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0beed5d69f
This class will be used in upcoming VideoQualiyObserver. Bug: none Change-Id: I7d79a6caf3040a3f707ed8700842dea1de81e0a6 Reviewed-on: https://webrtc-review.googlesource.com/77724 Reviewed-by: Erik Språng <sprang@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23343}
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
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* Copyright 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/numerics/sample_counter.h"
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#include <utility>
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#include <vector>
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#include "test/gmock.h"
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#include "test/gtest.h"
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using testing::Eq;
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namespace rtc {
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TEST(SampleCounterTest, ProcessesNoSamples) {
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constexpr int kMinSamples = 1;
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SampleCounter counter;
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EXPECT_THAT(counter.Avg(kMinSamples), Eq(rtc::nullopt));
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EXPECT_THAT(counter.Avg(kMinSamples), Eq(rtc::nullopt));
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EXPECT_THAT(counter.Max(), Eq(rtc::nullopt));
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}
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TEST(SampleCounterTest, NotEnoughSamples) {
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constexpr int kMinSamples = 6;
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SampleCounter counter;
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for (int value : {1, 2, 3, 4, 5}) {
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counter.Add(value);
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}
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EXPECT_THAT(counter.Avg(kMinSamples), Eq(rtc::nullopt));
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EXPECT_THAT(counter.Avg(kMinSamples), Eq(rtc::nullopt));
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EXPECT_THAT(counter.Max(), Eq(5));
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}
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TEST(SampleCounterTest, EnoughSamples) {
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constexpr int kMinSamples = 5;
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SampleCounter counter;
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for (int value : {1, 2, 3, 4, 5}) {
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counter.Add(value);
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}
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EXPECT_THAT(counter.Avg(kMinSamples), Eq(3));
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EXPECT_THAT(counter.Variance(kMinSamples), Eq(2));
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EXPECT_THAT(counter.Max(), Eq(5));
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}
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} // namespace rtc
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