mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-19 08:37:54 +01:00
8037fc6ffa
Bug: webrtc:342905193 No-Try: True Change-Id: Icc968be43b8830038ea9a1f5f604307220457807 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/361021 Auto-Submit: Florent Castelli <orphis@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Florent Castelli <orphis@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42911}
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2018 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 "rtc_base/numerics/moving_average.h"
|
|
|
|
#include <optional>
|
|
|
|
#include "test/gtest.h"
|
|
|
|
namespace test {
|
|
|
|
TEST(MovingAverageTest, EmptyAverage) {
|
|
rtc::MovingAverage moving_average(1);
|
|
EXPECT_EQ(0u, moving_average.Size());
|
|
EXPECT_EQ(std::nullopt, moving_average.GetAverageRoundedDown());
|
|
}
|
|
|
|
// Test single value.
|
|
TEST(MovingAverageTest, OneElement) {
|
|
rtc::MovingAverage moving_average(1);
|
|
moving_average.AddSample(3);
|
|
EXPECT_EQ(1u, moving_average.Size());
|
|
EXPECT_EQ(3, *moving_average.GetAverageRoundedDown());
|
|
}
|
|
|
|
TEST(MovingAverageTest, GetAverage) {
|
|
rtc::MovingAverage moving_average(1024);
|
|
moving_average.AddSample(1);
|
|
moving_average.AddSample(1);
|
|
moving_average.AddSample(3);
|
|
moving_average.AddSample(3);
|
|
EXPECT_EQ(*moving_average.GetAverageRoundedDown(), 2);
|
|
EXPECT_EQ(*moving_average.GetAverageRoundedToClosest(), 2);
|
|
}
|
|
|
|
TEST(MovingAverageTest, GetAverageRoundedDownRounds) {
|
|
rtc::MovingAverage moving_average(1024);
|
|
moving_average.AddSample(1);
|
|
moving_average.AddSample(2);
|
|
moving_average.AddSample(2);
|
|
moving_average.AddSample(2);
|
|
EXPECT_EQ(*moving_average.GetAverageRoundedDown(), 1);
|
|
}
|
|
|
|
TEST(MovingAverageTest, GetAverageRoundedToClosestRounds) {
|
|
rtc::MovingAverage moving_average(1024);
|
|
moving_average.AddSample(1);
|
|
moving_average.AddSample(2);
|
|
moving_average.AddSample(2);
|
|
moving_average.AddSample(2);
|
|
EXPECT_EQ(*moving_average.GetAverageRoundedToClosest(), 2);
|
|
}
|
|
|
|
TEST(MovingAverageTest, Reset) {
|
|
rtc::MovingAverage moving_average(5);
|
|
moving_average.AddSample(1);
|
|
EXPECT_EQ(1, *moving_average.GetAverageRoundedDown());
|
|
EXPECT_EQ(1, *moving_average.GetAverageRoundedToClosest());
|
|
|
|
moving_average.Reset();
|
|
|
|
EXPECT_FALSE(moving_average.GetAverageRoundedDown());
|
|
moving_average.AddSample(10);
|
|
EXPECT_EQ(10, *moving_average.GetAverageRoundedDown());
|
|
EXPECT_EQ(10, *moving_average.GetAverageRoundedToClosest());
|
|
}
|
|
|
|
TEST(MovingAverageTest, ManySamples) {
|
|
rtc::MovingAverage moving_average(10);
|
|
for (int i = 1; i < 11; i++) {
|
|
moving_average.AddSample(i);
|
|
}
|
|
EXPECT_EQ(*moving_average.GetAverageRoundedDown(), 5);
|
|
EXPECT_EQ(*moving_average.GetAverageRoundedToClosest(), 6);
|
|
for (int i = 1; i < 2001; i++) {
|
|
moving_average.AddSample(i);
|
|
}
|
|
EXPECT_EQ(*moving_average.GetAverageRoundedDown(), 1995);
|
|
EXPECT_EQ(*moving_average.GetAverageRoundedToClosest(), 1996);
|
|
}
|
|
|
|
} // namespace test
|