static void Main(string[] args)
{
WriteLine("Program in the PrimeFactors namespace from Program.cs in the PrimeFactorsApp folder");
var Primes = new Primes();
if (args.Length == 0)
{
WriteLine($"Prime factors for 186 are: {Primes.PrimeFactors(186)}");
}
else
{
bool isNumber = int.TryParse(args[0], out int number);
try
{
if (isNumber && number > 1)
{
WriteLine($"Prime factors for {number} are: {Primes.PrimeFactors(number)}");
}
else
{
WriteLine($"You entered invalid number to factorise - program stopping.");
}
}
catch (System.Exception ex)
{
Write($"Exception is {ex.GetType()} with message {ex.Message}");
}
}
}
static void Main(string[] args)
{
Write("Enter a number between 1 and 1000: ");
if (int.TryParse(ReadLine(), out int number))
{
WriteLine(format: "Prime factors of {0} are: {1}",
arg0: number,
arg1: Primes.PrimeFactors(number));
}
}
public void PrimeFactorsOf40()
{
// arrange
int number = 40;
string expected = "5 x 2 x 2 x 2";
// act
string actual = Primes.PrimeFactors(number);
// assert
Assert.Equal(expected, actual);
}
public void PrimeFactorsOf99()
{
// arrange
int number = 99;
string expected = "11 x 3 x 3";
// act
string actual = Primes.PrimeFactors(number);
// assert
Assert.Equal(expected, actual);
}
public void TestPrimeFactors2()
{
// arrange
int number = 2;
string expected = "2 ";
// act
string actual = Primes.PrimeFactors(number);
// assert
Assert.Equal(expected, actual);
}