protected void EnsurePrimeNumbers(byte[] bytes)
{
var needed = (bytes.Length + 1) * 256;
if (PrimeNumbers?.Count >= needed)
{
return;
}
PrimeNumbers = PrimeNumberGenerator.Generate(needed).ToList();
}
public int?[,] Generate(int length)
{
// Validate
if (length <= 0)
{
throw new ArgumentOutOfRangeException(nameof(length), $"Method {nameof(Generate)} only accepts {nameof(length)} values greater than 0.");
}
var primeList = _primeNumberGenerator.Generate(length).ToArray();
var result = new int?[length + 1, length + 1];
for (int i = 1; i <= length; i++)
{
result[0, i] = result[i, 0] = primeList[i - 1];
for (int j = 1; j <= i; j++)
{
result[j, i] = result[i, j] = primeList[i - 1] * primeList[j - 1];
}
}
return(result);
}
public void HappyPath_ValidNumbers_FirstLessThanSecond()
{
var values = _primeNumGenerator.Generate(1, 10);
Assert.IsNotNull(values);
Assert.AreEqual(4, values.Count);
Assert.AreEqual(2, values[0]);
Assert.AreEqual(3, values[1]);
Assert.AreEqual(5, values[2]);
Assert.AreEqual(7, values[3]);
}
