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/*
* 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