(answer);
   state = stateSuccess;
   std::cout << name << ": onCreateAnswerSuccess =" << std::endl
             << indent(answer) << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnCreateAnswerError(uint32_t code, const char *message, ER&)
 {
   lastStatusCode = static_cast<sipcc::PeerConnectionImpl::Error>(code);
   std::cout << name << ": onCreateAnswerError = " << code
             << " (" << message << ")" << std::endl;
   state = stateError;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnSetLocalDescriptionSuccess(ER&)
 {
   lastStatusCode = sipcc::PeerConnectionImpl::kNoError;
   state = stateSuccess;
   std::cout << name << ": onSetLocalDescriptionSuccess" << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnSetRemoteDescriptionSuccess(ER&)
 {
   lastStatusCode = sipcc::PeerConnectionImpl::kNoError;
   state = stateSuccess;
   std::cout << name << ": onSetRemoteDescriptionSuccess" << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnSetLocalDescriptionError(uint32_t code, const char *message, ER&)
 {
   lastStatusCode = static_cast<sipcc::PeerConnectionImpl::Error>(code);
   state = stateError;
   std::cout << name << ": onSetLocalDescriptionError = " << code
             << " (" << message << ")" << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnSetRemoteDescriptionError(uint32_t code, const char *message, ER&)
 {
   lastStatusCode = static_cast<sipcc::PeerConnectionImpl::Error>(code);
   state = stateError;
   std::cout << name << ": onSetRemoteDescriptionError = " << code
             << " (" << message << ")" << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::NotifyConnection(ER&)
 {
   std::cout << name << ": NotifyConnection" << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::NotifyClosedConnection(ER&)
 {
   std::cout << name << ": NotifyClosedConnection" << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::NotifyDataChannel(nsIDOMDataChannel *channel, ER&)
 {
   std::cout << name << ": NotifyDataChannel" << std::endl;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnStateChange(PCObserverStateType state_type, ER&, void*)
 {
   nsresult rv;
   PCImplReadyState gotready;
   PCImplIceConnectionState gotice;
   PCImplIceGatheringState goticegathering;
   PCImplSipccState gotsipcc;
   PCImplSignalingState gotsignaling;
   std::cout << name << ": ";
   switch (state_type)
   {
   case PCObserverStateType::ReadyState:
     rv = pc->ReadyState(&gotready);
     NS_ENSURE_SUCCESS(rv, rv);
     std::cout << "Ready State: "
               << PCImplReadyStateValues::strings[int(gotready)].value
               << std::endl;
     break;
   case PCObserverStateType::IceConnectionState:
     rv = pc->IceConnectionState(&gotice);
     NS_ENSURE_SUCCESS(rv, rv);
     std::cout << "ICE Connection State: "
               << PCImplIceConnectionStateValues::strings[int(gotice)].value
               << std::endl;
     break;
   case PCObserverStateType::IceGatheringState:
     rv = pc->IceGatheringState(&goticegathering);
     NS_ENSURE_SUCCESS(rv, rv);
     std::cout
         << "ICE Gathering State: "
         << PCImplIceGatheringStateValues::strings[int(goticegathering)].value
         << std::endl;
     break;
   case PCObserverStateType::SdpState:
     std::cout << "SDP State: " << std::endl;
     // NS_ENSURE_SUCCESS(rv, rv);
     break;
   case PCObserverStateType::SipccState:
     rv = pc->SipccState(&gotsipcc);
     NS_ENSURE_SUCCESS(rv, rv);
     std::cout << "SIPCC State: "
               << PCImplSipccStateValues::strings[int(gotsipcc)].value
               << std::endl;
     break;
   case PCObserverStateType::SignalingState:
     rv = pc->SignalingState(&gotsignaling);
     NS_ENSURE_SUCCESS(rv, rv);
     std::cout << "Signaling State: "
               << PCImplSignalingStateValues::strings[int(gotsignaling)].value
               << std::endl;
     break;
   default:
     // Unknown State
     MOZ_CRASH("Unknown state change type.");
     break;
   }
   lastStateType = state_type;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnAddStream(nsIDOMMediaStream *stream, ER&)
 {
   PR_ASSERT(stream);
   DOMMediaStream *ms = static_cast<DOMMediaStream *>(stream);
   std::cout << name << ": OnAddStream called hints=" << ms->GetHintContents()
             << " thread=" << PR_GetCurrentThread() << std::endl ;
   onAddStreamCalled = true;
   streams.push_back(ms);
   // We know that the media stream is secretly a Fake_SourceMediaStream,
   // so now we can start it pulling from us
   Fake_SourceMediaStream *fs = static_cast<Fake_SourceMediaStream *>(ms->GetStream());
   test_utils->sts_target()->Dispatch(
     WrapRunnable(fs, &Fake_SourceMediaStream::Start),
     NS_DISPATCH_NORMAL);
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnRemoveStream(ER&)
 {
   state = stateSuccess;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnAddTrack(ER&)
 {
   state = stateSuccess;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnRemoveTrack(ER&)
 {
   state = stateSuccess;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnIceCandidate(uint16_t level,
                              const char * mid,
                              const char * candidate, ER&)
 {
   std::cout << name << ": onIceCandidate [" << level << "/"
             << mid << "] " << candidate << std::endl;
   candidates.push_back(candidate);
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnAddIceCandidateSuccess(ER&)
 {
   lastStatusCode = sipcc::PeerConnectionImpl::kNoError;
   state = stateSuccess;
   std::cout << name << ": onAddIceCandidateSuccess" << std::endl;
   addIceSuccessCount++;
   return NS_OK;
 }
 NS_IMETHODIMP
 TestObserver::OnAddIceCandidateError(uint32_t code, const char *message, ER&)
 {
   lastStatusCode = static_cast<sipcc::PeerConnectionImpl::Error>(code);
   state = stateError;
   std::cout << name << ": onAddIceCandidateError = " << code
             << " (" << message << ")" << std::endl;
   return NS_OK;
 }
 class ParsedSDP {
  public:
   //Line number with the corresponding SDP line.
   typedef std::pair<int, std::string> SdpLine;
   ParsedSDP(std::string sdp):
     sdp_(),
     sdp_without_ice_(),
     ice_candidates_(),
     levels_(0),
     num_lines(0)
   {
     sdp_ = sdp;
     Parse();
   }
   void DeleteAllLines(std::string objType)
   {
     int count = sdp_map_.count(objType);
     std::cout << "Removing " << count << " lines from SDP (" << objType
               << ")" << std::endl;
     for (int i = 0; i < count; i++) {
       DeleteLine(objType);
     }
   }
   void DeleteLine(std::string objType)
   {
     ReplaceLine(objType, "");
   }
   // Replaces the first instance of objType in the SDP with
   // a new string.
   // If content is an empty string then the line will be removed
   void ReplaceLine(std::string objType, std::string content)
   {
     std::multimap<std::string, SdpLine>::iterator it;
     it = sdp_map_.find(objType);
     if(it != sdp_map_.end()) {
       SdpLine sdp_line_pair = (*it).second;
       int line_no = sdp_line_pair.first;
       sdp_map_.erase(it);
       if(content.empty()) {
         return;
       }
       std::string value = content.substr(objType.length() + 1);
       sdp_map_.insert(std::pair<std::string, SdpLine>(objType,
         std::make_pair(line_no,value)));
     }
   }
   void AddLine(std::string content)
   {
     size_t whiteSpace = content.find(' ');
     std::string key;
     std::string value;
     if(whiteSpace == std::string::npos) {
       key = content.substr(0,  content.size() - 2);
       value = "";
     } else {
       key = content.substr(0, whiteSpace);
       value = content.substr(whiteSpace+1);
     }
     sdp_map_.insert(std::pair<std::string, SdpLine>(key,
       std::make_pair(num_lines,value)));
     num_lines++;
   }
   // Returns the values for all lines of the indicated type
   // Removes trailing "\r\n" from values.
   std::vector<std::string> GetLines(std::string objType) const
   {
     std::multimap<std::string, SdpLine>::const_iterator it, end;
     std::vector<std::string> values;
     it = sdp_map_.lower_bound(objType);
     end = sdp_map_.upper_bound(objType);
     while (it != end) {
       std::string value = it->second.second;
       if (value.find("\r") != std::string::npos) {
         value = value.substr(0, value.find("\r"));
       } else {
         ADD_FAILURE();
       }
       values.push_back(value);
       ++it;
     }
     return values;
   }
   //Parse SDP as std::string into map that looks like:
   // key: sdp content till first space
   // value : <line_number, sdp content after the first space>
   void Parse()
   {
     size_t prev = 0;
     size_t found = 0;
     num_lines = 0;
     for(;;) {
       found = sdp_.find('\n', found + 1);
       if (found == std::string::npos)
         break;
       std::string line = sdp_.substr(prev, (found - prev) + 1);
       size_t whiteSpace = line.find(' ');
       std::string key;
       std::string value;
       if(whiteSpace == std::string::npos) {
         //this is the line with no extra contents
         //example, v=0, a=sendrecv
         key = line.substr(0, line.size() - 2);
         //<line_no>:<valeu>
         value = "";
       } else {
         key = line.substr(0, whiteSpace);
         //<line_no>:<value>
         value = line.substr(whiteSpace+1);
       }
       SdpLine sdp_line_pair = std::make_pair(num_lines,value);
       sdp_map_.insert(std::pair<std::string, SdpLine>(key, sdp_line_pair));
       num_lines++;
       //storing ice candidates separately for quick acesss as needed
       //for the trickle unit tests
       if (line.find("a=candidate") == 0) {
         // This is a candidate, strip of a= and \r\n
         std::string cand = line.substr(2, line.size() - 4);
         ice_candidates_.insert(std::pair<int, std::string>(levels_, cand));
        } else {
         sdp_without_ice_ += line;
       }
       if (line.find("m=") == 0) {
         // This is an m-line
         ++levels_;
       }
       prev = found + 1;
     }
   }
   //Convert Internal SDP representation into String representation
   std::string getSdp()
   {
      std::vector<std::string> sdp_lines(num_lines);
      for (std::multimap<std::string, SdpLine>::iterator it = sdp_map_.begin();
          it != sdp_map_.end(); ++it) {
       SdpLine sdp_line_pair = (*it).second;
       std::string value;
       if(sdp_line_pair.second.length() == 0) {
         value = (*it).first + "\r\n";
         sdp_lines[sdp_line_pair.first] = value;
       } else {
         value = (*it).first + ' ' + sdp_line_pair.second;
         sdp_lines[sdp_line_pair.first] = value;
       }
    }
     //generate our final sdp in std::string format
     std::string sdp;
     for (size_t i = 0; i < sdp_lines.size(); i++)
     {
       sdp += sdp_lines[i];
     }
     return sdp;
   }
   std::string sdp_;
   std::string sdp_without_ice_;
   std::multimap<int, std::string> ice_candidates_;
   std::multimap<std::string, SdpLine> sdp_map_;
   int levels_;
   int num_lines;
 };
 class SignalingAgent {
  public:
   SignalingAgent(const std::string &aName) : pc(nullptr), name(aName) {
     cfg_.addStunServer(g_stun_server_address, g_stun_server_port);
     pc = sipcc::PeerConnectionImpl::CreatePeerConnection();
     EXPECT_TRUE(pc);
   }
   SignalingAgent(const std::string &aName, const std::string stun_addr,
                  uint16_t stun_port) : pc(nullptr), name(aName) {
     cfg_.addStunServer(stun_addr, stun_port);
     pc = sipcc::PeerConnectionImpl::CreatePeerConnection();
     EXPECT_TRUE(pc);
   }
   ~SignalingAgent() {
     mozilla::SyncRunnable::DispatchToThread(gMainThread,
       WrapRunnable(this, &SignalingAgent::Close));
   }
   void Init_m(nsCOMPtr<nsIThread> thread)
   {
     pObserver = new TestObserver(pc, name);
     ASSERT_TRUE(pObserver);
     ASSERT_EQ(pc->Initialize(*pObserver, nullptr, cfg_, thread), NS_OK);
   }
   void Init(nsCOMPtr<nsIThread> thread)
   {
     mozilla::SyncRunnable::DispatchToThread(thread,
       WrapRunnable(this, &SignalingAgent::Init_m, thread));
     ASSERT_TRUE_WAIT(sipcc_state() == PCImplSipccState::Started,
                      kDefaultTimeout);
   }
   void WaitForGather() {
     ASSERT_TRUE_WAIT(ice_gathering_state() == PCImplIceGatheringState::Complete,
                      kDefaultTimeout);
     std::cout << name << ": Init Complete" << std::endl;
   }
   bool WaitForGatherAllowFail() {
     EXPECT_TRUE_WAIT(
         ice_gathering_state() == PCImplIceGatheringState::Complete ||
         ice_connection_state() == PCImplIceConnectionState::Failed,
         kDefaultTimeout);
     if (ice_connection_state() == PCImplIceConnectionState::Failed) {
       std::cout << name << ": Init Failed" << std::endl;
       return false;
     }
     std::cout << name << "Init Complete" << std::endl;
     return true;
   }
   PCImplSipccState sipcc_state()
   {
     return pc->SipccState();
   }
   PCImplIceConnectionState ice_connection_state()
   {
     return pc->IceConnectionState();
   }
   PCImplIceGatheringState ice_gathering_state()
   {
     return pc->IceGatheringState();
   }
   PCImplSignalingState signaling_state()
   {
     return pc->SignalingState();
   }
   void Close()
   {
     if (pc) {
       std::cout << name << ": Close" << std::endl;
       pc->Close();
       pc = nullptr;
     }
     // Shutdown is synchronous evidently.
     // ASSERT_TRUE(pObserver->WaitForObserverCall());
     // ASSERT_EQ(pc->sipcc_state(), sipcc::PeerConnectionInterface::kIdle);
   }
   bool OfferContains(const std::string& str) {
     std::string o(offer());
     return o.find(str) != std::string::npos;
   }
   bool AnswerContains(const std::string& str) {
     std::string o(answer());
     return o.find(str) != std::string::npos;
   }
   size_t MatchingCandidates(const std::string& cand) {
     return pObserver->MatchingCandidates(cand);
   }
   char* offer() const { return offer_; }
   char* answer() const { return answer_; }
   std::string getLocalDescription() const {
     char *sdp = nullptr;
     pc->GetLocalDescription(&sdp);
     if (!sdp) {
       return "";
     }
     return sdp;
   }
   std::string getRemoteDescription() const {
     char *sdp = 0;
     pc->GetRemoteDescription(&sdp);
     if (!sdp) {
       return "";
     }
     return sdp;
   }
   // Adds a stream to the PeerConnection.
   void AddStream(uint32_t hint =
          DOMMediaStream::HINT_CONTENTS_AUDIO |
          DOMMediaStream::HINT_CONTENTS_VIDEO,
        MediaStream *stream = nullptr,
        sipcc::MediaConstraints *constraints = nullptr
        ) {
     sipcc::MediaConstraints noConstraints;
     if (!constraints) {
       constraints = &noConstraints;
     }
     nsRefPtr<DOMMediaStream> domMediaStream;
     if (stream) {
       domMediaStream = new DOMMediaStream(stream);
     } else {
       domMediaStream = new DOMMediaStream();
     }
     domMediaStream->SetHintContents(hint);
     ASSERT_EQ(pc->AddStream(*domMediaStream, *constraints), NS_OK);
     domMediaStream_ = domMediaStream;
   }
   // Removes a stream from the PeerConnection. If the stream
   // parameter is absent, removes the stream that was most
   // recently added to the PeerConnection.
   void RemoveLastStreamAdded() {
     ASSERT_EQ(pc->RemoveStream(*domMediaStream_), NS_OK);
   }
   void CreateOffer(sipcc::MediaConstraints& constraints,
                    uint32_t offerFlags, uint32_t sdpCheck,
                    PCImplSignalingState endState =
                      PCImplSignalingState::SignalingStable) {
     // Create a media stream as if it came from GUM
     Fake_AudioStreamSource *audio_stream =
       new Fake_AudioStreamSource();
     nsresult ret;
     mozilla::SyncRunnable::DispatchToThread(
       test_utils->sts_target(),
       WrapRunnableRet(audio_stream, &Fake_MediaStream::Start, &ret));
     ASSERT_TRUE(NS_SUCCEEDED(ret));
     uint32_t aHintContents = 0;
     if (offerFlags & OFFER_AUDIO) {
       aHintContents |= DOMMediaStream::HINT_CONTENTS_AUDIO;
     }
     if (offerFlags & OFFER_VIDEO) {
       aHintContents |= DOMMediaStream::HINT_CONTENTS_VIDEO;
     }
     AddStream(aHintContents, audio_stream);
     // Now call CreateOffer as JS would
     pObserver->state = TestObserver::stateNoResponse;
     ASSERT_EQ(pc->CreateOffer(constraints), NS_OK);
     ASSERT_TRUE_WAIT(pObserver->state != TestObserver::stateNoResponse,
                      kDefaultTimeout);
     ASSERT_EQ(pObserver->state, TestObserver::stateSuccess);
     SDPSanityCheck(pObserver->lastString, sdpCheck, true);
     ASSERT_EQ(signaling_state(), endState);
     offer_ = pObserver->lastString;
   }
 void CreateAnswer(sipcc::MediaConstraints& constraints, std::string offer,
                     uint32_t offerAnswerFlags,
                     uint32_t sdpCheck = DONT_CHECK_AUDIO|
                                         DONT_CHECK_VIDEO|
                                         DONT_CHECK_DATA,
                     PCImplSignalingState endState =
                     PCImplSignalingState::SignalingHaveRemoteOffer) {
     uint32_t aHintContents = 0;
     if (offerAnswerFlags & ANSWER_AUDIO) {
       aHintContents |= DOMMediaStream::HINT_CONTENTS_AUDIO;
     }
     if (offerAnswerFlags & ANSWER_VIDEO) {
       aHintContents |= DOMMediaStream::HINT_CONTENTS_VIDEO;
     }
     AddStream(aHintContents);
     // Decide if streams are disabled for offer or answer
     // then perform SDP checking based on which stream disabled
     pObserver->state = TestObserver::stateNoResponse;
     ASSERT_EQ(pc->CreateAnswer(constraints), NS_OK);
     ASSERT_TRUE_WAIT(pObserver->state != TestObserver::stateNoResponse,
                      kDefaultTimeout);
     ASSERT_EQ(pObserver->state, TestObserver::stateSuccess);
     SDPSanityCheck(pObserver->lastString, sdpCheck, false);
     ASSERT_EQ(signaling_state(), endState);
     answer_ = pObserver->lastString;
   }
   // At present, we use the hints field in a stream to find and
   // remove it. This only works if the specified hints flags are
   // unique among all streams in the PeerConnection. This is not
   // generally true, and will need significant revision once
   // multiple streams are supported.
   void CreateOfferRemoveStream(sipcc::MediaConstraints& constraints,
                                uint32_t hints, uint32_t sdpCheck) {
     domMediaStream_->SetHintContents(hints);
     // This currently "removes" a stream that has the same audio/video
     // hints as were passed in.
     // When complete RemoveStream will remove and entire stream and its tracks
     // not just disable a track as this is currently doing
     ASSERT_EQ(pc->RemoveStream(*domMediaStream_), NS_OK);
     // Now call CreateOffer as JS would
     pObserver->state = TestObserver::stateNoResponse;
     ASSERT_EQ(pc->CreateOffer(constraints), NS_OK);
     ASSERT_TRUE_WAIT(pObserver->state != TestObserver::stateNoResponse,
                      kDefaultTimeout);
     ASSERT_TRUE(pObserver->state == TestObserver::stateSuccess);
     SDPSanityCheck(pObserver->lastString, sdpCheck, true);
     offer_ = pObserver->lastString;
   }
   void SetRemote(TestObserver::Action action, std::string remote,
                  bool ignoreError = false,
                  PCImplSignalingState endState =
                    PCImplSignalingState::SignalingInvalid) {
     if (endState == PCImplSignalingState::SignalingInvalid) {
       endState = (action == TestObserver::OFFER ?
                   PCImplSignalingState::SignalingHaveRemoteOffer :
                   PCImplSignalingState::SignalingStable);
     }
     pObserver->state = TestObserver::stateNoResponse;
     ASSERT_EQ(pc->SetRemoteDescription(action, remote.c_str()), NS_OK);
     ASSERT_TRUE_WAIT(pObserver->state != TestObserver::stateNoResponse,
                      kDefaultTimeout);
     ASSERT_EQ(signaling_state(), endState);
     if (!ignoreError) {
       ASSERT_EQ(pObserver->state, TestObserver::stateSuccess);
     }
   }
   void SetLocal(TestObserver::Action action, std::string local,
                 bool ignoreError = false,
                 PCImplSignalingState endState =
                   PCImplSignalingState::SignalingInvalid) {
     if (endState == PCImplSignalingState::SignalingInvalid) {
       endState = (action == TestObserver::OFFER ?
                   PCImplSignalingState::SignalingHaveLocalOffer :
                   PCImplSignalingState::SignalingStable);
     }
     pObserver->state = TestObserver::stateNoResponse;
     ASSERT_EQ(pc->SetLocalDescription(action, local.c_str()), NS_OK);
     ASSERT_TRUE_WAIT(pObserver->state != TestObserver::stateNoResponse,
                      kDefaultTimeout);
     ASSERT_EQ(signaling_state(), endState);
     if (!ignoreError) {
       ASSERT_EQ(pObserver->state, TestObserver::stateSuccess);
     }
   }
   void DoTrickleIce(ParsedSDP &sdp) {
     int expectAddIce = 0;
     pObserver->addIceSuccessCount = 0;
     for (std::multimap<int, std::string>::iterator it =
            sdp.ice_candidates_.begin();
          it != sdp.ice_candidates_.end(); ++it) {
       if ((*it).first != 0) {
         std::cerr << "Adding trickle ICE candidate " << (*it).second
                   << std::endl;
         ASSERT_TRUE(NS_SUCCEEDED(pc->AddIceCandidate((*it).second.c_str(), "", (*it).first)));
         expectAddIce++;
       }
     }
     ASSERT_TRUE_WAIT(pObserver->addIceSuccessCount == expectAddIce,
                      kDefaultTimeout);
   }
   void DoTrickleIceChrome(ParsedSDP &sdp) {
     int expectAddIce = 0;
     pObserver->addIceSuccessCount = 0;
     for (std::multimap<int, std::string>::iterator it =
            sdp.ice_candidates_.begin();
          it != sdp.ice_candidates_.end(); ++it) {
       if ((*it).first != 0) {
         std::string candidate = "a=" + (*it).second + "\r\n";
         std::cerr << "Adding trickle ICE candidate " << candidate << std::endl;
         ASSERT_TRUE(NS_SUCCEEDED(pc->AddIceCandidate(candidate.c_str(), "", (*it).first)));
         expectAddIce++;
       }
     }
     ASSERT_TRUE_WAIT(pObserver->addIceSuccessCount == expectAddIce,
                      kDefaultTimeout);
   }
   bool IceCompleted() {
     return pc->IceConnectionState() == PCImplIceConnectionState::Connected;
   }
   void AddIceCandidate(const char* candidate, const char* mid, unsigned short level,
                        bool expectSuccess) {
     PCImplSignalingState endState = signaling_state();
     pObserver->state = TestObserver::stateNoResponse;
     pc->AddIceCandidate(candidate, mid, level);
     ASSERT_TRUE_WAIT(pObserver->state != TestObserver::stateNoResponse,
                      kDefaultTimeout);
     ASSERT_TRUE(pObserver->state ==
                 expectSuccess ? TestObserver::stateSuccess :
                                 TestObserver::stateError
                );
     // Verify that adding ICE candidates does not change the signaling state
     ASSERT_EQ(signaling_state(), endState);
   }
   int GetPacketsReceived(int stream) {
     std::vector<DOMMediaStream *> streams = pObserver->GetStreams();
     if ((int) streams.size() <= stream) {
       return 0;
     }
     return streams[stream]->GetStream()->AsSourceStream()->GetSegmentsAdded();
   }
   int GetPacketsSent(int stream) {
     return static_cast<Fake_MediaStreamBase *>(
         domMediaStream_->GetStream())->GetSegmentsAdded();
   }
   //Stops generating new audio data for transmission.
   //Should be called before Cleanup of the peer connection.
   void CloseSendStreams() {
     static_cast<Fake_MediaStream*>(
         domMediaStream_->GetStream())->StopStream();
   }
   //Stops pulling audio data off the receivers.
   //Should be called before Cleanup of the peer connection.
   void CloseReceiveStreams() {
     std::vector<DOMMediaStream *> streams =
                             pObserver->GetStreams();
     for (size_t i = 0; i < streams.size(); i++) {
       streams[i]->GetStream()->AsSourceStream()->StopStream();
     }
   }
   mozilla::RefPtr<mozilla::MediaPipeline> GetMediaPipeline(
     bool local, int stream, int track) {
     sipcc::SourceStreamInfo *streamInfo;
     if (local) {
       streamInfo = pc->media()->GetLocalStream(stream);
     } else {
       streamInfo = pc->media()->GetRemoteStream(stream);
     }
     if (!streamInfo) {
       return nullptr;
     }
     const auto &pipelines = streamInfo->GetPipelines();
     auto it = pipelines.find(track);
     return (it == pipelines.end())? nullptr : it->second;
   }
   void CheckMediaPipeline(int stream, int track, uint32_t flags,
     VideoSessionConduit::FrameRequestType frameRequestMethod =
       VideoSessionConduit::FrameRequestNone) {
     std::cout << name << ": Checking media pipeline settings for "
               << ((flags & PIPELINE_LOCAL) ? "local " : "remote ")
               << ((flags & PIPELINE_SEND) ? "sending " : "receiving ")
               << ((flags & PIPELINE_VIDEO) ? "video" : "audio")
               << " pipeline (stream " << stream
               << ", track " << track << "); expect "
               << ((flags & PIPELINE_RTCP_MUX) ? "MUX, " : "no MUX, ")
               << ((flags & PIPELINE_RTCP_NACK) ? "NACK." : "no NACK.")
               << std::endl;
     mozilla::RefPtr<mozilla::MediaPipeline> pipeline =
       GetMediaPipeline((flags & PIPELINE_LOCAL), stream, track);
     ASSERT_TRUE(pipeline);
     ASSERT_EQ(pipeline->IsDoingRtcpMux(), !!(flags & PIPELINE_RTCP_MUX));
     // We cannot yet test send/recv with video.
     if (!(flags & PIPELINE_VIDEO)) {
       if (flags & PIPELINE_SEND) {
         ASSERT_TRUE_WAIT(pipeline->rtp_packets_sent() >= 40 &&
                          pipeline->rtcp_packets_received() >= 1,
                          kDefaultTimeout);
         ASSERT_GE(pipeline->rtp_packets_sent(), 40);
         ASSERT_GE(pipeline->rtcp_packets_received(), 1);
       } else {
         ASSERT_TRUE_WAIT(pipeline->rtp_packets_received() >= 40 &&
                          pipeline->rtcp_packets_sent() >= 1,
                          kDefaultTimeout);
         ASSERT_GE(pipeline->rtp_packets_received(), 40);
         ASSERT_GE(pipeline->rtcp_packets_sent(), 1);
       }
     }
     // Check feedback method for video
     if (flags & PIPELINE_VIDEO) {
         mozilla::MediaSessionConduit *conduit = pipeline->Conduit();
         ASSERT_TRUE(conduit);
         ASSERT_EQ(conduit->type(), mozilla::MediaSessionConduit::VIDEO);
         mozilla::VideoSessionConduit *video_conduit =
           static_cast<mozilla::VideoSessionConduit*>(conduit);
         ASSERT_EQ(!!(flags & PIPELINE_RTCP_NACK),
                   video_conduit->UsingNackBasic());
         ASSERT_EQ(frameRequestMethod, video_conduit->FrameRequestMethod());
     }
   }
 public:
   mozilla::RefPtr<sipcc::PeerConnectionImpl> pc;
   nsRefPtr<TestObserver> pObserver;
   char* offer_;
   char* answer_;
   nsRefPtr<DOMMediaStream> domMediaStream_;
   sipcc::IceConfiguration cfg_;
   const std::string name;
 private:
   void SDPSanityCheck(std::string sdp, uint32_t flags, bool offer)
   {
     ASSERT_TRUE(pObserver->state == TestObserver::stateSuccess);
     ASSERT_NE(sdp.find("v=0"), std::string::npos);
     ASSERT_NE(sdp.find("c=IN IP4"), std::string::npos);
     ASSERT_NE(sdp.find("a=fingerprint:sha-256"), std::string::npos);
     std::cout << name << ": SDPSanityCheck flags for "
               << (offer ? "offer" : "answer")
               << " = " << std::hex << std::showbase
               << flags << std::dec
               << ((flags & SHOULD_SEND_AUDIO)?" SHOULD_SEND_AUDIO":"")
               << ((flags & SHOULD_RECV_AUDIO)?" SHOULD_RECV_AUDIO":"")
               << ((flags & SHOULD_INACTIVE_AUDIO)?" SHOULD_INACTIVE_AUDIO":"")
               << ((flags & SHOULD_REJECT_AUDIO)?" SHOULD_REJECT_AUDIO":"")
               << ((flags & SHOULD_OMIT_AUDIO)?" SHOULD_OMIT_AUDIO":"")
               << ((flags & DONT_CHECK_AUDIO)?" DONT_CHECK_AUDIO":"")
               << ((flags & SHOULD_SEND_VIDEO)?" SHOULD_SEND_VIDEO":"")
               << ((flags & SHOULD_RECV_VIDEO)?" SHOULD_RECV_VIDEO":"")
               << ((flags & SHOULD_INACTIVE_VIDEO)?" SHOULD_INACTIVE_VIDEO":"")
               << ((flags & SHOULD_REJECT_VIDEO)?" SHOULD_REJECT_VIDEO":"")
               << ((flags & SHOULD_OMIT_VIDEO)?" SHOULD_OMIT_VIDEO":"")
               << ((flags & DONT_CHECK_VIDEO)?" DONT_CHECK_VIDEO":"")
               << ((flags & SHOULD_INCLUDE_DATA)?" SHOULD_INCLUDE_DATA":"")
               << ((flags & DONT_CHECK_DATA)?" DONT_CHECK_DATA":"")
               << std::endl;
     switch(flags & AUDIO_FLAGS) {
       case 0:
             ASSERT_EQ(sdp.find("a=rtpmap:109 opus/48000"), std::string::npos);
         break;
       case SHOULD_CHECK_AUDIO:
             ASSERT_NE(sdp.find("a=rtpmap:109 opus/48000"), std::string::npos);
             if (offer) {
               ASSERT_NE(sdp.find("a=rtpmap:0 PCMU/8000"), std::string::npos);
             }
         break;
       case SHOULD_SEND_AUDIO:
             ASSERT_NE(sdp.find("a=rtpmap:109 opus/48000"), std::string::npos);
             ASSERT_NE(sdp.find(" 0-15\r\na=sendonly"), std::string::npos);
             if (offer) {
               ASSERT_NE(sdp.find("a=rtpmap:0 PCMU/8000"), std::string::npos);
             }
         break;
       case SHOULD_RECV_AUDIO:
             ASSERT_NE(sdp.find("a=rtpmap:109 opus/48000"), std::string::npos);
             ASSERT_NE(sdp.find(" 0-15\r\na=recvonly"), std::string::npos);
             if (offer) {
               ASSERT_NE(sdp.find("a=rtpmap:0 PCMU/8000"), std::string::npos);
             }
         break;
       case SHOULD_SENDRECV_AUDIO:
             ASSERT_NE(sdp.find("a=rtpmap:109 opus/48000"), std::string::npos);
             ASSERT_NE(sdp.find(" 0-15\r\na=sendrecv"), std::string::npos);
             if (offer) {
               ASSERT_NE(sdp.find("a=rtpmap:0 PCMU/8000"), std::string::npos);
             }
         break;
       case SHOULD_INACTIVE_AUDIO:
             ASSERT_NE(sdp.find("a=rtpmap:109 opus/48000"), std::string::npos);
             ASSERT_NE(sdp.find(" 0-15\r\na=inactive"), std::string::npos);
         break;
       case SHOULD_REJECT_AUDIO:
             ASSERT_EQ(sdp.find("a=rtpmap:109 opus/48000"), std::string::npos);
             ASSERT_NE(sdp.find("m=audio 0 "), std::string::npos);
         break;
       case SHOULD_OMIT_AUDIO:
             ASSERT_EQ(sdp.find("m=audio"), std::string::npos);
         break;
       case DONT_CHECK_AUDIO:
         break;
       default:
             ASSERT_FALSE("Missing case in switch statement");
     }
     switch(flags & VIDEO_FLAGS) {
       case 0:
             ASSERT_EQ(sdp.find("a=rtpmap:120 VP8/90000"), std::string::npos);
         break;
       case SHOULD_CHECK_VIDEO:
             ASSERT_NE(sdp.find("a=rtpmap:120 VP8/90000"), std::string::npos);
         break;
       case SHOULD_SEND_VIDEO:
             ASSERT_NE(sdp.find("a=rtpmap:120 VP8/90000\r\na=sendonly"),
                   std::string::npos);
         break;
       case SHOULD_RECV_VIDEO:
             ASSERT_NE(sdp.find("a=rtpmap:120 VP8/90000\r\na=recvonly"),
                   std::string::npos);
         break;
       case SHOULD_SENDRECV_VIDEO:
             ASSERT_NE(sdp.find("a=rtpmap:120 VP8/90000\r\na=sendrecv"),
                   std::string::npos);
         break;
       case SHOULD_INACTIVE_VIDEO:
             ASSERT_NE(sdp.find("a=rtpmap:120 VP8/90000\r\na=inactive"),
                       std::string::npos);
         break;
       case SHOULD_REJECT_VIDEO:
             ASSERT_NE(sdp.find("m=video 0 "), std::string::npos);
         break;
       case SHOULD_OMIT_VIDEO:
             ASSERT_EQ(sdp.find("m=video"), std::string::npos);
         break;
       case DONT_CHECK_VIDEO:
         break;
       default:
             ASSERT_FALSE("Missing case in switch statement");
     }
     if (flags & SHOULD_INCLUDE_DATA) {
       ASSERT_NE(sdp.find("m=application"), std::string::npos);
     } else if (!(flags & DONT_CHECK_DATA)) {
       ASSERT_EQ(sdp.find("m=application"), std::string::npos);
     }
   }
 };
 class SignalingEnvironment : public ::testing::Environment {
  public:
   void TearDown() {
     // Signaling is shut down in XPCOM shutdown
   }
 };
 class SignalingAgentTest : public ::testing::Test {
  public:
   static void SetUpTestCase() {
   }
   void TearDown() {
     // Delete all the agents.
     for (size_t i=0; i < agents_.size(); i++) {
       delete agents_[i];
     }
   }
   bool CreateAgent() {
     return CreateAgent(g_stun_server_address, g_stun_server_port);
   }
   bool CreateAgent(const std::string stun_addr, uint16_t stun_port,
                    bool wait_for_gather = true) {
     ScopedDeletePtr<SignalingAgent> agent(
         new SignalingAgent("agent", stun_addr, stun_port));
     agent->Init(gMainThread);
     if (wait_for_gather) {
       if (!agent->WaitForGatherAllowFail())
         return false;
     }
     agents_.push_back(agent.forget());
     return true;
   }
   void CreateAgentNoInit() {
     ScopedDeletePtr<SignalingAgent> agent(new SignalingAgent("agent"));
     agents_.push_back(agent.forget());
   }
   SignalingAgent *agent(size_t i) {
     return agents_[i];
   }
  private:
   std::vector<SignalingAgent *> agents_;
 };
 class SignalingTest : public ::testing::Test {
 public:
   SignalingTest()
       : init_(false),
         a1_(nullptr),
         a2_(nullptr),
         wait_for_gather_(true),
         stun_addr_(g_stun_server_address),
         stun_port_(g_stun_server_port) {}
   SignalingTest(const std::string& stun_addr, uint16_t stun_port)
       : a1_(nullptr),
         a2_(nullptr),
         wait_for_gather_(true),
         stun_addr_(stun_addr),
         stun_port_(stun_port) {}
   static void SetUpTestCase() {
   }
   void EnsureInit() {
     if (init_)
       return;
     a1_ = new SignalingAgent(callerName, stun_addr_, stun_port_);
     a2_ = new SignalingAgent(calleeName, stun_addr_, stun_port_);
     a1_->Init(gMainThread);
     a2_->Init(gMainThread);
     if (wait_for_gather_) {
       WaitForGather();
     }
   }
   void WaitForGather() {
     a1_->WaitForGather();
     a2_->WaitForGather();
   }
   static void TearDownTestCase() {
   }
   void CreateOffer(sipcc::MediaConstraints& constraints,
                    uint32_t offerFlags, uint32_t sdpCheck) {
     EnsureInit();
     a1_->CreateOffer(constraints, offerFlags, sdpCheck);
   }
   void CreateSetOffer(sipcc::MediaConstraints& constraints, uint32_t sdpCheck) {
     EnsureInit();
     a1_->CreateOffer(constraints, OFFER_AV, sdpCheck);
     a1_->SetLocal(TestObserver::OFFER, a1_->offer());
   }
   void OfferAnswer(sipcc::MediaConstraints& aconstraints,
                    sipcc::MediaConstraints& bconstraints,
                    uint32_t offerAnswerFlags,
                    bool finishAfterAnswer, uint32_t offerSdpCheck,
                    uint32_t answerSdpCheck) {
     EnsureInit();
     a1_->CreateOffer(aconstraints, offerAnswerFlags, offerSdpCheck);
     a1_->SetLocal(TestObserver::OFFER, a1_->offer());
     a2_->SetRemote(TestObserver::OFFER, a1_->offer());
     a2_->CreateAnswer(bconstraints, a1_->offer(),
                      offerAnswerFlags, answerSdpCheck);
     if(true == finishAfterAnswer) {
         a2_->SetLocal(TestObserver::ANSWER, a2_->answer());
         a1_->SetRemote(TestObserver::ANSWER, a2_->answer());
         ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
         ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
     }
   }
   void OfferModifiedAnswer(sipcc::MediaConstraints& aconstraints,
                            sipcc::MediaConstraints& bconstraints,
                            uint32_t offerSdpCheck, uint32_t answerSdpCheck) {
     EnsureInit();
     a1_->CreateOffer(aconstraints, OFFER_AUDIO, offerSdpCheck);
     a1_->SetLocal(TestObserver::OFFER, a1_->offer());
     a2_->SetRemote(TestObserver::OFFER, a1_->offer());
     a2_->CreateAnswer(bconstraints, a1_->offer(), OFFER_AUDIO | ANSWER_AUDIO,
                      answerSdpCheck);
     a2_->SetLocal(TestObserver::ANSWER, a2_->answer());
     ParsedSDP sdpWrapper(a2_->answer());
     sdpWrapper.ReplaceLine("m=audio", "m=audio 65375 RTP/SAVPF 109 8 101\r\n");
     sdpWrapper.AddLine("a=rtpmap:8 PCMA/8000\r\n");
     std::cout << "Modified SDP " << std::endl
               << indent(sdpWrapper.getSdp()) << std::endl;
     a1_->SetRemote(TestObserver::ANSWER, sdpWrapper.getSdp());
     ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
     ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   }
   void OfferAnswerTrickle(sipcc::MediaConstraints& aconstraints,
                           sipcc::MediaConstraints& bconstraints,
                           uint32_t offerSdpCheck, uint32_t answerSdpCheck) {
     EnsureInit();
     a1_->CreateOffer(aconstraints, OFFER_AV, offerSdpCheck);
     a1_->SetLocal(TestObserver::OFFER, a1_->offer());
     ParsedSDP a1_offer(a1_->offer());
     a2_->SetRemote(TestObserver::OFFER, a1_offer.sdp_without_ice_);
     a2_->CreateAnswer(bconstraints, a1_offer.sdp_without_ice_,
                      OFFER_AV|ANSWER_AV, answerSdpCheck);
     a2_->SetLocal(TestObserver::ANSWER, a2_->answer());
     ParsedSDP a2_answer(a2_->answer());
     a1_->SetRemote(TestObserver::ANSWER, a2_answer.sdp_without_ice_);
     // Now set the trickle ICE candidates
     a1_->DoTrickleIce(a2_answer);
     a2_->DoTrickleIce(a1_offer);
     ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
     ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   }
   void OfferAnswerTrickleChrome(sipcc::MediaConstraints& aconstraints,
                           sipcc::MediaConstraints& bconstraints,
                           uint32_t offerSdpCheck, uint32_t answerSdpCheck) {
     EnsureInit();
     a1_->CreateOffer(aconstraints, OFFER_AV, offerSdpCheck);
     a1_->SetLocal(TestObserver::OFFER, a1_->offer());
     ParsedSDP a1_offer(a1_->offer());
     a2_->SetRemote(TestObserver::OFFER, a1_offer.sdp_without_ice_);
     a2_->CreateAnswer(bconstraints, a1_offer.sdp_without_ice_,
                      OFFER_AV|ANSWER_AV, answerSdpCheck);
     a2_->SetLocal(TestObserver::ANSWER, a2_->answer());
     ParsedSDP a2_answer(a2_->answer());
     a1_->SetRemote(TestObserver::ANSWER, a2_answer.sdp_without_ice_);
     // Now set the trickle ICE candidates
     a1_->DoTrickleIceChrome(a2_answer);
     a2_->DoTrickleIceChrome(a1_offer);
     ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
     ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   }
   void CreateOfferRemoveStream(sipcc::MediaConstraints& constraints,
                                uint32_t hints, uint32_t sdpCheck) {
     EnsureInit();
     sipcc::MediaConstraints aconstraints;
     aconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
     aconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
     a1_->CreateOffer(aconstraints, OFFER_AV, SHOULD_SENDRECV_AV );
     a1_->CreateOfferRemoveStream(constraints, hints, sdpCheck);
   }
   void CreateOfferAudioOnly(sipcc::MediaConstraints& constraints,
                             uint32_t sdpCheck) {
     EnsureInit();
     a1_->CreateOffer(constraints, OFFER_AUDIO, sdpCheck);
   }
   void CreateOfferAddCandidate(sipcc::MediaConstraints& constraints,
                                const char * candidate, const char * mid,
                                unsigned short level, uint32_t sdpCheck) {
     EnsureInit();
     a1_->CreateOffer(constraints, OFFER_AV, sdpCheck);
     a1_->AddIceCandidate(candidate, mid, level, true);
   }
   void AddIceCandidateEarly(const char * candidate, const char * mid,
                             unsigned short level) {
     EnsureInit();
     a1_->AddIceCandidate(candidate, mid, level, false);
   }
   void CheckRtcpFbSdp(const std::string &sdp,
                       const std::set<std::string>& expected) {
     std::set<std::string>::const_iterator it;
     // Iterate through the list of expected feedback types and ensure
     // that none of them are missing.
     for (it = expected.begin(); it != expected.end(); ++it) {
       std::string attr = std::string("\r\na=rtcp-fb:120 ") + (*it) + "\r\n";
       std::cout << " - Checking for a=rtcp-fb: '" << *it << "'" << std::endl;
       ASSERT_NE(sdp.find(attr), std::string::npos);
     }
     // Iterate through all of the rtcp-fb lines in the SDP and ensure
     // that all of them are expected.
     ParsedSDP sdpWrapper(sdp);
     std::vector<std::string> values = sdpWrapper.GetLines("a=rtcp-fb:120");
     std::vector<std::string>::iterator it2;
     for (it2 = values.begin(); it2 != values.end(); ++it2) {
       std::cout << " - Verifying that rtcp-fb is okay: '" << *it2
                 << "'" << std::endl;
       ASSERT_NE(0U, expected.count(*it2));
     }
   }
   void TestRtcpFb(const std::set<std::string>& feedback,
                   uint32_t rtcpFbFlags,
                   VideoSessionConduit::FrameRequestType frameRequestMethod) {
     EnsureInit();
     sipcc::MediaConstraints constraints;
     a1_->CreateOffer(constraints, OFFER_AV, SHOULD_SENDRECV_AV);
     a1_->SetLocal(TestObserver::OFFER, a1_->offer());
     ParsedSDP sdpWrapper(a1_->offer());
     // Strip out any existing rtcp-fb lines
     sdpWrapper.DeleteAllLines("a=rtcp-fb:120");
     // Add rtcp-fb lines for the desired feedback types
     // We know that the video section is generated second (last),
     // so appending these to the end of the SDP has the desired effect.
     std::set<std::string>::const_iterator it;
     for (it = feedback.begin(); it != feedback.end(); ++it) {
       sdpWrapper.AddLine(std::string("a=rtcp-fb:120 ") + (*it) + "\r\n");
     }
     std::cout << "Modified SDP " << std::endl
               << indent(sdpWrapper.getSdp()) << std::endl;
     // Double-check that the offered SDP matches what we expect
     CheckRtcpFbSdp(sdpWrapper.getSdp(), feedback);
     a2_->SetRemote(TestObserver::OFFER, sdpWrapper.getSdp());
     a2_->CreateAnswer(constraints, sdpWrapper.getSdp(), OFFER_AV | ANSWER_AV);
     CheckRtcpFbSdp(a2_->answer(), feedback);
     a2_->SetLocal(TestObserver::ANSWER, a2_->answer());
     a1_->SetRemote(TestObserver::ANSWER, a2_->answer());
     ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
     ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
     a1_->CloseSendStreams();
     a1_->CloseReceiveStreams();
     a2_->CloseSendStreams();
     a2_->CloseReceiveStreams();
     // Check caller video settings for remote pipeline
     a1_->CheckMediaPipeline(0, 2, (fRtcpMux ? PIPELINE_RTCP_MUX : 0) |
       PIPELINE_SEND | PIPELINE_VIDEO | rtcpFbFlags, frameRequestMethod);
     // Check callee video settings for remote pipeline
     a2_->CheckMediaPipeline(0, 2, (fRtcpMux ? PIPELINE_RTCP_MUX : 0) |
       PIPELINE_VIDEO | rtcpFbFlags, frameRequestMethod);
   }
   void SetTestStunServer() {
     stun_addr_ = TestStunServer::GetInstance()->addr();
     stun_port_ = TestStunServer::GetInstance()->port();
     TestStunServer::GetInstance()->SetActive(false);
     TestStunServer::GetInstance()->SetResponseAddr(
         kBogusSrflxAddress, kBogusSrflxPort);
   }
   // Check max-fs and max-fr in SDP
   void CheckMaxFsFrSdp(const std::string sdp,
                        int format,
                        int max_fs,
                        int max_fr) {
     ParsedSDP sdpWrapper(sdp);
     std::stringstream ss;
     ss << "a=fmtp:" << format;
     std::vector<std::string> lines = sdpWrapper.GetLines(ss.str());
     // Both max-fs and max-fr not exist
     if (lines.empty()) {
       ASSERT_EQ(max_fs, 0);
       ASSERT_EQ(max_fr, 0);
       return;
     }
     // At most one instance allowed for each format
     ASSERT_EQ(lines.size(), 1U);
     std::string line = lines.front();
     // Make sure that max-fs doesn't exist
     if (max_fs == 0) {
       ASSERT_EQ(line.find("max-fs="), std::string::npos);
     }
     // Check max-fs value
     if (max_fs > 0) {
       std::stringstream ss;
       ss << "max-fs=" << max_fs;
       ASSERT_NE(line.find(ss.str()), std::string::npos);
     }
     // Make sure that max-fr doesn't exist
     if (max_fr == 0) {
       ASSERT_EQ(line.find("max-fr="), std::string::npos);
     }
     // Check max-fr value
     if (max_fr > 0) {
       std::stringstream ss;
       ss << "max-fr=" << max_fr;
       ASSERT_NE(line.find(ss.str()), std::string::npos);
     }
   }
  protected:
   bool init_;
   ScopedDeletePtr<SignalingAgent> a1_;  // Canonically "caller"
   ScopedDeletePtr<SignalingAgent> a2_;  // Canonically "callee"
   bool wait_for_gather_;
   std::string stun_addr_;
   uint16_t stun_port_;
 };
 static void SetIntPrefOnMainThread(nsCOMPtr<nsIPrefBranch> prefs,
   const char *pref_name,
   int new_value) {
   MOZ_ASSERT(NS_IsMainThread());
   prefs->SetIntPref(pref_name, new_value);
 }
 static void SetMaxFsFr(nsCOMPtr<nsIPrefBranch> prefs,
   int max_fs,
   int max_fr) {
   gMainThread->Dispatch(
     WrapRunnableNM(SetIntPrefOnMainThread,
       prefs,
       "media.navigator.video.max_fs",
       max_fs),
     NS_DISPATCH_SYNC);
   gMainThread->Dispatch(
     WrapRunnableNM(SetIntPrefOnMainThread,
       prefs,
       "media.navigator.video.max_fr",
       max_fr),
     NS_DISPATCH_SYNC);
 }
 class FsFrPrefClearer {
   public:
     FsFrPrefClearer(nsCOMPtr<nsIPrefBranch> prefs): mPrefs(prefs) {}
     ~FsFrPrefClearer() {
       gMainThread->Dispatch(
         WrapRunnableNM(FsFrPrefClearer::ClearUserPrefOnMainThread,
           mPrefs,
           "media.navigator.video.max_fs"),
         NS_DISPATCH_SYNC);
       gMainThread->Dispatch(
         WrapRunnableNM(FsFrPrefClearer::ClearUserPrefOnMainThread,
           mPrefs,
           "media.navigator.video.max_fr"),
         NS_DISPATCH_SYNC);
     }
     static void ClearUserPrefOnMainThread(nsCOMPtr<nsIPrefBranch> prefs,
       const char *pref_name) {
       MOZ_ASSERT(NS_IsMainThread());
       prefs->ClearUserPref(pref_name);
     }
   private:
     nsCOMPtr<nsIPrefBranch> mPrefs;
 };
 TEST_F(SignalingTest, JustInit)
 {
 }
 TEST_F(SignalingTest, CreateSetOffer)
 {
   sipcc::MediaConstraints constraints;
   CreateSetOffer(constraints, SHOULD_SENDRECV_AV);
 }
 TEST_F(SignalingTest, CreateOfferAudioVideoConstraintUndefined)
 {
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AV, SHOULD_SENDRECV_AV);
 }
 TEST_F(SignalingTest, CreateOfferNoVideoStreamRecvVideo)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   CreateOffer(constraints, OFFER_AUDIO,
               SHOULD_SENDRECV_AUDIO | SHOULD_RECV_VIDEO);
 }
 TEST_F(SignalingTest, CreateOfferNoAudioStreamRecvAudio)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   CreateOffer(constraints, OFFER_VIDEO,
               SHOULD_RECV_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, CreateOfferNoVideoStream)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   CreateOffer(constraints, OFFER_AUDIO,
               SHOULD_SENDRECV_AUDIO | SHOULD_OMIT_VIDEO);
 }
 TEST_F(SignalingTest, CreateOfferNoAudioStream)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   CreateOffer(constraints, OFFER_VIDEO,
               SHOULD_OMIT_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, CreateOfferDontReceiveAudio)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   CreateOffer(constraints, OFFER_AV,
               SHOULD_SEND_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, CreateOfferDontReceiveVideo)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   CreateOffer(constraints, OFFER_AV,
               SHOULD_SENDRECV_AUDIO | SHOULD_SEND_VIDEO);
 }
 // XXX Disabled pending resolution of Bug 840728
 TEST_F(SignalingTest, DISABLED_CreateOfferRemoveAudioStream)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   CreateOfferRemoveStream(constraints, DOMMediaStream::HINT_CONTENTS_AUDIO,
               SHOULD_RECV_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 // XXX Disabled pending resolution of Bug 840728
 TEST_F(SignalingTest, DISABLED_CreateOfferDontReceiveAudioRemoveAudioStream)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   CreateOfferRemoveStream(constraints, DOMMediaStream::HINT_CONTENTS_AUDIO,
               SHOULD_SENDRECV_VIDEO);
 }
 // XXX Disabled pending resolution of Bug 840728
 TEST_F(SignalingTest, DISABLED_CreateOfferDontReceiveVideoRemoveVideoStream)
 {
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   CreateOfferRemoveStream(constraints, DOMMediaStream::HINT_CONTENTS_VIDEO,
               SHOULD_SENDRECV_AUDIO);
 }
 TEST_F(SignalingTest, OfferAnswerNothingDisabled)
 {
   sipcc::MediaConstraints constraints;
   OfferAnswer(constraints, constraints, OFFER_AV | ANSWER_AV, false,
               SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
 }
 TEST_F(SignalingTest, OfferAnswerDontReceiveAudioOnOffer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_AV,
               false, SHOULD_SEND_AUDIO | SHOULD_SENDRECV_VIDEO,
               SHOULD_RECV_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontReceiveVideoOnOffer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_AV,
               false, SHOULD_SENDRECV_AUDIO | SHOULD_SEND_VIDEO,
               SHOULD_SENDRECV_AUDIO | SHOULD_RECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontReceiveAudioOnAnswer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_AV,
               false, SHOULD_SENDRECV_AV,
               SHOULD_SEND_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontReceiveVideoOnAnswer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_AV,
               false, SHOULD_SENDRECV_AV,
               SHOULD_SENDRECV_AUDIO | SHOULD_SEND_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddAudioStreamOnOfferRecvAudio)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_VIDEO | ANSWER_AV,
               false, SHOULD_RECV_AUDIO | SHOULD_SENDRECV_VIDEO,
               SHOULD_SEND_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddAudioStreamOnOffer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_VIDEO | ANSWER_AV,
               false, SHOULD_OMIT_AUDIO | SHOULD_SENDRECV_VIDEO,
               SHOULD_OMIT_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddVideoStreamOnOfferRecvVideo)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AUDIO | ANSWER_AV,
               false, SHOULD_SENDRECV_AUDIO | SHOULD_RECV_VIDEO,
               SHOULD_SENDRECV_AUDIO | SHOULD_SEND_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddVideoStreamOnOffer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AUDIO | ANSWER_AV,
               false, SHOULD_SENDRECV_AUDIO | SHOULD_OMIT_VIDEO,
               SHOULD_SENDRECV_AUDIO | SHOULD_OMIT_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddAudioStreamOnAnswer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_VIDEO,
               false, SHOULD_SENDRECV_AV,
               SHOULD_RECV_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddVideoStreamOnAnswer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_AUDIO,
               false, SHOULD_SENDRECV_AV,
               SHOULD_SENDRECV_AUDIO | SHOULD_RECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddVideoStreamOnAnswerDontReceiveVideoOnAnswer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_AUDIO,
               false, SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AUDIO );
 }
 TEST_F(SignalingTest, OfferAnswerDontAddAudioStreamOnAnswerDontReceiveAudioOnAnswer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_VIDEO,
               false, SHOULD_SENDRECV_AV,
               SHOULD_REJECT_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddAudioStreamOnOfferDontReceiveAudioOnOffer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_VIDEO | ANSWER_AV,
               false, SHOULD_SENDRECV_VIDEO, SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddVideoStreamOnOfferDontReceiveVideoOnOffer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AUDIO | ANSWER_AV,
               false, SHOULD_SENDRECV_AUDIO | SHOULD_OMIT_VIDEO,
               SHOULD_SENDRECV_AUDIO | SHOULD_OMIT_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontReceiveAudioNoAudioStreamOnOfferDontReceiveVideoOnAnswer)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", false, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_VIDEO | ANSWER_AV,
               false, SHOULD_SENDRECV_VIDEO, SHOULD_SEND_VIDEO);
 }
 TEST_F(SignalingTest, CreateOfferAddCandidate)
 {
   sipcc::MediaConstraints constraints;
   CreateOfferAddCandidate(constraints, strSampleCandidate.c_str(),
                           strSampleMid.c_str(), nSamplelevel,
                           SHOULD_SENDRECV_AV);
 }
 TEST_F(SignalingTest, AddIceCandidateEarly)
 {
   sipcc::MediaConstraints constraints;
   AddIceCandidateEarly(strSampleCandidate.c_str(),
                        strSampleMid.c_str(), nSamplelevel);
 }
 // XXX adam@nostrum.com -- This test seems questionable; we need to think
 // through what actually needs to be tested here.
 TEST_F(SignalingTest, DISABLED_OfferAnswerReNegotiateOfferAnswerDontReceiveVideoNoVideoStream)
 {
   sipcc::MediaConstraints aconstraints;
   aconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   aconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints bconstraints;
   bconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   bconstraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   OfferAnswer(aconstraints, aconstraints, OFFER_AV | ANSWER_AV,
               false, SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
   OfferAnswer(bconstraints, bconstraints, OFFER_AUDIO | ANSWER_AV,
               false, SHOULD_SENDRECV_AUDIO | SHOULD_SEND_VIDEO,
               SHOULD_SENDRECV_AUDIO | SHOULD_INACTIVE_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddAudioStreamOnAnswerNoConstraints)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_VIDEO,
               false, SHOULD_SENDRECV_AV,
               SHOULD_RECV_AUDIO | SHOULD_SENDRECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddVideoStreamOnAnswerNoConstraints)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_AUDIO,
               false, SHOULD_SENDRECV_AV,
               SHOULD_SENDRECV_AUDIO | SHOULD_RECV_VIDEO);
 }
 TEST_F(SignalingTest, OfferAnswerDontAddAudioVideoStreamsOnAnswerNoConstraints)
 {
   sipcc::MediaConstraints offerconstraints;
   offerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   offerconstraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   sipcc::MediaConstraints answerconstraints;
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_NONE,
               false, SHOULD_SENDRECV_AV,
               SHOULD_RECV_AUDIO | SHOULD_RECV_VIDEO);
 }
 TEST_F(SignalingTest, FullCall)
 {
   sipcc::MediaConstraints constraints;
   OfferAnswer(constraints, constraints, OFFER_AV | ANSWER_AV,
               true, SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   // Check that we wrote a bunch of data
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   //ASSERT_GE(a2_->GetPacketsSent(0), 40);
   //ASSERT_GE(a1_->GetPacketsReceived(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
   // Check the low-level media pipeline
   // for RTP and RTCP flows
   // The first Local pipeline gets stored at 0
   a1_->CheckMediaPipeline(0, 0, fRtcpMux ?
     PIPELINE_LOCAL | PIPELINE_RTCP_MUX | PIPELINE_SEND :
     PIPELINE_LOCAL | PIPELINE_SEND);
   // The first Remote pipeline gets stored at 1
   a2_->CheckMediaPipeline(0, 1, (fRtcpMux ?  PIPELINE_RTCP_MUX : 0));
 }
 TEST_F(SignalingTest, FullCallAudioOnly)
 {
   sipcc::MediaConstraints constraints;
   OfferAnswer(constraints, constraints, OFFER_AUDIO | ANSWER_AUDIO,
               true, SHOULD_SENDRECV_AUDIO, SHOULD_SENDRECV_AUDIO);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   // Check that we wrote a bunch of data
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   //ASSERT_GE(a2_->GetPacketsSent(0), 40);
   //ASSERT_GE(a1_->GetPacketsReceived(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 TEST_F(SignalingTest, FullCallAnswererRejectsVideo)
 {
   sipcc::MediaConstraints offerconstraints;
   sipcc::MediaConstraints answerconstraints;
   answerconstraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   answerconstraints.setBooleanConstraint("OfferToReceiveVideo", false, false);
   OfferAnswer(offerconstraints, answerconstraints, OFFER_AV | ANSWER_AUDIO,
               true, SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AUDIO);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   // Check that we wrote a bunch of data
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   //ASSERT_GE(a2_->GetPacketsSent(0), 40);
   //ASSERT_GE(a1_->GetPacketsReceived(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 TEST_F(SignalingTest, FullCallVideoOnly)
 {
   sipcc::MediaConstraints constraints;
   OfferAnswer(constraints, constraints, OFFER_VIDEO | ANSWER_VIDEO,
               true, SHOULD_SENDRECV_VIDEO, SHOULD_SENDRECV_VIDEO);
   // If we could check for video packets, we would wait for some to be written
   // here. Since we can't, we don't.
   // ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
   //                 a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   // FIXME -- Ideally we would check that packets were sent
   // and received; however, the test driver setup does not
   // currently support sending/receiving with Fake_VideoStreamSource.
   //
   // Check that we wrote a bunch of data
   // ASSERT_GE(a1_->GetPacketsSent(0), 40);
   //ASSERT_GE(a2_->GetPacketsSent(0), 40);
   //ASSERT_GE(a1_->GetPacketsReceived(0), 40);
   // ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 TEST_F(SignalingTest, OfferModifiedAnswer)
 {
   sipcc::MediaConstraints constraints;
   OfferModifiedAnswer(constraints, constraints, SHOULD_SENDRECV_AUDIO,
                       SHOULD_SENDRECV_AUDIO);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
 }
 TEST_F(SignalingTest, FullCallTrickle)
 {
   sipcc::MediaConstraints constraints;
   OfferAnswerTrickle(constraints, constraints,
                      SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
   std::cerr << "ICE handshake completed" << std::endl;
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 // Offer answer with trickle but with chrome-style candidates
 TEST_F(SignalingTest, FullCallTrickleChrome)
 {
   sipcc::MediaConstraints constraints;
   OfferAnswerTrickleChrome(constraints, constraints,
                            SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
   std::cerr << "ICE handshake completed" << std::endl;
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 // This test comes from Bug 810220
 TEST_F(SignalingTest, AudioOnlyG711Call)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   const std::string& offer(strG711SdpOffer);
   std::cout << "Setting offer to:" << std::endl << indent(offer) << std::endl;
   a2_->SetRemote(TestObserver::OFFER, offer);
   std::cout << "Creating answer:" << std::endl;
   a2_->CreateAnswer(constraints, offer, OFFER_AUDIO | ANSWER_AUDIO,
                    DONT_CHECK_AUDIO | DONT_CHECK_VIDEO | DONT_CHECK_DATA);
   std::string answer = a2_->answer();
   // They didn't offer opus, so our answer shouldn't include it.
   ASSERT_EQ(answer.find(" opus/"), std::string::npos);
   // They also didn't offer video or application
   ASSERT_EQ(answer.find("video"), std::string::npos);
   ASSERT_EQ(answer.find("application"), std::string::npos);
   // We should answer with PCMU and telephone-event
   ASSERT_NE(answer.find(" PCMU/8000"), std::string::npos);
   ASSERT_NE(answer.find(" telephone-event/8000"), std::string::npos);
   // Double-check the directionality
   ASSERT_NE(answer.find("\r\na=sendrecv"), std::string::npos);
 }
 // This test comes from Bug814038
 TEST_F(SignalingTest, ChromeOfferAnswer)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   // This is captured SDP from an early interop attempt with Chrome.
   std::string offer =
     "v=0\r\n"
     "o=- 1713781661 2 IN IP4 127.0.0.1\r\n"
     "s=-\r\n"
     "t=0 0\r\n"
     "a=group:BUNDLE audio video\r\n"
     "m=audio 1 RTP/SAVPF 103 104 111 0 8 107 106 105 13 126\r\n"
     "a=fingerprint:sha-1 4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:"
       "5D:49:6B:19:E5:7C:AB\r\n"
     "c=IN IP4 0.0.0.0\r\n"
     "a=rtcp:1 IN IP4 0.0.0.0\r\n"
     "a=ice-ufrag:lBrbdDfrVBH1cldN\r\n"
     "a=ice-pwd:rzh23jet4QpCaEoj9Sl75pL3\r\n"
     "a=ice-options:google-ice\r\n"
     "a=sendrecv\r\n"
     "a=mid:audio\r\n"
     "a=rtcp-mux\r\n"
     "a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:"
       "RzrYlzpkTsvgYFD1hQqNCzQ7y4emNLKI1tODsjim\r\n"
     "a=rtpmap:103 ISAC/16000\r\n"
     "a=rtpmap:104 ISAC/32000\r\n"
     // NOTE: the actual SDP that Chrome sends at the moment
     // doesn't indicate two channels. I've amended their SDP
     // here, under the assumption that the constraints
     // described in draft-spittka-payload-rtp-opus will
     // eventually be implemented by Google.
     "a=rtpmap:111 opus/48000/2\r\n"
     "a=rtpmap:0 PCMU/8000\r\n"
     "a=rtpmap:8 PCMA/8000\r\n"
     "a=rtpmap:107 CN/48000\r\n"
     "a=rtpmap:106 CN/32000\r\n"
     "a=rtpmap:105 CN/16000\r\n"
     "a=rtpmap:13 CN/8000\r\n"
     "a=rtpmap:126 telephone-event/8000\r\n"
     "a=ssrc:661333377 cname:KIXaNxUlU5DP3fVS\r\n"
     "a=ssrc:661333377 msid:A5UL339RyGxT7zwgyF12BFqesxkmbUsaycp5 a0\r\n"
     "a=ssrc:661333377 mslabel:A5UL339RyGxT7zwgyF12BFqesxkmbUsaycp5\r\n"
     "a=ssrc:661333377 label:A5UL339RyGxT7zwgyF12BFqesxkmbUsaycp5a0\r\n"
     "m=video 1 RTP/SAVPF 100 101 102\r\n"
     "a=fingerprint:sha-1 4A:AD:B9:B1:3F:82:18:3B:54:02:12:DF:3E:5D:49:"
       "6B:19:E5:7C:AB\r\n"
     "c=IN IP4 0.0.0.0\r\n"
     "a=rtcp:1 IN IP4 0.0.0.0\r\n"
     "a=ice-ufrag:lBrbdDfrVBH1cldN\r\n"
     "a=ice-pwd:rzh23jet4QpCaEoj9Sl75pL3\r\n"
     "a=ice-options:google-ice\r\n"
     "a=sendrecv\r\n"
     "a=mid:video\r\n"
     "a=rtcp-mux\r\n"
     "a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:"
       "RzrYlzpkTsvgYFD1hQqNCzQ7y4emNLKI1tODsjim\r\n"
     "a=rtpmap:100 VP8/90000\r\n"
     "a=rtpmap:101 red/90000\r\n"
     "a=rtpmap:102 ulpfec/90000\r\n"
     "a=rtcp-fb:100 nack\r\n"
     "a=rtcp-fb:100 ccm fir\r\n"
     "a=ssrc:3012607008 cname:KIXaNxUlU5DP3fVS\r\n"
     "a=ssrc:3012607008 msid:A5UL339RyGxT7zwgyF12BFqesxkmbUsaycp5 v0\r\n"
     "a=ssrc:3012607008 mslabel:A5UL339RyGxT7zwgyF12BFqesxkmbUsaycp5\r\n"
     "a=ssrc:3012607008 label:A5UL339RyGxT7zwgyF12BFqesxkmbUsaycp5v0\r\n";
   std::cout << "Setting offer to:" << std::endl << indent(offer) << std::endl;
   a2_->SetRemote(TestObserver::OFFER, offer);
   std::cout << "Creating answer:" << std::endl;
   a2_->CreateAnswer(constraints, offer, OFFER_AUDIO | ANSWER_AUDIO);
   std::string answer = a2_->answer();
 }
 TEST_F(SignalingTest, FullChromeHandshake)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   constraints.setBooleanConstraint("OfferToReceiveAudio", true, false);
   constraints.setBooleanConstraint("OfferToReceiveVideo", true, false);
   std::string offer = "v=0\r\n"
       "o=- 3835809413 2 IN IP4 127.0.0.1\r\n"
       "s=-\r\n"
       "t=0 0\r\n"
       "a=group:BUNDLE audio video\r\n"
       "a=msid-semantic: WMS ahheYQXHFU52slYMrWNtKUyHCtWZsOJgjlOH\r\n"
       "m=audio 1 RTP/SAVPF 103 104 111 0 8 107 106 105 13 126\r\n"
       "c=IN IP4 1.1.1.1\r\n"
       "a=rtcp:1 IN IP4 1.1.1.1\r\n"
       "a=ice-ufrag:jz9UBk9RT8eCQXiL\r\n"
       "a=ice-pwd:iscXxsdU+0gracg0g5D45orx\r\n"
       "a=ice-options:google-ice\r\n"
       "a=fingerprint:sha-256 A8:76:8C:4C:FA:2E:67:D7:F8:1D:28:4E:90:24:04:"
         "12:EB:B4:A6:69:3D:05:92:E4:91:C3:EA:F9:B7:54:D3:09\r\n"
       "a=sendrecv\r\n"
       "a=mid:audio\r\n"
       "a=rtcp-mux\r\n"
       "a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:/he/v44FKu/QvEhex86zV0pdn2V"
         "4Y7wB2xaZ8eUy\r\n"
       "a=rtpmap:103 ISAC/16000\r\n"
       "a=rtpmap:104 ISAC/32000\r\n"
       "a=rtpmap:111 opus/48000/2\r\n"
       "a=rtpmap:0 PCMU/8000\r\n"
       "a=rtpmap:8 PCMA/8000\r\n"
       "a=rtpmap:107 CN/48000\r\n"
       "a=rtpmap:106 CN/32000\r\n"
       "a=rtpmap:105 CN/16000\r\n"
       "a=rtpmap:13 CN/8000\r\n"
       "a=rtpmap:126 telephone-event/8000\r\n"
       "a=ssrc:3389377748 cname:G5I+Jxz4rcaq8IIK\r\n"
       "a=ssrc:3389377748 msid:ahheYQXHFU52slYMrWNtKUyHCtWZsOJgjlOH a0\r\n"
       "a=ssrc:3389377748 mslabel:ahheYQXHFU52slYMrWNtKUyHCtWZsOJgjlOH\r\n"
       "a=ssrc:3389377748 label:ahheYQXHFU52slYMrWNtKUyHCtWZsOJgjlOHa0\r\n"
       "m=video 1 RTP/SAVPF 100 116 117\r\n"
       "c=IN IP4 1.1.1.1\r\n"
       "a=rtcp:1 IN IP4 1.1.1.1\r\n"
       "a=ice-ufrag:jz9UBk9RT8eCQXiL\r\n"
       "a=ice-pwd:iscXxsdU+0gracg0g5D45orx\r\n"
       "a=ice-options:google-ice\r\n"
       "a=fingerprint:sha-256 A8:76:8C:4C:FA:2E:67:D7:F8:1D:28:4E:90:24:04:"
         "12:EB:B4:A6:69:3D:05:92:E4:91:C3:EA:F9:B7:54:D3:09\r\n"
       "a=sendrecv\r\n"
       "a=mid:video\r\n"
       "a=rtcp-mux\r\n"
       "a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:/he/v44FKu/QvEhex86zV0pdn2V"
         "4Y7wB2xaZ8eUy\r\n"
       "a=rtpmap:100 VP8/90000\r\n"
       "a=rtpmap:116 red/90000\r\n"
       "a=rtpmap:117 ulpfec/90000\r\n"
       "a=ssrc:3613537198 cname:G5I+Jxz4rcaq8IIK\r\n"
       "a=ssrc:3613537198 msid:ahheYQXHFU52slYMrWNtKUyHCtWZsOJgjlOH v0\r\n"
       "a=ssrc:3613537198 mslabel:ahheYQXHFU52slYMrWNtKUyHCtWZsOJgjlOH\r\n"
       "a=ssrc:3613537198 label:ahheYQXHFU52slYMrWNtKUyHCtWZsOJgjlOHv0\r\n";
   std::cout << "Setting offer to:" << std::endl << indent(offer) << std::endl;
   a2_->SetRemote(TestObserver::OFFER, offer);
   std::cout << "Creating answer:" << std::endl;
   a2_->CreateAnswer(constraints, offer, OFFER_AUDIO | ANSWER_AUDIO);
   std::cout << "Setting answer" << std::endl;
   a2_->SetLocal(TestObserver::ANSWER, a2_->answer());
   std::string answer = a2_->answer();
   ASSERT_NE(answer.find("111 opus/"), std::string::npos);
 }
 // Disabled pending resolution of bug 818640.
 TEST_F(SignalingTest, DISABLED_OfferAllDynamicTypes)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   std::string offer;
   for (int i = 96; i < 128; i++)
   {
     std::stringstream ss;
     ss << i;
     std::cout << "Trying dynamic pt = " << i << std::endl;
     offer =
       "v=0\r\n"
       "o=- 1 1 IN IP4 148.147.200.251\r\n"
       "s=-\r\n"
       "b=AS:64\r\n"
       "t=0 0\r\n"
       "a=fingerprint:sha-256 F3:FA:20:C0:CD:48:C4:5F:02:5F:A5:D3:21:D0:2D:48:"
         "7B:31:60:5C:5A:D8:0D:CD:78:78:6C:6D:CE:CC:0C:67\r\n"
       "m=audio 9000 RTP/AVP " + ss.str() + "\r\n"
       "c=IN IP4 148.147.200.251\r\n"
       "b=TIAS:64000\r\n"
       "a=rtpmap:" + ss.str() +" opus/48000/2\r\n"
       "a=candidate:0 1 udp 2130706432 148.147.200.251 9000 typ host\r\n"
       "a=candidate:0 2 udp 2130706432 148.147.200.251 9005 typ host\r\n"
       "a=ice-ufrag:cYuakxkEKH+RApYE\r\n"
       "a=ice-pwd:bwtpzLZD+3jbu8vQHvEa6Xuq\r\n"
       "a=sendrecv\r\n";
       /*
       std::cout << "Setting offer to:" << std::endl
                 << indent(offer) << std::endl;
       */
       a2_->SetRemote(TestObserver::OFFER, offer);
       //std::cout << "Creating answer:" << std::endl;
       a2_->CreateAnswer(constraints, offer, OFFER_AUDIO | ANSWER_AUDIO);
       std::string answer = a2_->answer();
       ASSERT_NE(answer.find(ss.str() + " opus/"), std::string::npos);
   }
 }
 TEST_F(SignalingTest, OfferAnswerCheckDescriptions)
 {
   sipcc::MediaConstraints constraints;
   OfferAnswer(constraints, constraints, OFFER_AV | ANSWER_AV, true,
               SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
   std::cout << "Caller's Local Description: " << std::endl
             << indent(a1_->getLocalDescription()) << std::endl << std::endl;
   std::cout << "Caller's Remote Description: " << std::endl
             << indent(a1_->getRemoteDescription()) << std::endl << std::endl;
   std::cout << "Callee's Local Description: " << std::endl
             << indent(a2_->getLocalDescription()) << std::endl << std::endl;
   std::cout << "Callee's Remote Description: " << std::endl
             << indent(a2_->getRemoteDescription()) << std::endl << std::endl;
   ASSERT_EQ(a1_->getLocalDescription(),a2_->getRemoteDescription());
   ASSERT_EQ(a2_->getLocalDescription(),a1_->getRemoteDescription());
 }
 TEST_F(SignalingTest, CheckTrickleSdpChange)
 {
   sipcc::MediaConstraints constraints;
   OfferAnswerTrickle(constraints, constraints,
                      SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
   std::cerr << "ICE handshake completed" << std::endl;
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   std::cout << "Caller's Local Description: " << std::endl
             << indent(a1_->getLocalDescription()) << std::endl << std::endl;
   std::cout << "Caller's Remote Description: " << std::endl
             << indent(a1_->getRemoteDescription()) << std::endl << std::endl;
   std::cout << "Callee's Local Description: " << std::endl
             << indent(a2_->getLocalDescription()) << std::endl << std::endl;
   std::cout << "Callee's Remote Description: " << std::endl
             << indent(a2_->getRemoteDescription()) << std::endl << std::endl;
   ASSERT_NE(a1_->getLocalDescription().find("\r\na=candidate"),
             std::string::npos);
   ASSERT_NE(a1_->getRemoteDescription().find("\r\na=candidate"),
             std::string::npos);
   ASSERT_NE(a2_->getLocalDescription().find("\r\na=candidate"),
             std::string::npos);
   ASSERT_NE(a2_->getRemoteDescription().find("\r\na=candidate"),
             std::string::npos);
   /* TODO (abr): These checks aren't quite right, since trickle ICE
    * can easily result in SDP that is semantically identical but
    * varies syntactically (in particularly, the ordering of attributes
    * withing an m-line section can be different). This needs to be updated
    * to be a semantic comparision between the SDP. Currently, these checks
    * will fail whenever we add any other attributes to the SDP, such as
    * RTCP MUX or RTCP feedback.
   ASSERT_EQ(a1_->getLocalDescription(),a2_->getRemoteDescription());
   ASSERT_EQ(a2_->getLocalDescription(),a1_->getRemoteDescription());
   */
 }
 TEST_F(SignalingTest, ipAddrAnyOffer)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   std::string offer =
     "v=0\r\n"
     "o=- 1 1 IN IP4 127.0.0.1\r\n"
     "s=-\r\n"
     "b=AS:64\r\n"
     "t=0 0\r\n"
     "a=fingerprint:sha-256 F3:FA:20:C0:CD:48:C4:5F:02:5F:A5:D3:21:D0:2D:48:"
       "7B:31:60:5C:5A:D8:0D:CD:78:78:6C:6D:CE:CC:0C:67\r\n"
     "m=audio 9000 RTP/AVP 99\r\n"
     "c=IN IP4 0.0.0.0\r\n"
     "a=rtpmap:99 opus/48000/2\r\n"
     "a=ice-ufrag:cYuakxkEKH+RApYE\r\n"
     "a=ice-pwd:bwtpzLZD+3jbu8vQHvEa6Xuq\r\n"
     "a=sendrecv\r\n";
     a2_->SetRemote(TestObserver::OFFER, offer);
     ASSERT_TRUE(a2_->pObserver->state == TestObserver::stateSuccess);
     a2_->CreateAnswer(constraints, offer, OFFER_AUDIO | ANSWER_AUDIO);
     ASSERT_TRUE(a2_->pObserver->state == TestObserver::stateSuccess);
     std::string answer = a2_->answer();
     ASSERT_NE(answer.find("a=sendrecv"), std::string::npos);
 }
 static void CreateSDPForBigOTests(std::string& offer, const char *number) {
   offer =
     "v=0\r\n"
     "o=- ";
   offer += number;
   offer += " ";
   offer += number;
   offer += " IN IP4 127.0.0.1\r\n"
     "s=-\r\n"
     "b=AS:64\r\n"
     "t=0 0\r\n"
     "a=fingerprint:sha-256 F3:FA:20:C0:CD:48:C4:5F:02:5F:A5:D3:21:D0:2D:48:"
       "7B:31:60:5C:5A:D8:0D:CD:78:78:6C:6D:CE:CC:0C:67\r\n"
     "m=audio 9000 RTP/AVP 99\r\n"
     "c=IN IP4 0.0.0.0\r\n"
     "a=rtpmap:99 opus/48000/2\r\n"
     "a=ice-ufrag:cYuakxkEKH+RApYE\r\n"
     "a=ice-pwd:bwtpzLZD+3jbu8vQHvEa6Xuq\r\n"
     "a=sendrecv\r\n";
 }
 TEST_F(SignalingTest, BigOValues)
 {
   EnsureInit();
   std::string offer;
   CreateSDPForBigOTests(offer, "12345678901234567");
   a2_->SetRemote(TestObserver::OFFER, offer);
   ASSERT_EQ(a2_->pObserver->state, TestObserver::stateSuccess);
 }
 TEST_F(SignalingTest, BigOValuesExtraChars)
 {
   EnsureInit();
   std::string offer;
   CreateSDPForBigOTests(offer, "12345678901234567FOOBAR");
   // The signaling state will remain "stable" because the unparsable
   // SDP leads to a failure in SetRemoteDescription.
   a2_->SetRemote(TestObserver::OFFER, offer, true,
                  PCImplSignalingState::SignalingStable);
   ASSERT_TRUE(a2_->pObserver->state == TestObserver::stateError);
 }
 TEST_F(SignalingTest, BigOValuesTooBig)
 {
   EnsureInit();
   std::string offer;
   CreateSDPForBigOTests(offer, "18446744073709551615");
   // The signaling state will remain "stable" because the unparsable
   // SDP leads to a failure in SetRemoteDescription.
   a2_->SetRemote(TestObserver::OFFER, offer, true,
                  PCImplSignalingState::SignalingStable);
   ASSERT_TRUE(a2_->pObserver->state == TestObserver::stateError);
 }
 TEST_F(SignalingTest, SetLocalAnswerInStable)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // The signaling state will remain "stable" because the
   // SetLocalDescription call fails.
   a1_->SetLocal(TestObserver::ANSWER, a1_->offer(), true,
                 PCImplSignalingState::SignalingStable);
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 TEST_F(SignalingTest, SetRemoteAnswerInStable) {
   EnsureInit();
   // The signaling state will remain "stable" because the
   // SetRemoteDescription call fails.
   a1_->SetRemote(TestObserver::ANSWER, strSampleSdpAudioVideoNoIce, true,
                 PCImplSignalingState::SignalingStable);
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 TEST_F(SignalingTest, SetLocalAnswerInHaveLocalOffer) {
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   a1_->SetLocal(TestObserver::OFFER, a1_->offer());
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kNoError);
   // The signaling state will remain "have-local-offer" because the
   // SetLocalDescription call fails.
   a1_->SetLocal(TestObserver::ANSWER, a1_->offer(), true,
                 PCImplSignalingState::SignalingHaveLocalOffer);
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 TEST_F(SignalingTest, SetRemoteOfferInHaveLocalOffer) {
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   a1_->SetLocal(TestObserver::OFFER, a1_->offer());
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kNoError);
   // The signaling state will remain "have-local-offer" because the
   // SetRemoteDescription call fails.
   a1_->SetRemote(TestObserver::OFFER, a1_->offer(), true,
                  PCImplSignalingState::SignalingHaveLocalOffer);
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 TEST_F(SignalingTest, SetLocalOfferInHaveRemoteOffer) {
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   a2_->SetRemote(TestObserver::OFFER, a1_->offer());
   ASSERT_EQ(a2_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kNoError);
   // The signaling state will remain "have-remote-offer" because the
   // SetLocalDescription call fails.
   a2_->SetLocal(TestObserver::OFFER, a1_->offer(), true,
                 PCImplSignalingState::SignalingHaveRemoteOffer);
   ASSERT_EQ(a2_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 TEST_F(SignalingTest, SetRemoteAnswerInHaveRemoteOffer) {
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   a2_->SetRemote(TestObserver::OFFER, a1_->offer());
   ASSERT_EQ(a2_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kNoError);
   // The signaling state will remain "have-remote-offer" because the
   // SetRemoteDescription call fails.
   a2_->SetRemote(TestObserver::ANSWER, a1_->offer(), true,
                PCImplSignalingState::SignalingHaveRemoteOffer);
   ASSERT_EQ(a2_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 // Disabled until the spec adds a failure callback to addStream
 TEST_F(SignalingTest, DISABLED_AddStreamInHaveLocalOffer) {
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   a1_->SetLocal(TestObserver::OFFER, a1_->offer());
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kNoError);
   a1_->AddStream();
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 // Disabled until the spec adds a failure callback to removeStream
 TEST_F(SignalingTest, DISABLED_RemoveStreamInHaveLocalOffer) {
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   a1_->SetLocal(TestObserver::OFFER, a1_->offer());
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kNoError);
   a1_->RemoveLastStreamAdded();
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 TEST_F(SignalingTest, AddCandidateInHaveLocalOffer) {
   sipcc::MediaConstraints constraints;
   CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   a1_->SetLocal(TestObserver::OFFER, a1_->offer());
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kNoError);
   a1_->AddIceCandidate(strSampleCandidate.c_str(),
                       strSampleMid.c_str(), nSamplelevel, false);
   ASSERT_EQ(a1_->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kInvalidState);
 }
 TEST_F(SignalingAgentTest, CreateOffer) {
   CreateAgent();
   sipcc::MediaConstraints constraints;
   agent(0)->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   PR_Sleep(20000);
 }
 TEST_F(SignalingAgentTest, CreateOfferTrickleTestServer) {
   TestStunServer::GetInstance()->SetActive(false);
   TestStunServer::GetInstance()->SetResponseAddr(
       kBogusSrflxAddress, kBogusSrflxPort);
   CreateAgent(
       TestStunServer::GetInstance()->addr(),
       TestStunServer::GetInstance()->port(),
       false);
   sipcc::MediaConstraints constraints;
   agent(0)->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // Verify that the bogus addr is not there.
   ASSERT_FALSE(agent(0)->OfferContains(kBogusSrflxAddress));
   // Now enable the STUN server.
   TestStunServer::GetInstance()->SetActive(true);
   agent(0)->WaitForGather();
   // There shouldn't be any candidates until SetLocal.
   ASSERT_EQ(0U, agent(0)->MatchingCandidates(kBogusSrflxAddress));
   // Verify that the candidates appear in the offer.
   size_t match;
   match = agent(0)->getLocalDescription().find(kBogusSrflxAddress);
   ASSERT_LT(0U, match);
 }
 TEST_F(SignalingAgentTest, CreateOfferSetLocalTrickleTestServer) {
   TestStunServer::GetInstance()->SetActive(false);
   TestStunServer::GetInstance()->SetResponseAddr(
       kBogusSrflxAddress, kBogusSrflxPort);
   CreateAgent(
       TestStunServer::GetInstance()->addr(),
       TestStunServer::GetInstance()->port(),
       false);
   sipcc::MediaConstraints constraints;
   agent(0)->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // Verify that the bogus addr is not there.
   ASSERT_FALSE(agent(0)->OfferContains(kBogusSrflxAddress));
   // Now enable the STUN server.
   TestStunServer::GetInstance()->SetActive(true);
   agent(0)->WaitForGather();
   // There shouldn't be any candidates until SetLocal.
   ASSERT_EQ(0U, agent(0)->MatchingCandidates(kBogusSrflxAddress));
   agent(0)->SetLocal(TestObserver::OFFER, agent(0)->offer());
   PR_Sleep(1000); // Give time for the message queues.
   // Verify that we got our candidates.
   ASSERT_LE(2U, agent(0)->MatchingCandidates(kBogusSrflxAddress));
   // Verify that the candidates appear in the offer.
   size_t match;
   match = agent(0)->getLocalDescription().find(kBogusSrflxAddress);
   ASSERT_LT(0U, match);
 }
 TEST_F(SignalingAgentTest, CreateAnswerSetLocalTrickleTestServer) {
   TestStunServer::GetInstance()->SetActive(false);
   TestStunServer::GetInstance()->SetResponseAddr(
       kBogusSrflxAddress, kBogusSrflxPort);
   CreateAgent(
       TestStunServer::GetInstance()->addr(),
       TestStunServer::GetInstance()->port(),
       false);
   std::string offer(strG711SdpOffer);
   agent(0)->SetRemote(TestObserver::OFFER, offer, true,
                  PCImplSignalingState::SignalingHaveRemoteOffer);
   ASSERT_EQ(agent(0)->pObserver->lastStatusCode,
             sipcc::PeerConnectionImpl::kNoError);
   sipcc::MediaConstraints constraints;
   agent(0)->CreateAnswer(constraints, offer, ANSWER_AUDIO, DONT_CHECK_AUDIO);
   // Verify that the bogus addr is not there.
   ASSERT_FALSE(agent(0)->AnswerContains(kBogusSrflxAddress));
   // Now enable the STUN server.
   TestStunServer::GetInstance()->SetActive(true);
   agent(0)->WaitForGather();
   // There shouldn't be any candidates until SetLocal.
   ASSERT_EQ(0U, agent(0)->MatchingCandidates(kBogusSrflxAddress));
   agent(0)->SetLocal(TestObserver::ANSWER, agent(0)->answer());
   PR_Sleep(1000); // Give time for the message queues.
   // Verify that we got our candidates.
   ASSERT_LE(2U, agent(0)->MatchingCandidates(kBogusSrflxAddress));
   // Verify that the candidates appear in the answer.
   size_t match;
   match = agent(0)->getLocalDescription().find(kBogusSrflxAddress);
   ASSERT_LT(0U, match);
 }
 TEST_F(SignalingAgentTest, CreateUntilFailThenWait) {
   int i;
   for (i=0; ; i++) {
     if (!CreateAgent())
       break;
     std::cerr << "Created agent " << i << std::endl;
   }
   std::cerr << "Failed after creating " << i << " PCs " << std::endl;
   PR_Sleep(10000);  // Wait to see if we crash
 }
 // Test for bug 856433.
 TEST_F(SignalingAgentTest, CreateNoInit) {
   CreateAgentNoInit();
 }
 /*
  * Test for Bug 843595
  */
 TEST_F(SignalingTest, missingUfrag)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   std::string offer =
     "v=0\r\n"
     "o=Mozilla-SIPUA 2208 0 IN IP4 0.0.0.0\r\n"
     "s=SIP Call\r\n"
     "t=0 0\r\n"
     "a=ice-pwd:4450d5a4a5f097855c16fa079893be18\r\n"
     "a=fingerprint:sha-256 23:9A:2E:43:94:42:CF:46:68:FC:62:F9:F4:48:61:DB:"
       "2F:8C:C9:FF:6B:25:54:9D:41:09:EF:83:A8:19:FC:B6\r\n"
     "m=audio 56187 RTP/SAVPF 109 0 8 101\r\n"
     "c=IN IP4 77.9.79.167\r\n"
     "a=rtpmap:109 opus/48000/2\r\n"
     "a=ptime:20\r\n"
     "a=rtpmap:0 PCMU/8000\r\n"
     "a=rtpmap:8 PCMA/8000\r\n"
     "a=rtpmap:101 telephone-event/8000\r\n"
     "a=fmtp:101 0-15\r\n"
     "a=sendrecv\r\n"
     "a=candidate:0 1 UDP 2113601791 192.168.178.20 56187 typ host\r\n"
     "a=candidate:1 1 UDP 1694236671 77.9.79.167 56187 typ srflx raddr "
       "192.168.178.20 rport 56187\r\n"
     "a=candidate:0 2 UDP 2113601790 192.168.178.20 52955 typ host\r\n"
     "a=candidate:1 2 UDP 1694236670 77.9.79.167 52955 typ srflx raddr "
       "192.168.178.20 rport 52955\r\n"
     "m=video 49929 RTP/SAVPF 120\r\n"
     "c=IN IP4 77.9.79.167\r\n"
     "a=rtpmap:120 VP8/90000\r\n"
     "a=recvonly\r\n"
     "a=candidate:0 1 UDP 2113601791 192.168.178.20 49929 typ host\r\n"
     "a=candidate:1 1 UDP 1694236671 77.9.79.167 49929 typ srflx raddr "
       "192.168.178.20 rport 49929\r\n"
     "a=candidate:0 2 UDP 2113601790 192.168.178.20 50769 typ host\r\n"
     "a=candidate:1 2 UDP 1694236670 77.9.79.167 50769 typ srflx raddr "
       "192.168.178.20 rport 50769\r\n"
     "m=application 54054 DTLS/SCTP 5000\r\n"
     "c=IN IP4 77.9.79.167\r\n"
     "a=fmtp:HuRUu]Dtcl\\zM,7(OmEU%O$gU]x/z\tD protocol=webrtc-datachannel;"
       "streams=16\r\n"
     "a=sendrecv\r\n";
   // Need to create an offer, since that's currently required by our
   // FSM. This may change in the future.
   a1_->CreateOffer(constraints, OFFER_AV, SHOULD_SENDRECV_AV);
   a1_->SetLocal(TestObserver::OFFER, offer, true);
   // We now detect the missing ICE parameters at SetRemoteDescription
   a2_->SetRemote(TestObserver::OFFER, offer, true,
                  PCImplSignalingState::SignalingStable);
   ASSERT_TRUE(a2_->pObserver->state == TestObserver::stateError);
 }
 TEST_F(SignalingTest, AudioOnlyCalleeNoRtcpMux)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   a1_->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   a1_->SetLocal(TestObserver::OFFER, a1_->offer(), false);
   ParsedSDP sdpWrapper(a1_->offer());
   sdpWrapper.DeleteLine("a=rtcp-mux");
   std::cout << "Modified SDP " << std::endl
             << indent(sdpWrapper.getSdp()) << std::endl;
   a2_->SetRemote(TestObserver::OFFER, sdpWrapper.getSdp(), false);
   a2_->CreateAnswer(constraints, sdpWrapper.getSdp(),
     OFFER_AUDIO | ANSWER_AUDIO);
   a2_->SetLocal(TestObserver::ANSWER, a2_->answer(), false);
   a1_->SetRemote(TestObserver::ANSWER, a2_->answer(), false);
   // Answer should not have a=rtcp-mux
   ASSERT_EQ(a2_->getLocalDescription().find("\r\na=rtcp-mux"),
             std::string::npos);
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
   // Check the low-level media pipeline
   // for RTP and RTCP flows
   // The first Local pipeline gets stored at 0
   a1_->CheckMediaPipeline(0, 0, PIPELINE_LOCAL | PIPELINE_SEND);
   // The first Remote pipeline gets stored at 1
   a2_->CheckMediaPipeline(0, 1, 0);
 }
 TEST_F(SignalingTest, FullCallAudioNoMuxVideoMux)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   a1_->CreateOffer(constraints, OFFER_AV, SHOULD_SENDRECV_AV);
   a1_->SetLocal(TestObserver::OFFER, a1_->offer(), false);
   ParsedSDP sdpWrapper(a1_->offer());
   sdpWrapper.DeleteLine("a=rtcp-mux");
   std::cout << "Modified SDP " << std::endl
             << indent(sdpWrapper.getSdp()) << std::endl;
   a2_->SetRemote(TestObserver::OFFER, sdpWrapper.getSdp(), false);
   a2_->CreateAnswer(constraints, sdpWrapper.getSdp(), OFFER_AV | ANSWER_AV);
   a2_->SetLocal(TestObserver::ANSWER, a2_->answer(), false);
   a1_->SetRemote(TestObserver::ANSWER, a2_->answer(), false);
   // Answer should have only one a=rtcp-mux line
   size_t match = a2_->getLocalDescription().find("\r\na=rtcp-mux");
   if (fRtcpMux) {
     ASSERT_NE(match, std::string::npos);
     match = a2_->getLocalDescription().find("\r\na=rtcp-mux", match + 1);
   }
   ASSERT_EQ(match, std::string::npos);
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
   // Check the low-level media pipeline
   // for RTP and RTCP flows
   // The first Local pipeline gets stored at 0
   a1_->CheckMediaPipeline(0, 0, PIPELINE_LOCAL | PIPELINE_SEND);
   // Now check video mux.
   a1_->CheckMediaPipeline(0, 1,
     PIPELINE_LOCAL | (fRtcpMux ? PIPELINE_RTCP_MUX : 0) | PIPELINE_SEND |
     PIPELINE_VIDEO);
   // The first Remote pipeline gets stored at 1
   a2_->CheckMediaPipeline(0, 1, 0);
   // Now check video mux.
   a2_->CheckMediaPipeline(0, 2, (fRtcpMux ?  PIPELINE_RTCP_MUX : 0) |
     PIPELINE_VIDEO | PIPELINE_RTCP_NACK, VideoSessionConduit::FrameRequestPli);
 }
 TEST_F(SignalingTest, RtcpFbInOffer)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   a1_->CreateOffer(constraints, OFFER_AV, SHOULD_SENDRECV_AV);
   const char *expected[] = { "nack", "nack pli", "ccm fir" };
   CheckRtcpFbSdp(a1_->offer(), ARRAY_TO_SET(std::string, expected));
 }
 TEST_F(SignalingTest, RtcpFbInAnswer)
 {
   const char *feedbackTypes[] = { "nack", "nack pli", "ccm fir" };
   TestRtcpFb(ARRAY_TO_SET(std::string, feedbackTypes),
              PIPELINE_RTCP_NACK,
              VideoSessionConduit::FrameRequestPli);
 }
 TEST_F(SignalingTest, RtcpFbNoNackBasic)
 {
   const char *feedbackTypes[] = { "nack pli", "ccm fir" };
   TestRtcpFb(ARRAY_TO_SET(std::string, feedbackTypes),
 ,
              VideoSessionConduit::FrameRequestPli);
 }
 TEST_F(SignalingTest, RtcpFbNoNackPli)
 {
   const char *feedbackTypes[] = { "nack", "ccm fir" };
   TestRtcpFb(ARRAY_TO_SET(std::string, feedbackTypes),
              PIPELINE_RTCP_NACK,
              VideoSessionConduit::FrameRequestFir);
 }
 TEST_F(SignalingTest, RtcpFbNoCcmFir)
 {
   const char *feedbackTypes[] = { "nack", "nack pli" };
   TestRtcpFb(ARRAY_TO_SET(std::string, feedbackTypes),
              PIPELINE_RTCP_NACK,
              VideoSessionConduit::FrameRequestPli);
 }
 TEST_F(SignalingTest, RtcpFbNoNack)
 {
   const char *feedbackTypes[] = { "ccm fir" };
   TestRtcpFb(ARRAY_TO_SET(std::string, feedbackTypes),
 ,
              VideoSessionConduit::FrameRequestFir);
 }
 TEST_F(SignalingTest, RtcpFbNoFrameRequest)
 {
   const char *feedbackTypes[] = { "nack" };
   TestRtcpFb(ARRAY_TO_SET(std::string, feedbackTypes),
              PIPELINE_RTCP_NACK,
              VideoSessionConduit::FrameRequestNone);
 }
 TEST_F(SignalingTest, RtcpFbPliOnly)
 {
   const char *feedbackTypes[] = { "nack pli" };
   TestRtcpFb(ARRAY_TO_SET(std::string, feedbackTypes),
 ,
              VideoSessionConduit::FrameRequestPli);
 }
 TEST_F(SignalingTest, RtcpFbNoFeedback)
 {
   const char *feedbackTypes[] = { };
   TestRtcpFb(ARRAY_TO_SET(std::string, feedbackTypes),
 ,
              VideoSessionConduit::FrameRequestNone);
 }
 // In this test we will change the offer SDP's a=setup value
 // from actpass to passive.  This will make the answer do active.
 TEST_F(SignalingTest, AudioCallForceDtlsRoles)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   size_t match;
   a1_->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // By default the offer should give actpass
   std::string offer(a1_->offer());
   match = offer.find("\r\na=setup:actpass");
   ASSERT_NE(match, std::string::npos);
   // Now replace the actpass with passive so that the answer will
   // return active
   offer.replace(match, strlen("\r\na=setup:actpass"),
     "\r\na=setup:passive");
   std::cout << "Modified SDP " << std::endl
             << indent(offer) << std::endl;
   a1_->SetLocal(TestObserver::OFFER, offer.c_str(), false);
   a2_->SetRemote(TestObserver::OFFER, offer.c_str(), false);
   a2_->CreateAnswer(constraints, offer.c_str(), OFFER_AUDIO | ANSWER_AUDIO);
   // Now the answer should contain a=setup:active
   std::string answer(a2_->answer());
   match = answer.find("\r\na=setup:active");
   ASSERT_NE(match, std::string::npos);
   // This should setup the DTLS with the same roles
   // as the regular tests above.
   a2_->SetLocal(TestObserver::ANSWER, a2_->answer(), false);
   a1_->SetRemote(TestObserver::ANSWER, a2_->answer(), false);
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 // In this test we will change the offer SDP's a=setup value
 // from actpass to active.  This will make the answer do passive
 TEST_F(SignalingTest, AudioCallReverseDtlsRoles)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   size_t match;
   a1_->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // By default the offer should give actpass
   std::string offer(a1_->offer());
   match = offer.find("\r\na=setup:actpass");
   ASSERT_NE(match, std::string::npos);
   // Now replace the actpass with active so that the answer will
   // return passive
   offer.replace(match, strlen("\r\na=setup:actpass"),
     "\r\na=setup:active");
   std::cout << "Modified SDP " << std::endl
             << indent(offer) << std::endl;
   a1_->SetLocal(TestObserver::OFFER, offer.c_str(), false);
   a2_->SetRemote(TestObserver::OFFER, offer.c_str(), false);
   a2_->CreateAnswer(constraints, offer.c_str(), OFFER_AUDIO | ANSWER_AUDIO);
   // Now the answer should contain a=setup:passive
   std::string answer(a2_->answer());
   match = answer.find("\r\na=setup:passive");
   ASSERT_NE(match, std::string::npos);
   // This should setup the DTLS with the opposite roles
   // than the regular tests above.
   a2_->SetLocal(TestObserver::ANSWER, a2_->answer(), false);
   a1_->SetRemote(TestObserver::ANSWER, a2_->answer(), false);
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 // In this test we will change the answer SDP's a=setup value
 // from active to passive.  This will make both sides do
 // active and should not connect.
 TEST_F(SignalingTest, AudioCallMismatchDtlsRoles)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   size_t match;
   a1_->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // By default the offer should give actpass
   std::string offer(a1_->offer());
   match = offer.find("\r\na=setup:actpass");
   ASSERT_NE(match, std::string::npos);
   a1_->SetLocal(TestObserver::OFFER, offer.c_str(), false);
   a2_->SetRemote(TestObserver::OFFER, offer.c_str(), false);
   a2_->CreateAnswer(constraints, offer.c_str(), OFFER_AUDIO | ANSWER_AUDIO);
   // Now the answer should contain a=setup:active
   std::string answer(a2_->answer());
   match = answer.find("\r\na=setup:active");
   ASSERT_NE(match, std::string::npos);
   // Now replace the active with passive so that the offerer will
   // also do active.
   answer.replace(match, strlen("\r\na=setup:active"),
     "\r\na=setup:passive");
   std::cout << "Modified SDP " << std::endl
             << indent(answer) << std::endl;
   // This should setup the DTLS with both sides playing active
   a2_->SetLocal(TestObserver::ANSWER, answer.c_str(), false);
   a1_->SetRemote(TestObserver::ANSWER, answer.c_str(), false);
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Not using ASSERT_TRUE_WAIT here because we expect failure
   PR_Sleep(kDefaultTimeout * 2); // Wait for some data to get written
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   // In this case we should receive nothing.
   ASSERT_EQ(a2_->GetPacketsReceived(0), 0);
 }
 // In this test we will change the offer SDP's a=setup value
 // from actpass to garbage.  It should ignore the garbage value
 // and respond with setup:active
 TEST_F(SignalingTest, AudioCallGarbageSetup)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   size_t match;
   a1_->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // By default the offer should give actpass
   std::string offer(a1_->offer());
   match = offer.find("\r\na=setup:actpass");
   ASSERT_NE(match, std::string::npos);
   // Now replace the actpass with a garbage value
   offer.replace(match, strlen("\r\na=setup:actpass"),
     "\r\na=setup:G4rb4g3V4lu3");
   std::cout << "Modified SDP " << std::endl
             << indent(offer) << std::endl;
   a1_->SetLocal(TestObserver::OFFER, offer.c_str(), false);
   a2_->SetRemote(TestObserver::OFFER, offer.c_str(), false);
   a2_->CreateAnswer(constraints, offer.c_str(), OFFER_AUDIO | ANSWER_AUDIO);
   // Now the answer should contain a=setup:active
   std::string answer(a2_->answer());
   match = answer.find("\r\na=setup:active");
   ASSERT_NE(match, std::string::npos);
   // This should setup the DTLS with the same roles
   // as the regular tests above.
   a2_->SetLocal(TestObserver::ANSWER, a2_->answer(), false);
   a1_->SetRemote(TestObserver::ANSWER, a2_->answer(), false);
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 // In this test we will change the offer SDP to remove the
 // a=setup line.  Answer should respond with a=setup:active.
 TEST_F(SignalingTest, AudioCallOfferNoSetupOrConnection)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   size_t match;
   a1_->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // By default the offer should give setup:actpass
   std::string offer(a1_->offer());
   match = offer.find("\r\na=setup:actpass");
   ASSERT_NE(match, std::string::npos);
   // Remove the a=setup line
   offer.replace(match, strlen("\r\na=setup:actpass"), "");
   std::cout << "Modified SDP " << std::endl
             << indent(offer) << std::endl;
   a1_->SetLocal(TestObserver::OFFER, offer.c_str(), false);
   a2_->SetRemote(TestObserver::OFFER, offer.c_str(), false);
   a2_->CreateAnswer(constraints, offer.c_str(), OFFER_AUDIO | ANSWER_AUDIO);
   // Now the answer should contain a=setup:active
   std::string answer(a2_->answer());
   match = answer.find("\r\na=setup:active");
   ASSERT_NE(match, std::string::npos);
   // This should setup the DTLS with the same roles
   // as the regular tests above.
   a2_->SetLocal(TestObserver::ANSWER, a2_->answer(), false);
   a1_->SetRemote(TestObserver::ANSWER, a2_->answer(), false);
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 // In this test we will change the answer SDP to remove the
 // a=setup line.  ICE should still connect since active will
 // be assumed.
 TEST_F(SignalingTest, AudioCallAnswerNoSetupOrConnection)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   size_t match;
   a1_->CreateOffer(constraints, OFFER_AUDIO, SHOULD_SENDRECV_AUDIO);
   // By default the offer should give setup:actpass
   std::string offer(a1_->offer());
   match = offer.find("\r\na=setup:actpass");
   ASSERT_NE(match, std::string::npos);
   a1_->SetLocal(TestObserver::OFFER, offer.c_str(), false);
   a2_->SetRemote(TestObserver::OFFER, offer.c_str(), false);
   a2_->CreateAnswer(constraints, offer.c_str(), OFFER_AUDIO | ANSWER_AUDIO);
   // Now the answer should contain a=setup:active
   std::string answer(a2_->answer());
   match = answer.find("\r\na=setup:active");
   ASSERT_NE(match, std::string::npos);
   // Remove the a=setup line
   answer.replace(match, strlen("\r\na=setup:active"), "");
   std::cout << "Modified SDP " << std::endl
             << indent(answer) << std::endl;
   // This should setup the DTLS with the same roles
   // as the regular tests above.
   a2_->SetLocal(TestObserver::ANSWER, answer, false);
   a1_->SetRemote(TestObserver::ANSWER, answer, false);
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 TEST_F(SignalingTest, FullCallRealTrickle)
 {
   wait_for_gather_ = false;
   sipcc::MediaConstraints constraints;
   OfferAnswer(constraints, constraints, OFFER_AV | ANSWER_AV,
               true, SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 TEST_F(SignalingTest, FullCallRealTrickleTestServer)
 {
   wait_for_gather_ = false;
   SetTestStunServer();
   sipcc::MediaConstraints constraints;
   OfferAnswer(constraints, constraints, OFFER_AV | ANSWER_AV,
               true, SHOULD_SENDRECV_AV, SHOULD_SENDRECV_AV);
   TestStunServer::GetInstance()->SetActive(true);
   // Wait for some data to get written
   ASSERT_TRUE_WAIT(a1_->GetPacketsSent(0) >= 40 &&
                    a2_->GetPacketsReceived(0) >= 40, kDefaultTimeout * 2);
   a1_->CloseSendStreams();
   a2_->CloseReceiveStreams();
   ASSERT_GE(a1_->GetPacketsSent(0), 40);
   ASSERT_GE(a2_->GetPacketsReceived(0), 40);
 }
 TEST_F(SignalingTest, hugeSdp)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   std::string offer =
     "v=0\r\n"
     "o=- 1109973417102828257 2 IN IP4 127.0.0.1\r\n"
     "s=-\r\n"
     "t=0 0\r\n"
     "a=group:BUNDLE audio video\r\n"
     "a=msid-semantic: WMS 1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIP\r\n"
     "m=audio 32952 RTP/SAVPF 111 103 104 0 8 107 106 105 13 126\r\n"
     "c=IN IP4 128.64.32.16\r\n"
     "a=rtcp:32952 IN IP4 128.64.32.16\r\n"
     "a=candidate:77142221 1 udp 2113937151 192.168.137.1 54081 typ host generation 0\r\n"
     "a=candidate:77142221 2 udp 2113937151 192.168.137.1 54081 typ host generation 0\r\n"
     "a=candidate:983072742 1 udp 2113937151 172.22.0.56 54082 typ host generation 0\r\n"
     "a=candidate:983072742 2 udp 2113937151 172.22.0.56 54082 typ host generation 0\r\n"
     "a=candidate:2245074553 1 udp 1845501695 32.64.128.1 62397 typ srflx raddr 192.168.137.1 rport 54081 generation 0\r\n"
     "a=candidate:2245074553 2 udp 1845501695 32.64.128.1 62397 typ srflx raddr 192.168.137.1 rport 54081 generation 0\r\n"
     "a=candidate:2479353907 1 udp 1845501695 32.64.128.1 54082 typ srflx raddr 172.22.0.56 rport 54082 generation 0\r\n"
     "a=candidate:2479353907 2 udp 1845501695 32.64.128.1 54082 typ srflx raddr 172.22.0.56 rport 54082 generation 0\r\n"
     "a=candidate:1243276349 1 tcp 1509957375 192.168.137.1 0 typ host generation 0\r\n"
     "a=candidate:1243276349 2 tcp 1509957375 192.168.137.1 0 typ host generation 0\r\n"
     "a=candidate:1947960086 1 tcp 1509957375 172.22.0.56 0 typ host generation 0\r\n"
     "a=candidate:1947960086 2 tcp 1509957375 172.22.0.56 0 typ host generation 0\r\n"
     "a=candidate:1808221584 1 udp 33562367 128.64.32.16 32952 typ relay raddr 32.64.128.1 rport 62398 generation 0\r\n"
     "a=candidate:1808221584 2 udp 33562367 128.64.32.16 32952 typ relay raddr 32.64.128.1 rport 62398 generation 0\r\n"
     "a=candidate:507872740 1 udp 33562367 128.64.32.16 40975 typ relay raddr 32.64.128.1 rport 54085 generation 0\r\n"
     "a=candidate:507872740 2 udp 33562367 128.64.32.16 40975 typ relay raddr 32.64.128.1 rport 54085 generation 0\r\n"
     "a=ice-ufrag:xQuJwjX3V3eMA81k\r\n"
     "a=ice-pwd:ZUiRmjS2GDhG140p73dAsSVP\r\n"
     "a=ice-options:google-ice\r\n"
     "a=fingerprint:sha-256 59:4A:8B:73:A7:73:53:71:88:D7:4D:58:28:0C:79:72:31:29:9B:05:37:DD:58:43:C2:D4:85:A2:B3:66:38:7A\r\n"
     "a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\n"
     "a=sendrecv\r\n"
     "a=mid:audio\r\n"
     "a=rtcp-mux\r\n"
     "a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:/U44g3ULdtapeiSg+T3n6dDLBKIjpOhb/NXAL/2b\r\n"
     "a=rtpmap:111 opus/48000/2\r\n"
     "a=fmtp:111 minptime=10\r\n"
     "a=rtpmap:103 ISAC/16000\r\n"
     "a=rtpmap:104 ISAC/32000\r\n"
     "a=rtpmap:0 PCMU/8000\r\n"
     "a=rtpmap:8 PCMA/8000\r\n"
     "a=rtpmap:107 CN/48000\r\n"
     "a=rtpmap:106 CN/32000\r\n"
     "a=rtpmap:105 CN/16000\r\n"
     "a=rtpmap:13 CN/8000\r\n"
     "a=rtpmap:126 telephone-event/8000\r\n"
     "a=maxptime:60\r\n"
     "a=ssrc:2271517329 cname:mKDNt7SQf6pwDlIn\r\n"
     "a=ssrc:2271517329 msid:1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIP 1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIPa0\r\n"
     "a=ssrc:2271517329 mslabel:1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIP\r\n"
     "a=ssrc:2271517329 label:1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIPa0\r\n"
     "m=video 32952 RTP/SAVPF 100 116 117\r\n"
     "c=IN IP4 128.64.32.16\r\n"
     "a=rtcp:32952 IN IP4 128.64.32.16\r\n"
     "a=candidate:77142221 1 udp 2113937151 192.168.137.1 54081 typ host generation 0\r\n"
     "a=candidate:77142221 2 udp 2113937151 192.168.137.1 54081 typ host generation 0\r\n"
     "a=candidate:983072742 1 udp 2113937151 172.22.0.56 54082 typ host generation 0\r\n"
     "a=candidate:983072742 2 udp 2113937151 172.22.0.56 54082 typ host generation 0\r\n"
     "a=candidate:2245074553 1 udp 1845501695 32.64.128.1 62397 typ srflx raddr 192.168.137.1 rport 54081 generation 0\r\n"
     "a=candidate:2245074553 2 udp 1845501695 32.64.128.1 62397 typ srflx raddr 192.168.137.1 rport 54081 generation 0\r\n"
     "a=candidate:2479353907 1 udp 1845501695 32.64.128.1 54082 typ srflx raddr 172.22.0.56 rport 54082 generation 0\r\n"
     "a=candidate:2479353907 2 udp 1845501695 32.64.128.1 54082 typ srflx raddr 172.22.0.56 rport 54082 generation 0\r\n"
     "a=candidate:1243276349 1 tcp 1509957375 192.168.137.1 0 typ host generation 0\r\n"
     "a=candidate:1243276349 2 tcp 1509957375 192.168.137.1 0 typ host generation 0\r\n"
     "a=candidate:1947960086 1 tcp 1509957375 172.22.0.56 0 typ host generation 0\r\n"
     "a=candidate:1947960086 2 tcp 1509957375 172.22.0.56 0 typ host generation 0\r\n"
     "a=candidate:1808221584 1 udp 33562367 128.64.32.16 32952 typ relay raddr 32.64.128.1 rport 62398 generation 0\r\n"
     "a=candidate:1808221584 2 udp 33562367 128.64.32.16 32952 typ relay raddr 32.64.128.1 rport 62398 generation 0\r\n"
     "a=candidate:507872740 1 udp 33562367 128.64.32.16 40975 typ relay raddr 32.64.128.1 rport 54085 generation 0\r\n"
     "a=candidate:507872740 2 udp 33562367 128.64.32.16 40975 typ relay raddr 32.64.128.1 rport 54085 generation 0\r\n"
     "a=ice-ufrag:xQuJwjX3V3eMA81k\r\n"
     "a=ice-pwd:ZUiRmjS2GDhG140p73dAsSVP\r\n"
     "a=ice-options:google-ice\r\n"
     "a=fingerprint:sha-256 59:4A:8B:73:A7:73:53:71:88:D7:4D:58:28:0C:79:72:31:29:9B:05:37:DD:58:43:C2:D4:85:A2:B3:66:38:7A\r\n"
     "a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\r\n"
     "a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\n"
     "a=sendrecv\r\n"
     "a=mid:video\r\n"
     "a=rtcp-mux\r\n"
     "a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:/U44g3ULdtapeiSg+T3n6dDLBKIjpOhb/NXAL/2b\r\n"
     "a=rtpmap:100 VP8/90000\r\n"
     "a=rtcp-fb:100 ccm fir\r\n"
     "a=rtcp-fb:100 nack\r\n"
     "a=rtcp-fb:100 goog-remb\r\n"
     "a=rtpmap:116 red/90000\r\n"
     "a=rtpmap:117 ulpfec/90000\r\n"
     "a=ssrc:54724160 cname:mKDNt7SQf6pwDlIn\r\n"
     "a=ssrc:54724160 msid:1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIP 1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIPv0\r\n"
     "a=ssrc:54724160 mslabel:1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIP\r\n"
     "a=ssrc:54724160 label:1PBxet5BYh0oYodwsvNM4k6KiO2eWCX40VIPv0\r\n";
   a1_->CreateOffer(constraints, OFFER_AV, SHOULD_SENDRECV_AV);
   a1_->SetLocal(TestObserver::OFFER, offer, true);
   a2_->SetRemote(TestObserver::OFFER, offer, true);
   ASSERT_GE(a2_->getRemoteDescription().length(), 4096U);
   a2_->CreateAnswer(constraints, offer, OFFER_AV);
 }
 // Test max_fs and max_fr prefs have proper impact on SDP offer
 TEST_F(SignalingTest, MaxFsFrInOffer)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
   ASSERT_TRUE(prefs);
   FsFrPrefClearer prefClearer(prefs);
   SetMaxFsFr(prefs, 300, 30);
   a1_->CreateOffer(constraints, OFFER_AV, SHOULD_CHECK_AV);
   // Verify that SDP contains correct max-fs and max-fr
   CheckMaxFsFrSdp(a1_->offer(), 120, 300, 30);
 }
 // Test max_fs and max_fr prefs have proper impact on SDP answer
 TEST_F(SignalingTest, MaxFsFrInAnswer)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
   ASSERT_TRUE(prefs);
   FsFrPrefClearer prefClearer(prefs);
   // We don't want max_fs and max_fr prefs impact SDP at this moment
   SetMaxFsFr(prefs, 0, 0);
   a1_->CreateOffer(constraints, OFFER_AV, SHOULD_CHECK_AV);
   // SDP should not contain max-fs and max-fr here
   CheckMaxFsFrSdp(a1_->offer(), 120, 0, 0);
   a2_->SetRemote(TestObserver::OFFER, a1_->offer());
   SetMaxFsFr(prefs, 600, 60);
   a2_->CreateAnswer(constraints, a1_->offer(), OFFER_AV | ANSWER_AV);
   // Verify that SDP contains correct max-fs and max-fr
   CheckMaxFsFrSdp(a2_->answer(), 120, 600, 60);
 }
 // Test SDP offer has proper impact on callee's codec configuration
 TEST_F(SignalingTest, MaxFsFrCalleeCodec)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
   ASSERT_TRUE(prefs);
   FsFrPrefClearer prefClearer(prefs);
   // We don't want max_fs and max_fr prefs impact SDP at this moment
   SetMaxFsFr(prefs, 0, 0);
   a1_->CreateOffer(constraints, OFFER_AV, SHOULD_CHECK_AV);
   ParsedSDP sdpWrapper(a1_->offer());
   sdpWrapper.ReplaceLine("a=rtpmap:120",
     "a=rtpmap:120 VP8/90000\r\na=fmtp:120 max-fs=300;max-fr=30\r\n");
   std::cout << "Modified SDP " << std::endl
             << indent(sdpWrapper.getSdp()) << std::endl;
   // Double confirm that SDP offer contains correct max-fs and max-fr
   CheckMaxFsFrSdp(sdpWrapper.getSdp(), 120, 300, 30);
   a1_->SetLocal(TestObserver::OFFER, sdpWrapper.getSdp());
   a2_->SetRemote(TestObserver::OFFER, sdpWrapper.getSdp());
   a2_->CreateAnswer(constraints, sdpWrapper.getSdp(), OFFER_AV | ANSWER_AV);
   // SDP should not contain max-fs and max-fr here
   CheckMaxFsFrSdp(a2_->answer(), 120, 0, 0);
   a2_->SetLocal(TestObserver::ANSWER, a2_->answer());
   a1_->SetRemote(TestObserver::ANSWER, a2_->answer());
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Checking callee's video sending configuration does respect max-fs and
   // max-fr in SDP offer.
   mozilla::RefPtr<mozilla::MediaPipeline> pipeline =
     a2_->GetMediaPipeline(1, 0, 1);
   ASSERT_TRUE(pipeline);
   mozilla::MediaSessionConduit *conduit = pipeline->Conduit();
   ASSERT_TRUE(conduit);
   ASSERT_EQ(conduit->type(), mozilla::MediaSessionConduit::VIDEO);
   mozilla::VideoSessionConduit *video_conduit =
     static_cast<mozilla::VideoSessionConduit*>(conduit);
   ASSERT_EQ(video_conduit->SendingMaxFs(), (unsigned short) 300);
   ASSERT_EQ(video_conduit->SendingMaxFr(), (unsigned short) 30);
 }
 // Test SDP answer has proper impact on caller's codec configuration
 TEST_F(SignalingTest, MaxFsFrCallerCodec)
 {
   EnsureInit();
   sipcc::MediaConstraints constraints;
   nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
   ASSERT_TRUE(prefs);
   FsFrPrefClearer prefClearer(prefs);
   // We don't want max_fs and max_fr prefs impact SDP at this moment
   SetMaxFsFr(prefs, 0, 0);
   a1_->CreateOffer(constraints, OFFER_AV, SHOULD_CHECK_AV);
   a1_->SetLocal(TestObserver::OFFER, a1_->offer());
   a2_->SetRemote(TestObserver::OFFER, a1_->offer());
   a2_->CreateAnswer(constraints, a1_->offer(), OFFER_AV | ANSWER_AV);
   ParsedSDP sdpWrapper(a2_->answer());
   sdpWrapper.ReplaceLine("a=rtpmap:120",
     "a=rtpmap:120 VP8/90000\r\na=fmtp:120 max-fs=600;max-fr=60\r\n");
   std::cout << "Modified SDP " << std::endl
             << indent(sdpWrapper.getSdp()) << std::endl;
   // Double confirm that SDP answer contains correct max-fs and max-fr
   CheckMaxFsFrSdp(sdpWrapper.getSdp(), 120, 600, 60);
   a2_->SetLocal(TestObserver::ANSWER, sdpWrapper.getSdp());
   a1_->SetRemote(TestObserver::ANSWER, sdpWrapper.getSdp());
   ASSERT_TRUE_WAIT(a1_->IceCompleted() == true, kDefaultTimeout);
   ASSERT_TRUE_WAIT(a2_->IceCompleted() == true, kDefaultTimeout);
   // Checking caller's video sending configuration does respect max-fs and
   // max-fr in SDP answer.
   mozilla::RefPtr<mozilla::MediaPipeline> pipeline =
     a1_->GetMediaPipeline(1, 0, 1);
   ASSERT_TRUE(pipeline);
   mozilla::MediaSessionConduit *conduit = pipeline->Conduit();
   ASSERT_TRUE(conduit);
   ASSERT_EQ(conduit->type(), mozilla::MediaSessionConduit::VIDEO);
   mozilla::VideoSessionConduit *video_conduit =
     static_cast<mozilla::VideoSessionConduit*>(conduit);
   ASSERT_EQ(video_conduit->SendingMaxFs(), (unsigned short) 600);
   ASSERT_EQ(video_conduit->SendingMaxFr(), (unsigned short) 60);
 }
 } // End namespace test.
 bool is_color_terminal(const char *terminal) {
   if (!terminal) {
     return false;
   }
   const char *color_terms[] = {
     "xterm",
     "xterm-color",
     "xterm-256color",
     "screen",
     "linux",
     "cygwin",
 
   };
   const char **p = color_terms;
   while (*p) {
     if (!strcmp(terminal, *p)) {
       return true;
     }
     p++;
   }
   return false;
 }
 static std::string get_environment(const char *name) {
   char *value = getenv(name);
   if (!value)
     return "";
   return value;
 }
 // This exists to send as an event to trigger shutdown.
 static void tests_complete() {
   gTestsComplete = true;
 }
 // The GTest thread runs this instead of the main thread so it can
 // do things like ASSERT_TRUE_WAIT which you could not do on the main thread.
 static int gtest_main(int argc, char **argv) {
   MOZ_ASSERT(!NS_IsMainThread());
   ::testing::InitGoogleTest(&argc, argv);
   for(int i=0; i<argc; i++) {
     if (!strcmp(argv[i],"-t")) {
       kDefaultTimeout = 20000;
     }
    }
   ::testing::AddGlobalTestEnvironment(new test::SignalingEnvironment);
   int result = RUN_ALL_TESTS();
   test_utils->sts_target()->Dispatch(
     WrapRunnableNM(&TestStunServer::ShutdownInstance), NS_DISPATCH_SYNC);
   // Set the global shutdown flag and tickle the main thread
   // The main thread did not go through Init() so calling Shutdown()
   // on it will not work.
   gMainThread->Dispatch(WrapRunnableNM(tests_complete), NS_DISPATCH_SYNC);
   return result;
 }
 int main(int argc, char **argv) {
   // This test can cause intermittent oranges on the builders
   CHECK_ENVIRONMENT_FLAG("MOZ_WEBRTC_TESTS")
   if (isatty(STDOUT_FILENO) && is_color_terminal(getenv("TERM"))) {
     std::string ansiMagenta = "\x1b[35m";
     std::string ansiCyan = "\x1b[36m";
     std::string ansiColorOff = "\x1b[0m";
     callerName = ansiCyan + callerName + ansiColorOff;
     calleeName = ansiMagenta + calleeName + ansiColorOff;
   }
   std::string tmp = get_environment("STUN_SERVER_ADDRESS");
   if (tmp != "")
     g_stun_server_address = tmp;
   tmp = get_environment("STUN_SERVER_PORT");
   if (tmp != "")
       g_stun_server_port = atoi(tmp.c_str());
   test_utils = new MtransportTestUtils();
   NSS_NoDB_Init(nullptr);
   NSS_SetDomesticPolicy();
   ::testing::TestEventListeners& listeners =
         ::testing::UnitTest::GetInstance()->listeners();
   // Adds a listener to the end.  Google Test takes the ownership.
   listeners.Append(new test::RingbufferDumper(test_utils));
   test_utils->sts_target()->Dispatch(
     WrapRunnableNM(&TestStunServer::GetInstance), NS_DISPATCH_SYNC);
   // Set the main thread global which is this thread.
   nsIThread *thread;
   NS_GetMainThread(&thread);
   gMainThread = thread;
   MOZ_ASSERT(NS_IsMainThread());
   // Now create the GTest thread and run all of the tests on it
   // When it is complete it will set gTestsComplete
   NS_NewNamedThread("gtest_thread", &thread);
   gGtestThread = thread;
   int result;
   gGtestThread->Dispatch(
     WrapRunnableNMRet(gtest_main, argc, argv, &result), NS_DISPATCH_NORMAL);
   // Here we handle the event queue for dispatches to the main thread
   // When the GTest thread is complete it will send one more dispatch
   // with gTestsComplete == true.
   while (!gTestsComplete && NS_ProcessNextEvent());
   gGtestThread->Shutdown();
   sipcc::PeerConnectionCtx::Destroy();
   delete test_utils;
   return result;
 }

The Tor Browser / annotate

media/webrtc/signaling/test/signaling_unittests.cpp@7e26c7da4463 (annotated)

media/webrtc/signaling/test/signaling_unittests.cpp