115 lines
4.3 KiB
C++
115 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include <cmath>
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "libwebrtcglue/SystemTime.h"
|
|
|
|
using namespace mozilla;
|
|
using dom::PerformanceService;
|
|
using dom::RTCStatsTimestamp;
|
|
using dom::RTCStatsTimestampMaker;
|
|
|
|
static constexpr auto kWebrtcTimeOffset = webrtc::Timestamp::Seconds(123456789);
|
|
|
|
TEST(RTCStatsTimestampMakerRealtimeClock, ConvertTimestampToNtpTime)
|
|
{
|
|
auto maker = RTCStatsTimestampMaker::Create();
|
|
RTCStatsTimestampMakerRealtimeClock clock(maker);
|
|
constexpr auto ntpTo1Jan1970Ms = webrtc::kNtpJan1970 * 1000LL;
|
|
for (int i = 1000; i < 20000; i += 93) {
|
|
const auto t = kWebrtcTimeOffset + webrtc::TimeDelta::Micros(i);
|
|
const auto ntp = clock.ConvertTimestampToNtpTime(t);
|
|
// Because of precision differences, these round to a specific millisecond
|
|
// slightly differently.
|
|
EXPECT_NEAR(ntp.ToMs() - ntpTo1Jan1970Ms,
|
|
RTCStatsTimestamp::FromRealtime(maker, t).To1Jan1970().ms(),
|
|
1.0)
|
|
<< " for i=" << i;
|
|
}
|
|
}
|
|
|
|
TEST(RTCStatsTimestampMaker, ConvertNtpToDomTime)
|
|
{
|
|
auto maker = RTCStatsTimestampMaker::Create();
|
|
RTCStatsTimestampMakerRealtimeClock clock(maker);
|
|
for (int i = 1000; i < 20000; i += 93) {
|
|
const auto t = kWebrtcTimeOffset + webrtc::TimeDelta::Micros(i);
|
|
const auto ntp = clock.ConvertTimestampToNtpTime(t);
|
|
const auto dom =
|
|
RTCStatsTimestamp::FromNtp(maker, webrtc::Timestamp::Millis(ntp.ToMs()))
|
|
.ToDom();
|
|
// Because of precision differences, these round to a specific millisecond
|
|
// slightly differently.
|
|
EXPECT_NEAR(std::lround(dom),
|
|
std::lround(RTCStatsTimestamp::FromRealtime(maker, t).ToDom()),
|
|
1.0)
|
|
<< " for i=" << i;
|
|
}
|
|
}
|
|
|
|
TEST(RTCStatsTimestampMaker, ConvertMozTime)
|
|
{
|
|
auto maker = RTCStatsTimestampMaker::Create();
|
|
const auto start = TimeStamp::Now();
|
|
RTCStatsTimestampMakerRealtimeClock clock(maker);
|
|
for (int i = 1000; i < 20000; i += 93) {
|
|
const auto duration = TimeDuration::FromMicroseconds(i);
|
|
const auto time = RTCStatsTimestamp::FromMozTime(maker, start + duration);
|
|
EXPECT_EQ(duration.ToMicroseconds(),
|
|
(time.ToMozTime() - start).ToMicroseconds())
|
|
<< " for i=" << i;
|
|
}
|
|
}
|
|
|
|
TEST(RTCStatsTimestampMaker, ConvertRealtime)
|
|
{
|
|
auto maker = RTCStatsTimestampMaker::Create();
|
|
const auto start = kWebrtcTimeOffset;
|
|
RTCStatsTimestampMakerRealtimeClock clock(maker);
|
|
for (int i = 1000; i < 20000; i += 93) {
|
|
const auto duration = webrtc::TimeDelta::Micros(i);
|
|
const auto time = RTCStatsTimestamp::FromRealtime(maker, start + duration);
|
|
// Because of precision differences, these round to a specific Microsecond
|
|
// slightly differently.
|
|
EXPECT_NEAR(duration.us(), (time.ToRealtime() - start).us(), 1)
|
|
<< " for i=" << i;
|
|
}
|
|
}
|
|
|
|
TEST(RTCStatsTimestampMaker, Convert1Jan1970)
|
|
{
|
|
auto maker = RTCStatsTimestampMaker::Create();
|
|
const auto start =
|
|
kWebrtcTimeOffset +
|
|
webrtc::TimeDelta::Millis(PerformanceService::GetOrCreate()->TimeOrigin(
|
|
WebrtcSystemTimeBase()));
|
|
RTCStatsTimestampMakerRealtimeClock clock(maker);
|
|
for (int i = 1000; i < 20000; i += 93) {
|
|
const auto duration = webrtc::TimeDelta::Micros(i);
|
|
const auto time = RTCStatsTimestamp::From1Jan1970(maker, start + duration);
|
|
// Because of precision differences, these round to a specific Microsecond
|
|
// slightly differently.
|
|
EXPECT_NEAR(duration.us(), (time.To1Jan1970() - start).us(), 1)
|
|
<< " for i=" << i;
|
|
}
|
|
}
|
|
|
|
TEST(RTCStatsTimestampMaker, ConvertDomRealtime)
|
|
{
|
|
auto maker = RTCStatsTimestampMaker::Create();
|
|
const auto start = kWebrtcTimeOffset;
|
|
RTCStatsTimestampMakerRealtimeClock clock(maker);
|
|
for (int i = 1000; i < 20000; i += 93) {
|
|
const auto duration = webrtc::TimeDelta::Micros(i);
|
|
const auto time =
|
|
RTCStatsTimestamp::FromDomRealtime(maker, start + duration);
|
|
// Because of precision differences, these round to a specific Microsecond
|
|
// slightly differently.
|
|
EXPECT_NEAR(duration.us(), (time.ToDomRealtime() - start).us(), 1)
|
|
<< " for i=" << i;
|
|
}
|
|
}
|