1 files changed, 27 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/scenario/performance_stats_unittest.cc b/third_party/libwebrtc/test/scenario/performance_stats_unittest.cc
new file mode 100644
index 0000000000..8d87c87745
--- /dev/null
+++ b/third_party/libwebrtc/test/scenario/performance_stats_unittest.cc
@@ -0,0 +1,27 @@
+/*
+ *  Copyright 2019 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 "test/scenario/performance_stats.h"
+
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace test {
+
+TEST(EventRateCounter, ReturnsCorrectTotalDuration) {
+  EventRateCounter event_rate_counter;
+  EXPECT_EQ(event_rate_counter.TotalDuration(), TimeDelta::Zero());
+  event_rate_counter.AddEvent(Timestamp::Seconds(1));
+  EXPECT_EQ(event_rate_counter.TotalDuration(), TimeDelta::Zero());
+  event_rate_counter.AddEvent(Timestamp::Seconds(2));
+  EXPECT_EQ(event_rate_counter.TotalDuration(), TimeDelta::Seconds(1));
+}
+
+}  // namespace test
+}  // namespace webrtc