public void should_return_empty_array_if_no_prices_passed_to_calculate()
{
var sma = new SimpleMovingAverage(5);
var result = sma.Calculate(new double[] {});
Assert.AreEqual(0, result.Length);
}
public void Calculate_10PointsAllOnes_1()
{
var calc = new SimpleMovingAverage();
var points = Enumerable.Repeat(1d, 10).ToList();
var result = calc.Calculate(points);
Assert.AreEqual(1, result);
}
public void Calculate_PointsIsNull_ArgumentExceptionThrown()
{
var calc = new SimpleMovingAverage();
try
{
calc.Calculate(null);
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(ArgumentException));
}
}
public void Calculate_10PointsFromOneToTen_FiveAndAHalf()
{
var calc = new SimpleMovingAverage();
var points = new List <double>();
for (int i = 0; i < 10; i++)
{
points.Add(i + 1);
}
var result = calc.Calculate(points);
Assert.AreEqual(5.5, result);
}