InstrumentTests.cpp File Reference

#include <doctest/doctest.h>
#include "WallClockTimer.hpp"
#include <chrono>
#include <thread>

Go to the source code of this file.

Functions
	TEST_SUITE ("Instruments")

Function Documentation

TEST_SUITE()

TEST_SUITE

(

"Instruments"

)

Definition at line 14 of file InstrumentTests.cpp.

References WallClockTimer::GetMeasurements(), WallClockTimer::GetName(), WallClockTimer::Start(), WallClockTimer::Stop(), and WallClockTimer::WALL_CLOCK_TIME.

{
TEST_CASE("WallClockTimerInMicroseconds")
{
    WallClockTimer wallClockTimer;

    CHECK((std::string(wallClockTimer.GetName()) == std::string("WallClockTimer")));

    // start the timer
    wallClockTimer.Start();

    // wait for 10 microseconds
    std::this_thread::sleep_for(std::chrono::microseconds(10));

   // stop the timer
    wallClockTimer.Stop();

    CHECK((wallClockTimer.GetMeasurements().front().m_Name == WallClockTimer::WALL_CLOCK_TIME));

    // check that WallClockTimer measurement should be >= 10 microseconds
    CHECK_GE(wallClockTimer.GetMeasurements().front().m_Value, std::chrono::microseconds(10).count());
}

TEST_CASE("WallClockTimerInNanoseconds")
{
    WallClockTimer wallClockTimer;

    CHECK((std::string(wallClockTimer.GetName()) == std::string("WallClockTimer")));

    // start the timer
    wallClockTimer.Start();

    // wait for 500 nanoseconds - 0.5 microseconds
    std::this_thread::sleep_for(std::chrono::nanoseconds(500));

    // stop the timer
    wallClockTimer.Stop();

    CHECK((wallClockTimer.GetMeasurements().front().m_Name == WallClockTimer::WALL_CLOCK_TIME));

    // delta is 0.5 microseconds
    const auto delta =
        std::chrono::duration_cast<std::chrono::duration<double, std::micro>>(std::chrono::nanoseconds(500));

    // check that WallClockTimer measurement should be >= 0.5 microseconds
    CHECK_GE(wallClockTimer.GetMeasurements().front().m_Value, delta.count());
}

}