public void CorrectLargestPrimeFactor(long target, int expectedLargestPrimeFactor)
{
var service = new LargestPrimeFactorService();
var largestPrimeFactor = service.CalculateLargestPrimeFactor(target);
Assert.That(largestPrimeFactor, Is.EqualTo(expectedLargestPrimeFactor));
}
public void ThrowsForNumbersBelowTwo()
{
var service = new LargestPrimeFactorService();
Assert.Throws<InvalidOperationException>(() => service.CalculateLargestPrimeFactor(1));
}