Add a PeerConnection integration test for adding an audio track mid-call
BUG=None
Review-Url: https://codereview.webrtc.org/3007923002
Cr-Original-Commit-Position: refs/heads/master@{#19731}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 4389b4d96bb98cf210b761b4f152434fceb767a6
diff --git a/pc/peerconnection_integrationtest.cc b/pc/peerconnection_integrationtest.cc
index d20e2f9..6b3ddd5 100644
--- a/pc/peerconnection_integrationtest.cc
+++ b/pc/peerconnection_integrationtest.cc
@@ -1393,8 +1393,7 @@
// Initially, offer an audio/video stream from the caller, but refuse to
// send/receive video on the callee side.
caller()->AddAudioVideoMediaStream();
- callee()->AddMediaStreamFromTracks(callee()->CreateLocalAudioTrack(),
- nullptr);
+ callee()->AddAudioOnlyMediaStream();
PeerConnectionInterface::RTCOfferAnswerOptions options;
options.offer_to_receive_video = 0;
callee()->SetOfferAnswerOptions(options);
@@ -1425,6 +1424,30 @@
kMaxWaitForFramesMs);
}
+// Simpler than the above test; just add an audio track to an established
+// video-only connection.
+TEST_F(PeerConnectionIntegrationTest, AddAudioToVideoOnlyCall) {
+ ASSERT_TRUE(CreatePeerConnectionWrappers());
+ ConnectFakeSignaling();
+ // Do initial offer/answer with just a video track.
+ caller()->AddVideoOnlyMediaStream();
+ callee()->AddVideoOnlyMediaStream();
+ caller()->CreateAndSetAndSignalOffer();
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout);
+ // Now add an audio track and do another offer/answer.
+ caller()->AddMediaStreamFromTracksWithLabel(caller()->CreateLocalAudioTrack(),
+ nullptr, "audio_stream");
+ callee()->AddMediaStreamFromTracksWithLabel(callee()->CreateLocalAudioTrack(),
+ nullptr, "audio_stream");
+ caller()->CreateAndSetAndSignalOffer();
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout);
+ // Ensure both audio and video frames are received end-to-end.
+ ExpectNewFramesReceivedWithWait(
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount,
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount,
+ kMaxWaitForFramesMs);
+}
+
// This test sets up a call that's transferred to a new caller with a different
// DTLS fingerprint.
TEST_F(PeerConnectionIntegrationTest, CallTransferredForCallee) {
