public void Should_ThrowArgumentException_When_NonPositivePeriod(int period)
{
// Arrange
List <double> expected = new List <double>();
// Act
// Assert
Assert.Throws <ArgumentException>("period", () => SimpleIndicator.MovingAverage(new List <double>(), period));
}
public void Should_EqualToDataSize(int length, int period)
{
// Arrange
List <double> data = ListHelper.GetDoubleListWithLength(length);
int expected = length;
// Act
List <double> output = SimpleIndicator.MovingAverage(data, period);
// Assert
Assert.Equal(expected, output.Count);
}
public void Should_ReturnSame_When_PeriodIsOne(int length)
{
// Arrange
int period = 1;
List <double> data = ListHelper.GetDoubleListWithLength(length);
List <double> expected = ListHelper.GetDoubleListWithLength(length);
// Act
List <double> output = SimpleIndicator.MovingAverage(data, period);
// Assert
Assert.Equal(expected, output);
}
public void Should_AllEmpty_When_LargePeriod()
{
// Arrange
int period = 5;
List <double> data = new List <double>()
{
3, 5, 7, 9
};
List <double> expected = new List <double>()
{
SimpleIndicator.EMPTY_NUMBER, SimpleIndicator.EMPTY_NUMBER, SimpleIndicator.EMPTY_NUMBER, SimpleIndicator.EMPTY_NUMBER
};
// Act
List <double> output = SimpleIndicator.MovingAverage(data, period);
// Assert
Assert.Equal(expected, output);
}
public void Should_Pass_When_NormalCase()
{
// Arrange
int period = 3;
List <double> data = new List <double>()
{
3, 5, 7, 9
};
List <double> expected = new List <double>()
{
SimpleIndicator.EMPTY_NUMBER, SimpleIndicator.EMPTY_NUMBER, 5, 7
};
// Act
List <double> output = SimpleIndicator.MovingAverage(data, period);
// Assert
Assert.Equal(expected, output);
}