public void ReturnRightNumbers()
{
var primeCalculator = new EratosthenesSieveStrategy();
IEnumerable<int> primes = primeCalculator.FindPrimesLessThan(10).ToList();
Assert.IsTrue(primes.SequenceEqual(new[] { 2, 3, 5, 7 }));
}
public void ReturnRightNumbersForABiggerHighLimit()
{
var primeCalculator = new EratosthenesSieveStrategy();
IEnumerable<int> primes = primeCalculator.FindPrimesLessThan(100).ToList();
Assert.IsTrue(primes.SequenceEqual(new[] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 }));
}
private static int[] FindAndCacheAllPrimes(int maxValue)
{
// here we could as well read them from a file or some pre-calculated list
var primeCalculator = new EratosthenesSieveStrategy();
return primeCalculator.FindPrimesLessThan(maxValue).ToArray();
}