public void GetSumOfHiccupsAndTime()
{
LinealBufferHiccupCounter counter = new LinealBufferHiccupCounter();
float hiccups = 0.0f;
float totalTime = 0.0f;
int hiccupCount = 0;
// Fill in random values
for (int i = 0; i < 1500; i++)
{
float value = Random.Range(0.001f, 1f);
counter.AddDeltaTime(value);
}
for (int i = 0; i < 1000; i++)
{
float value = Random.Range(0.001f, 1f);
totalTime += value;
if (value > FPSEvaluation.HICCUP_THRESHOLD_IN_SECONDS)
{
hiccupCount += 1;
hiccups += value;
}
counter.AddDeltaTime(value);
}
const float eps = 0.002f;
Assert.LessOrEqual(Mathf.Abs(counter.HiccupsSum - hiccups), eps);
Assert.AreEqual(counter.HiccupsCountInBuffer, hiccupCount);
Assert.LessOrEqual(Mathf.Abs(counter.GetTotalSeconds() - totalTime), eps);
}
public void BehavesLikeFPSCounter()
{
LinealBufferHiccupCounter counter = new LinealBufferHiccupCounter();
const float tenMillis = 0.01f;
const float expectedFps = 100.0f;
for (int i = 0; i < 100; i++)
{
counter.AddDeltaTime(tenMillis);
}
Assert.AreEqual(counter.CurrentFPSCount(), expectedFps);
}
public void DetectsOneHiccup()
{
LinealBufferHiccupCounter counter = new LinealBufferHiccupCounter();
const float tenMillis = 0.01f;
for (int i = 0; i < 100; i++)
{
counter.AddDeltaTime(tenMillis);
}
counter.AddDeltaTime(FPSEvaluation.HICCUP_THRESHOLD_IN_SECONDS + 0.01f);
Assert.AreEqual(counter.HiccupsCountInBuffer, 1);
}
public void CorrectlyAccountsTimeInHiccups()
{
LinealBufferHiccupCounter counter = new LinealBufferHiccupCounter();
float hiccups = 0.0f;
int hiccupCount = 0;
for (int i = 0; i < 1000; i++)
{
float value = Random.Range(0.001f, 1f);
counter.AddDeltaTime(value);
if (value > FPSEvaluation.HICCUP_THRESHOLD_IN_SECONDS)
{
hiccups += value;
hiccupCount += 1;
}
}
Assert.AreEqual(counter.HiccupsSum, hiccups);
Assert.AreEqual(counter.HiccupsCountInBuffer, hiccupCount);
}