public void GetPrimeFactors_InvalidNumber_ReturnsEmptyList(int number)
{
var primeFactorService = new PrimeFactorService(new PrimeService());
var result = primeFactorService.GetPrimeFactors(number);
Assert.Empty(result);
}
public void GetPrimeFactors_PrimeNumber_ReturnsListContainingOnlyInput(int number)
{
var primeFactorService = new PrimeFactorService(new PrimeService());
var result = primeFactorService.GetPrimeFactors(number);
Assert.Equal(number, result.ToList().Single());
}
public void GetPrimeFactors_CompositeNumber_ReturnsCorrectPrimeFactors(int number)
{
var primeService = new PrimeService();
var primeFactorService = new PrimeFactorService(primeService);
var result = primeFactorService.GetPrimeFactors(number);
Assert.Equal(number, result.Aggregate(1, (x, y) => x * y));
Assert.All(result, x => primeService.IsPrime(x));
}
static void Main(string[] args)
{
Console.WriteLine("Enter file path:");
var path = Console.ReadLine();
var fileContents = File.ReadAllText(path);
//var fileContents = File.ReadAllText(@"..\..\..\numbers.txt");
var primeFactorService = new PrimeFactorService(new PrimeService());
var primeFactorLists = fileContents.Split('\n')
.Select(x => primeFactorService.GetPrimeFactors(int.Parse(x)));
foreach (var list in primeFactorLists)
{
Console.WriteLine(string.Join(", ", list));
}
Console.ReadLine();
}