public int[] FilterDigitTestOnlyEven(params int[] numbers)
{
return(ArrayAlgorithm.FilterDigit(el => el % 2 == 0, numbers));
}
public void FilterDigit_ThrowsArgumentException(int digit)
{
Assert.Throws <ArgumentException>(
() => ArrayAlgorithm.FilterDigit(new IsDigitInNumberPredicate(digit), null));
}
public int[] FilterDigitTestWithInterface(int digit, params int[] numbers)
{
return(ArrayAlgorithm.FilterDigit(new IsDigitInNumberPredicate(digit), numbers));
}