#include <time.h>
#include <stdint.h>
#include <stdio.h>

#include <testSuite.h>

static unsigned int startTime= 0;
static unsigned int timespan = 0;

void Timer_Start(void)
{
	startTime = clock();
}

unsigned int Timer_Stop(void)
{
	timespan = abs(clock() - startTime);
	return timespan;
}

void Timer_Output(void)
{
	static const char * units[] = {"m", "s", "ms", "us"};
	float seconds = (float)timespan / CLOCKS_PER_SEC;
	
	int unitIndex = 0;
	if (seconds <= 60)
	{
		for (unitIndex = 1; seconds < 1; unitIndex++)
		{
			seconds *= 1000;
			if (unitIndex == 3) break;
		}
	}
	else
	{
		seconds /= 60;
	}
	
	printf("---------------------------\nTime elapsed: %u%s\n\n", (unsigned int) seconds, units[unitIndex]);
}

void Timer_StopAndOutput(void)
{
	Timer_Stop();
	Timer_Output();
}