Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 56 insertions, 0 deletions

diff --git a/third_party/libwebrtc/test/jitter/logging_delay_variation_calculator_unittest.cc b/third_party/libwebrtc/test/jitter/logging_delay_variation_calculator_unittest.cc
new file mode 100644
index 0000000000..d28a235804
--- /dev/null
+++ b/third_party/libwebrtc/test/jitter/logging_delay_variation_calculator_unittest.cc
@@ -0,0 +1,56 @@
+/*
+ *  Copyright 2023 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/jitter/logging_delay_variation_calculator.h"
+
+#include <algorithm>
+#include <map>
+#include <string>
+#include <vector>
+
+#include "api/test/metrics/metrics_logger.h"
+#include "api/units/timestamp.h"
+#include "system_wrappers/include/clock.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace test {
+
+TEST(LoggingDelayVariationCalculator, TimeSeriesWithTwoFrames) {
+  SimulatedClock clock(123456);
+  DefaultMetricsLogger logger(&clock);
+  {
+    LoggingDelayVariationCalculator calc("TimeSeriesWithTwoFrames", &logger);
+    calc.Insert(3000, Timestamp::Millis(33), DataSize::Bytes(100));
+    calc.Insert(6000, Timestamp::Millis(66), DataSize::Bytes(100));
+    // Metrics are logged when `calc` goes out of scope.
+  }
+
+  std::vector<Metric> metrics = logger.GetCollectedMetrics();
+  std::map<std::string, double> last_sample_by_metric_name;
+  std::transform(metrics.begin(), metrics.end(),
+                 std::inserter(last_sample_by_metric_name,
+                               last_sample_by_metric_name.end()),
+                 [](const Metric& metric) {
+                   EXPECT_FALSE(metric.time_series.samples.empty());
+                   return std::make_pair(
+                       metric.name, metric.time_series.samples.back().value);
+                 });
+  EXPECT_EQ(last_sample_by_metric_name["rtp_timestamp"], 6000.0);
+  EXPECT_EQ(last_sample_by_metric_name["arrival_time"], 66.0);
+  EXPECT_EQ(last_sample_by_metric_name["size_bytes"], 100.0);
+  EXPECT_EQ(last_sample_by_metric_name["inter_departure_time"], 33.333);
+  EXPECT_EQ(last_sample_by_metric_name["inter_arrival_time"], 33.0);
+  EXPECT_EQ(last_sample_by_metric_name["inter_delay_variation"], -0.333);
+  EXPECT_EQ(last_sample_by_metric_name["inter_size_variation"], 0.0);
+}
+
+}  // namespace test
+}  // namespace webrtc