1 files changed, 23 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_video_stream_receiver_frame_transformer_delegate_unittest.cc b/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_video_stream_receiver_frame_transformer_delegate_unittest.cc
index f403c91a74..cf3062610f 100644
--- a/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_video_stream_receiver_frame_transformer_delegate_unittest.cc
+++ b/third_party/libwebrtc/modules/rtp_rtcp/source/rtp_video_stream_receiver_frame_transformer_delegate_unittest.cc
@@ -349,5 +349,28 @@ TEST(RtpVideoStreamReceiverFrameTransformerDelegateTest,
   rtc::ThreadManager::ProcessAllMessageQueuesForTesting();
 }
 
+TEST(RtpVideoStreamReceiverFrameTransformerDelegateTest,
+     ShortCircuitingSkipsTransform) {
+  rtc::AutoThread main_thread_;
+  TestRtpVideoFrameReceiver receiver;
+  auto mock_frame_transformer =
+      rtc::make_ref_counted<NiceMock<MockFrameTransformer>>();
+  SimulatedClock clock(0);
+  auto delegate =
+      rtc::make_ref_counted<RtpVideoStreamReceiverFrameTransformerDelegate>(
+          &receiver, &clock, mock_frame_transformer, rtc::Thread::Current(),
+          1111);
+  delegate->Init();
+
+  delegate->StartShortCircuiting();
+  rtc::ThreadManager::ProcessAllMessageQueuesForTesting();
+
+  // Will not call the actual transformer.
+  EXPECT_CALL(*mock_frame_transformer, Transform).Times(0);
+  // Will pass the frame straight to the reciever.
+  EXPECT_CALL(receiver, ManageFrame);
+  delegate->TransformFrame(CreateRtpFrameObject());
+}
+
 }  // namespace
 }  // namespace webrtc