public void SimpsonCalculator_Right()
{
//arrange
double expected = 174591.027;
int a = 1;
int b = 100;
int n = 100000;
SimpsonCalculator SimpsonCalculator = new SimpsonCalculator();
Func <double, double> f = x => 35 * x - Math.Log(10 * x) + 2;
//act
double actual = SimpsonCalculator.Calculate(a, b, n, f);
//accert
Assert.AreEqual(expected, actual, 0.001);
}
public void Error_if_a_and_b_below_zero()
{
double expected = 174591.027;
int a = -1;
int b = -100;
int n = 100;
Func <double, double> f = x => 35 * x - Math.Log(10 * x) + 2;
RectangleCalculator RectangleCalculator = new RectangleCalculator();
TrapCalculator TrapCalculator = new TrapCalculator();
SimpsonCalculator SimpsonCalculator = new SimpsonCalculator();
//act
double actual1 = RectangleCalculator.Calculate(a, b, n, f);
double actual2 = TrapCalculator.Calculate(a, b, n, f);
double actual3 = SimpsonCalculator.Calculate(a, b, n, f);
}
