webrtc_m130/webrtc/rtc_base/moving_max_counter_unittest.cc
ilnik a79cc28de1 Report max interframe delay over window insdead of interframe delay sum
Maximum of interframe delay is calculated over moving window in
ReceiveStatistics proxy now and reported via GetStats. Name of a metric
is also changed.

BUG=none

Review-Url: https://codereview.webrtc.org/2995143002
Cr-Commit-Position: refs/heads/master@{#19463}
2017-08-23 12:24:10 +00:00

58 lines
1.9 KiB
C++

/*
* Copyright (c) 2017 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 "webrtc/rtc_base/moving_max_counter.h"
#include "webrtc/test/gtest.h"
TEST(MovingMaxCounter, ReportsMaximumInTheWindow) {
rtc::MovingMaxCounter<int> counter(100);
counter.Add(1, 1);
EXPECT_EQ(counter.Max(1), rtc::Optional<int>(1));
counter.Add(2, 30);
EXPECT_EQ(counter.Max(30), rtc::Optional<int>(2));
counter.Add(100, 60);
EXPECT_EQ(counter.Max(60), rtc::Optional<int>(100));
counter.Add(4, 70);
EXPECT_EQ(counter.Max(70), rtc::Optional<int>(100));
counter.Add(5, 90);
EXPECT_EQ(counter.Max(90), rtc::Optional<int>(100));
}
TEST(MovingMaxCounter, IgnoresOldElements) {
rtc::MovingMaxCounter<int> counter(100);
counter.Add(1, 1);
counter.Add(2, 30);
counter.Add(100, 60);
counter.Add(4, 70);
counter.Add(5, 90);
EXPECT_EQ(counter.Max(160), rtc::Optional<int>(100));
// 100 is now out of the window. Next maximum is 5.
EXPECT_EQ(counter.Max(161), rtc::Optional<int>(5));
}
TEST(MovingMaxCounter, HandlesEmptyWindow) {
rtc::MovingMaxCounter<int> counter(100);
counter.Add(123, 1);
EXPECT_TRUE(counter.Max(101).has_value());
EXPECT_FALSE(counter.Max(102).has_value());
}
TEST(MovingMaxCounter, HandlesSamplesWithEqualTimestamps) {
rtc::MovingMaxCounter<int> counter(100);
counter.Add(2, 30);
EXPECT_EQ(counter.Max(30), rtc::Optional<int>(2));
counter.Add(5, 30);
EXPECT_EQ(counter.Max(30), rtc::Optional<int>(5));
counter.Add(4, 30);
EXPECT_EQ(counter.Max(30), rtc::Optional<int>(5));
counter.Add(1, 90);
EXPECT_EQ(counter.Max(150), rtc::Optional<int>(1));
}