RTCMediaStreamTrackStats.framesDropped collected by RTCStatsCollector.

webrtc/video/receive_statistics_proxy_unittest.cc

 /*
  *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/video/receive_statistics_proxy.h"
 
 #include <memory>
 
+#include "webrtc/api/video/video_frame.h"
+#include "webrtc/api/video/video_rotation.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
 #include "webrtc/system_wrappers/include/metrics.h"
 #include "webrtc/system_wrappers/include/metrics_default.h"
 #include "webrtc/test/gtest.h"
 
 namespace webrtc {
 namespace {
 const int64_t kFreqOffsetProcessIntervalInMs = 40000;
 const uint32_t kLocalSsrc = 123;
 const uint32_t kRemoteSsrc = 456;
@@ skipping 25 matching lines @@
 };
 
 TEST_F(ReceiveStatisticsProxyTest, OnDecodedFrameIncreasesFramesDecoded) {
   EXPECT_EQ(0u, statistics_proxy_->GetStats().frames_decoded);
   for (uint32_t i = 1; i <= 3; ++i) {
     statistics_proxy_->OnDecodedFrame();
     EXPECT_EQ(i, statistics_proxy_->GetStats().frames_decoded);
   }
 }
 
+TEST_F(ReceiveStatisticsProxyTest, OnRenderedFrameIncreasesFramesRendered) {
+  EXPECT_EQ(0u, statistics_proxy_->GetStats().frames_rendered);
+  webrtc::VideoFrame frame(
+      webrtc::I420Buffer::Create(1, 1), 0, 0, webrtc::kVideoRotation_0);
+  for (uint32_t i = 1; i <= 3; ++i) {
+    statistics_proxy_->OnRenderedFrame(frame);
+    EXPECT_EQ(i, statistics_proxy_->GetStats().frames_rendered);
+  }
+}
+
 TEST_F(ReceiveStatisticsProxyTest, GetStatsReportsSsrc) {
   EXPECT_EQ(kRemoteSsrc, statistics_proxy_->GetStats().ssrc);
 }
 
 TEST_F(ReceiveStatisticsProxyTest, GetStatsReportsIncomingPayloadType) {
   const int kPayloadType = 111;
   statistics_proxy_->OnIncomingPayloadType(kPayloadType);
   EXPECT_EQ(kPayloadType, statistics_proxy_->GetStats().current_payload_type);
 }
 
@@ skipping 271 matching lines @@
   codec_info.codecType = kVideoCodecVP8;
 
   for (int i = 0; i < kMinRequiredSamples; ++i)
     statistics_proxy_->OnPreDecode(encoded_image, &codec_info);
 
   statistics_proxy_.reset();
   EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.Decoded.Vp8.Qp"));
 }
 
 }  // namespace webrtc