private static void Main()
{
Console.WriteLine(EnterNumberPrompt);
var input = Console.ReadLine();
var matrixSize = 0;
while (!int.TryParse(input, out matrixSize) ||
matrixSize < 0 ||
matrixSize > 100)
{
Console.WriteLine(EnterNumberPrompt);
input = Console.ReadLine();
}
var matrix = RotatingWalkInMatrixCalculator.Calculate(matrixSize);
for (var row = 0; row < matrixSize; row++)
{
for (var col = 0; col < matrixSize; col++)
{
Console.Write("{0,3}", matrix[row, col]);
}
Console.WriteLine();
}
}
public void Calculate_WhenInputIsValid_ShouldReturnCorrectResults(int[,] expected)
{
var validMatrixSize = expected.GetLength(0);
var result = RotatingWalkInMatrixCalculator.Calculate(validMatrixSize);
Assert.AreEqual(expected, result);
}
public void Calculate_WhenInputIsLessThanZero_ShouldThrowArgumentOutOfRangeExceptionWithCorrectMessage()
{
var invalidMatrixSize = -1;
var ex =
Assert.Throws <ArgumentOutOfRangeException>(() => RotatingWalkInMatrixCalculator.Calculate(invalidMatrixSize));
StringAssert.Contains("Matrix size", ex.Message);
}
