InstrumentTests.cpp File Reference

#include <boost/test/unit_test.hpp>
#include "WallClockTimer.hpp"
#include <chrono>
#include <thread>

Go to the source code of this file.

Functions
	BOOST_AUTO_TEST_CASE (WallClockTimerInMicroseconds)
	BOOST_AUTO_TEST_CASE (WallClockTimerInNanoseconds)

Function Documentation

BOOST_AUTO_TEST_CASE() [1/2]

BOOST_AUTO_TEST_CASE

(

WallClockTimerInMicroseconds

)

Definition at line 16 of file InstrumentTests.cpp.

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

{
    WallClockTimer wallClockTimer;

    BOOST_CHECK_EQUAL(wallClockTimer.GetName(), "WallClockTimer");

    // start the timer
    wallClockTimer.Start();

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

   // stop the timer
    wallClockTimer.Stop();

    BOOST_CHECK_EQUAL(wallClockTimer.GetMeasurements().front().m_Name, WallClockTimer::WALL_CLOCK_TIME);

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

BOOST_AUTO_TEST_CASE() [2/2]

BOOST_AUTO_TEST_CASE

(

WallClockTimerInNanoseconds

)

Definition at line 37 of file InstrumentTests.cpp.

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

{
    WallClockTimer wallClockTimer;

    BOOST_CHECK_EQUAL(wallClockTimer.GetName(), "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();

    BOOST_CHECK_EQUAL(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
    BOOST_CHECK_GE(wallClockTimer.GetMeasurements().front().m_Value, delta.count());
}