public int GetCountLuckyTickets(string algorithmName,
int start = DefaultStart, int end = DefaultEnd,
int countDigits = DefaultCountDigits)
{
if (start > end)
{
throw new ArgumentException("End can't be less than start");
}
if (!Ticket.IsRealTicket(start, DefaultCountDigits) ||
!Ticket.IsRealTicket(end, DefaultCountDigits))
{
throw new ArgumentException("Range are invalid");
}
var determinator = factory.CreateDeterminator(algorithmName);
int count = 0;
for (int i = start; i <= end; i++)
{
if (determinator.IsLuckyTicket(new Ticket(i, countDigits)))
{
++count;
}
}
return(count);
}
public void CreateDeterminator_StrMoskow_MoskowLuckyTicketDeterminator()
{
//arrange
var factory = new LuckyTicketDeterminatorFactory();
//act
var actual = factory.CreateDeterminator("Moskow");
//assert
Assert.IsType <MoskowLuckyTicketDeterminator>(actual);
}
public void CreateDeterminator_StrPiter_PiterLuckyTicketDeterminator()
{
//arrange
var factory = new LuckyTicketDeterminatorFactory();
//act
var actual = factory.CreateDeterminator("Piter");
//assert
Assert.IsType <PiterLuckyTicketDeterminator>(actual);
}
public void CreateDeterminator_NullStr_Null()
{
//arrange
var factory = new LuckyTicketDeterminatorFactory();
//act
var actual = factory.CreateDeterminator(null);
//assert
Assert.Null(actual);
}