public void InitializeTest_IncorrectInputForTwoArguments_ExpectedException(int startValue, int boundaryValue)
{
//Arrange
SquareLessNSequenceGenerator fb = new SquareLessNSequenceGenerator();
//Act
fb.Initialize(startValue, boundaryValue);
}
public void InitializeTest_DoNotInitializeGenerator_ExpectedException()
{
//Arrange
SquareLessNSequenceGenerator fb = new SquareLessNSequenceGenerator();
//Act
foreach (int element in fb)
{
Console.WriteLine(element);
}
}
public void GetEnumeratorTest_CorrectInputForTwoArgument(int boundaryValue, int startValue, int[] expected)
{
//Arrange
SquareLessNSequenceGenerator fb = new SquareLessNSequenceGenerator();
fb.Initialize(startValue, boundaryValue);
int[] actual = new int[0];
//Act
int i = 0;
foreach (int element in fb)
{
Console.WriteLine(element);
Array.Resize <int>(ref actual, i + 1);
actual[i] = element;
i++;
}
//Assert
CollectionAssert.AreEqual(expected, actual);
}
public static void Parse(
string[] args,
out ISequenceGenerator sequenceGenerator,
out int boundaryValue,
out int?startValue)
{
if (args.Length < (int)ArgumentsCount.Minimum)
{
throw new ArgumentException("You do not have enough arguments! "
+ "Please, enter the correct number of arguments!");
}
if (args.Length > (int)ArgumentsCount.Maximum)
{
throw new ArgumentException("You have too many arguments! "
+ "Please, enter the correct number of arguments!");
}
string sequenceGeneratorType = args[0].ToLower();
switch (sequenceGeneratorType)
{
case "fibonacci":
sequenceGenerator = new FibonacciSequenceGenerator();
break;
case "squarelessn":
sequenceGenerator = new SquareLessNSequenceGenerator();
break;
default:
throw new ArgumentException("Please, enter correct algorithm "
+ "for searching the sequence");
}
if (!int.TryParse(args[1], out boundaryValue))
{
throw new ArgumentException("The second argument is not a number or is a too big number!");
}
startValue = null;
if (args.Length == (int)ArgumentsCount.Maximum)
{
int thirdArgument;
if (!int.TryParse(args[2], out thirdArgument))
{
throw new ArgumentException("The third argument is not a number!");
}
else
{
startValue = thirdArgument;
if (startValue - boundaryValue > 0)
{
throw new ArgumentException("The third argument (boundary value) can not be "
+ "bigger than second (start value)! Please, check your arguments!");
}
if (startValue < 0 || boundaryValue < 0)
{
throw new ArgumentException("Arguments can not be negative!");
}
}
}
}
