public void ShouldBeEqual()
{
//arrange
IReturnValue returnValue = new NumberAsString(1);
IReturnValue returnValue2 = new NumberAsString(1);
returnValue2.Should().Be(returnValue);
}
public void ShouldReturn1ForGiven1()
{
//arrange
IReturnValue expectedReturnValue = new NumberAsString(1);
//act
FizzBuzzNoPrimitives fizzBuzzNoPrimitives = new FizzBuzzNoPrimitives(1);
//assert
fizzBuzzNoPrimitives.Output().Should().Be(expectedReturnValue);
}
public NumberBuilder Remove(int startIndex, int lenght)
{
if (NumberAsString.Length > 0)
{
if (NumberAsString.Length - 1 >= startIndex && startIndex + lenght <= NumberAsString.Length)
{
NumberAsString = NumberAsString.Remove(startIndex, lenght);
}
}
return(this);
}
private bool IsLychrelNumber(int number)
{
string numberPresentation = number.ToString();
for (int i = 0; i < 50; ++i)
{
numberPresentation = NumberAsString.Sum(new string[] { numberPresentation, new string(numberPresentation.Reverse().ToArray()) });
if (IsPolindrom(numberPresentation))
{
return(false);
}
}
return(true);
}
public string Run(int numbersCount)
{
string result = NumberAsString.Sum(numbers);
return(result.Substring(0, numbersCount));
}
