Add number of quality adapt changes to VideoSendStream stats.

webrtc/video/send_statistics_proxy_unittest.cc

 /*
  *  Copyright (c) 2013 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.
  */
 
@@ skipping 367 matching lines @@
 TEST_F(SendStatisticsProxyTest, SetQualityScalingUpdatesStats) {
   EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
   statistics_proxy_->SetQualityScalingStats(-1);
   EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
   statistics_proxy_->SetQualityScalingStats(0);
   EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
   statistics_proxy_->SetQualityScalingStats(1);
   EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
 }
 
+TEST_F(SendStatisticsProxyTest, GetStatsReportsCpuResolutionChanges) {
+  EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
+  EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
+
+  statistics_proxy_->OnCpuRestrictedResolutionChanged(true);
+  EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_resolution);
+  EXPECT_EQ(1, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
+
+  statistics_proxy_->OnCpuRestrictedResolutionChanged(false);
+  EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
+  EXPECT_EQ(2, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
+}
+
+TEST_F(SendStatisticsProxyTest, GetStatsReportsQualityResolutionChanges) {
+  EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
+  EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
+
+  statistics_proxy_->OnQualityRestrictedResolutionChanged(1);
+  EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
+  EXPECT_EQ(1, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
+
+  statistics_proxy_->OnQualityRestrictedResolutionChanged(2);
+  EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
+  EXPECT_EQ(2, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
+
+  statistics_proxy_->OnQualityRestrictedResolutionChanged(1);
+  EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
+  EXPECT_EQ(3, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
+
+  statistics_proxy_->OnQualityRestrictedResolutionChanged(0);
+  EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
+  EXPECT_EQ(4, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
+}
+
 TEST_F(SendStatisticsProxyTest, SwitchContentTypeUpdatesHistograms) {
   for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
     statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
 
   // No switch, stats should not be updated.
   VideoEncoderConfig config;
   config.content_type = VideoEncoderConfig::ContentType::kRealtimeVideo;
   statistics_proxy_->OnEncoderReconfigured(config, 50);
   EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.InputWidthInPixels"));
 
@@ skipping 964 matching lines @@
     fake_clock_.AdvanceTimeMilliseconds(kPeriodIntervalMs);
     proxy->DataCountersUpdated(counters, kFirstSsrc);
   }
 
   // FEC not enabled.
   statistics_proxy_.reset();
   EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.FecBitrateSentInKbps"));
 }
 
 }  // namespace webrtc