chromium/net/nqe/observation_buffer_unittest.cc

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40284755): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif

#include "net/nqe/observation_buffer.h"

#include <stddef.h>

#include <map>
#include <string>
#include <utility>
#include <vector>

#include "base/test/simple_test_tick_clock.h"
#include "base/time/time.h"
#include "net/nqe/network_quality_estimator_params.h"
#include "net/nqe/network_quality_observation.h"
#include "net/nqe/network_quality_observation_source.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace net::nqe::internal {

namespace {

// Verify that the buffer size is never exceeded.
TEST(NetworkQualityObservationBufferTest, BoundedBuffer) { … }

// Verify that the percentiles are monotonically non-decreasing when a weight is
// applied.
TEST(NetworkQualityObservationBufferTest, GetPercentileWithWeights) { … }

// Verifies that the percentiles are correctly computed. All observations have
// the same timestamp.
TEST(NetworkQualityObservationBufferTest, PercentileSameTimestamps) { … }

// Verifies that the percentiles are correctly computed. Observations have
// different timestamps with half the observations being very old and the rest
// of them being very recent. Percentiles should factor in recent observations
// much more heavily than older samples.
TEST(NetworkQualityObservationBufferTest, PercentileDifferentTimestamps) { … }

// Verifies that the percentiles are correctly computed. All observations have
// same timestamp with half the observations taken at low RSSI, and half the
// observations with high RSSI. Percentiles should be computed based on the
// current RSSI and the RSSI of the observations.
TEST(NetworkQualityObservationBufferTest, PercentileDifferentRSSI) { … }

// Verifies that the percentiles are correctly computed when some of the
// observation sources are disallowed. All observations have the same timestamp.
TEST(NetworkQualityObservationBufferTest, RemoveObservations) { … }

TEST(NetworkQualityObservationBufferTest, TestGetMedianRTTSince) { … }


}  // namespace

}  // namespace net::nqe::internal