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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include <boost/test/unit_test.hpp>
#include "WallClockTimer.hpp"
#include <chrono>
#include <thread>
using namespace armnn;
BOOST_AUTO_TEST_SUITE(Instruments)
BOOST_AUTO_TEST_CASE(WallClockTimerInMicroseconds)
{
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(WallClockTimerInNanoseconds)
{
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());
}
BOOST_AUTO_TEST_SUITE_END()
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