public void WhenInvalidSquareDimension_ThrowsException(int dimension)
{
var magicSquare = new MagicSquare();
Should.Throw <ArgumentException>(() => magicSquare.IsValid(new int[dimension, dimension]))
.Message.ShouldBe("Invalid Magic Square dimensions");
}
public void WhenInputEmpty_ThrowsException()
{
var magicSquare = new MagicSquare();
Should.Throw <ArgumentException>(() => magicSquare.IsValid(new int[0, 0]))
.Message.ShouldBe("Input is invalid");
}
public void WhenInputIsNotASquare_ThrowsException()
{
var magicSquare = new MagicSquare();
var result = magicSquare.IsValid(new int[2, 0]);
result.ShouldBe(false);
}
public void WhenAnyValueInSquareIsZero_ReturnFalse()
{
var testData = new[, ] {
{ 0, 0, 1 }, { 0, 1, 0 }, { 1, 0, 0 }
};
var magicSquare = new MagicSquare();
magicSquare.IsValid(testData).ShouldBe(false);
}
static void Main(string[] args)
{
var numbers = args?.Select(arg =>
{
if (!int.TryParse(arg, out var result))
{
return(-1);
}
return(result);
}).ToArray() ?? new int[0];
var size = (int)Math.Sqrt(numbers.Length);
var square = new int[size, size];
for (var i = 0; i < numbers.Length; i++)
{
var x = i % size;
var y = i / size;
square[y, x] = numbers[i];
}
RenderSquare(square);
var magicSquare = new MagicSquare();
try
{
var isValid = magicSquare.IsValid(square);
if (isValid)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Input is valid magic square.");
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Input is not valid magic square.");
}
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.Error.WriteLine("Unable to process input data.");
Console.Error.WriteLine(ex.Message);
}
Console.WriteLine();
}
public void IsValid_ThrowsException_WhenInputNull()
{
Should.Throw <ArgumentNullException>(() => MagicSquare.IsValid(null));
}
public void WhenInputNull_ThrowsException()
{
var magicSquare = new MagicSquare();
Should.Throw <ArgumentNullException>(() => magicSquare.IsValid(null));
}