public StringBuilder CreateGrid(int numberofPrimes)
{
if (numberofPrimes == 0)
{
throw new ArgumentNullException(nameof(numberofPrimes));
}
var grid = _gridCreator.CreatePrimeMultiGrid(numberofPrimes);
return(_output.FormatOutput(grid));
}
public void CreateGrid_ParamNumberOfPrimesValueZero_ThrowsArgumentNullException()
{
Assert.Throws(typeof(ArgumentNullException), () => _gridCreator.CreatePrimeMultiGrid(0));
}