public void GetTimeElapsed()
{
var calculations = new Calculations();
calculations.Start();
Thread.Sleep(800);
Assert.AreEqual(1,calculations.GetElapsedTime());
}
public void GetPreciseTimeElapsed()
{
var calculations = new Calculations();
calculations.Start();
Thread.Sleep(800);
var elapsedTime = calculations.GetElapsedTime();
Assert.IsTrue(elapsedTime>=0.75 || elapsedTime<0.90);
}