public void PIApproximator_GenerateTenPoints_ShouldReturnTenPointsEnumerable()
{
PIApproximator pia = new PIApproximator();
List <Point> points = pia.GeneratePoints(10) as List <Point>;
Assert.Equal(10, points.Count);
}
public void PIApproximator_AddEmptyPoints_ShouldThrow()
{
Point[] randCollection = new Point[] { };
PIApproximator pia = new PIApproximator(randCollection);
Assert.Throws <Exception>(() => pia.Approximate());
}
public void PIApproximator_ApproximateFromAHundredPoints_LateAssignment()
{
PIApproximator pia = new PIApproximator();
List <Point> points = pia.GeneratePoints(10) as List <Point>;
pia.AddPoints(points);
double piApproximation = pia.Approximate();
}
public void PIApproximator_AddTenPoints_ShouldNotThrow()
{
List <Point> randCollection = new List <Point>();
for (int i = 0; i < 10; i++)
{
randCollection.Add(Point.NewPoint());
}
PIApproximator pia = new PIApproximator(randCollection.ToArray());
pia.Approximate();
}
public void PIApproximator_Approximate_ApproximationOver2()
{
List <Point> randCollection = new List <Point>();
for (int i = 0; i < 10000000; i++)
{
randCollection.Add(Point.NewPoint());
}
PIApproximator pia = new PIApproximator(randCollection.ToArray());
double piApprox = pia.Approximate();
Assert.True(piApprox > 2);
}
public void PIApproximator_Approximate_ApproximationAround3dot14()
{
List <Point> randCollection = new List <Point>();
for (long i = 0; i < 10000000; i++)
{
randCollection.Add(Point.NewPoint());
}
PIApproximator pia = new PIApproximator(randCollection.ToArray());
double piApprox = pia.Approximate();
// approximation around Math.PI
Assert.True(piApprox >= (Math.PI - (Math.PI * 0.1)));
Assert.True(piApprox <= (Math.PI + (Math.PI * 0.1)));
}
