#include <iostream>
#ifdef LINUX
#include <unistd.h>
#elif defined WIN32
#include <windows.h>
#endif

#include <gtest/gtest.h>

#include "GLTB/timemeasurement.h"
#include "GLTB/timer.h"

TEST(Timer, measure)
{
	gltb::Timer timer;

	timer.start();
	#ifdef LINUX
			sleep(5);
	#elif defined WIN32
			Sleep(5000);
	#endif
	long long duration = timer.stop();

	ASSERT_GE(duration, 4900);
	ASSERT_LE(duration, 5100);
}

TEST(TimeMeasurement, measureRepeatedAndContinued)
{
	gltb::TimeMeasurement measurement1, measurement2;
	gltb::Timer timer;
	long long duration;

	for(int i=0;i<10;i++) {
		measurement1.start();
		measurement2.start(true);
		timer.start();
#ifdef LINUX
		sleep(1);
#elif defined WIN32
		Sleep(1000);
#endif
		duration=timer.stop();
		std::cout << i << "\t" << duration << "ms" << std::endl;
		measurement1.stop();
		measurement2.stop();
	}
	ASSERT_EQ(measurement1.getNumMeasurements(), 10);
	ASSERT_EQ(measurement2.getNumMeasurements(), 1);

	ASSERT_GE(measurement1.getAverageTime(), 900);
	ASSERT_LE(measurement1.getAverageTime(), 1100);
	ASSERT_GE(measurement1.getAverageTime(5), 900);
	ASSERT_LE(measurement1.getAverageTime(5), 1100);
	ASSERT_GE(measurement2.getAverageTime(), 9000);
}

int main(int argc, char *argv[])
{
    ::testing::InitGoogleTest(&argc, argv);

    return RUN_ALL_TESTS();
}