RTCInboundRTPStreamStats.qpSum collected.

webrtc/pc/rtcstatscollector_unittest.cc

Index: webrtc/pc/rtcstatscollector_unittest.cc
diff --git a/webrtc/pc/rtcstatscollector_unittest.cc b/webrtc/pc/rtcstatscollector_unittest.cc
index 6d1595e0c32afb5900245b0214b35b6af963e639..d2acdd8b81405603611740f5af2683d7e2cde03d 100644
--- a/webrtc/pc/rtcstatscollector_unittest.cc
+++ b/webrtc/pc/rtcstatscollector_unittest.cc
@@ -1766,6 +1766,7 @@ TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Video) {
   video_media_info.receivers[0].plis_sent = 6;
   video_media_info.receivers[0].nacks_sent = 7;
   video_media_info.receivers[0].frames_decoded = 8;
+  video_media_info.receivers[0].qp_sum = rtc::Optional<uint64_t>(9);
 
   RtpCodecParameters codec_parameters;
   codec_parameters.payload_type = 42;
@@ -1815,6 +1816,7 @@ TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Video) {
   expected_video.packets_lost = 42;
   expected_video.fraction_lost = 4.5;
   expected_video.frames_decoded = 8;
+  expected_video.qp_sum = 9;
 
   ASSERT_TRUE(report->Get(expected_video.id()));
   const RTCInboundRTPStreamStats& video = report->Get(
@@ -1923,7 +1925,7 @@ TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Video) {
   video_media_info.senders[0].rtt_ms = 7500;
   video_media_info.senders[0].codec_payload_type = rtc::Optional<int>(42);
   video_media_info.senders[0].frames_encoded = 8;
-  video_media_info.senders[0].qp_sum = rtc::Optional<uint64_t>(16);
+  video_media_info.senders[0].qp_sum = rtc::Optional<uint64_t>();
 
   RtpCodecParameters codec_parameters;
   codec_parameters.payload_type = 42;
@@ -1972,16 +1974,31 @@ TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Video) {
   expected_video.bytes_sent = 6;
   expected_video.round_trip_time = 7.5;
   expected_video.frames_encoded = 8;
-  expected_video.qp_sum = 16;
+  // |expected_video.qp_sum| should be undefined.
 
   ASSERT_TRUE(report->Get(expected_video.id()));
-  const RTCOutboundRTPStreamStats& video = report->Get(
-      expected_video.id())->cast_to<RTCOutboundRTPStreamStats>();
-  EXPECT_EQ(video, expected_video);
+  EXPECT_EQ(
+      report->Get(expected_video.id())->cast_to<RTCOutboundRTPStreamStats>(),
+      expected_video);
 
   EXPECT_TRUE(report->Get(*expected_video.track_id));
   EXPECT_TRUE(report->Get(*expected_video.transport_id));
   EXPECT_TRUE(report->Get(*expected_video.codec_id));
+
+  // Set previously undefined values and "GetStats" again.
+  video_media_info.senders[0].qp_sum = rtc::Optional<uint64_t>(9);
+  expected_video.qp_sum = 9;
+
+  EXPECT_CALL(*video_media_channel, GetStats(_))
+      .WillOnce(DoAll(SetArgPointee<0>(video_media_info), Return(true)));
+  collector_->ClearCachedStatsReport();
+  report = GetStatsReport();
+  expected_video.set_timestamp_us_for_testing(report->timestamp_us());
+
+  ASSERT_TRUE(report->Get(expected_video.id()));
+  EXPECT_EQ(
+      report->Get(expected_video.id())->cast_to<RTCOutboundRTPStreamStats>(),
+      expected_video);
 }
 
 TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Default) {