static void Main(string[] args)
{
//Instructions for player
Console.WriteLine("Welcome!");
Console.WriteLine("This application can evaluate any number between 0 and 2'147'483'647 and tell you if it is prime or not.");
Console.WriteLine("All the prime numbers are saved in a list. You can reffer to the list any time you want.");
Console.WriteLine("Your can also get suggestion of next prime number, compared to the current highest prime number in the list.");
Console.WriteLine("[1] Evaluate number");
Console.WriteLine("[2] Print prime number list");
Console.WriteLine("[3] Suggest next prime number");
Console.WriteLine("[4] Exit");
//Game loop
bool running = true;
while (running)
{
Console.Write(">>");
string input = Console.ReadLine();
//Some methods return a new updated value for CurrentHighestPrime. This variable catches these
//values and is used to update the property accordingly.
int updatedCurrentHighestPrime;
switch (input)
{
case "1":
Console.WriteLine("Type a number");
input = Console.ReadLine();
Console.WriteLine(ResponseGenerator.CheckNumber(input, PrimeNumbers, CurrentHighestPrime, out updatedCurrentHighestPrime));
CurrentHighestPrime = updatedCurrentHighestPrime;
break;
case "2":
Console.WriteLine(ResponseGenerator.PrintPrimeNumberList(PrimeNumbers));
break;
case "3":
Console.WriteLine(ResponseGenerator.PrintNextPrimeNumber(CurrentHighestPrime, PrimeNumbers, out updatedCurrentHighestPrime));
CurrentHighestPrime = updatedCurrentHighestPrime;
break;
case "4":
Console.WriteLine("Bye bye!");
running = false;
break;
default:
Console.WriteLine("Invalid command");
break;
}
}
}
public void PrintNextPrimeNumber_WhenListIsEmpty_ReturnsRightMessage()
{
List <int> temp = new List <int>();
int updatedCurrentHighest;
Assert.AreEqual("The list is empty, you must have at least one prime number in the list to use this function", ResponseGenerator.PrintNextPrimeNumber(0, temp, out updatedCurrentHighest));
}
public void PrintNextPrimeNumber_CurrentHighestBeing5_ReturnsRightMessage()
{
List <int> temp = new List <int> {
5
};
int updatedCurrentHighest;
Assert.AreEqual("The next prime number would be 7. We have added it to the list", ResponseGenerator.PrintNextPrimeNumber(5, temp, out updatedCurrentHighest));
}
