public void ValidateGroupOfNine_ShouldReturnTrue_IfArrayIsValid()
{
var validGroup = new int[] { 3, 2, 1, 4, 5, 6, 7, 8, 9 };
var result = new SudokuChecker().ValidateGroupOfNine(validGroup);
Assert.IsTrue(result);
}
public void ValidateGroupOfNine_ShouldReturnFalse_IfArrayDoesNotContainAllDigits()
{
var invalidGroup = new int[] { 1, 2, 3, 3, 5, 6, 7, 8, 9 };
var result = new SudokuChecker().ValidateGroupOfNine(invalidGroup);
Assert.IsFalse(result);
}
public void ValidateGroupOfNine_ShouldReturnFalse_IfArrayIsTooLong()
{
var tooLong = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
var result = new SudokuChecker().ValidateGroupOfNine(tooLong);
Assert.IsFalse(result);
}
public void ValidateGroupOfNine_ShouldReturnFalse_IfArrayIsTooShort()
{
var tooShort = new int[] { 1, 2 };
var result = new SudokuChecker().ValidateGroupOfNine(tooShort);
Assert.IsFalse(result);
}
static void Main(string[] args)
{
char[,] grid =
{
{ '5', '3', '4', '6', '7', '8', '9', '1', '2' },
{ '6', '7', '2', '1', '9', '5', '3', '4', '8' },
{ '1', '9', '8', '3', '4', '2', '5', '6', '7' },
{ '8', '5', '9', '7', '6', '1', '4', '2', '3' },
{ '4', '2', '6', '8', '5', '3', '7', '9', '1' },
{ '7', '1', '3', '9', '2', '4', '8', '5', '6' },
{ '9', '6', '1', '5', '3', '7', '2', '8', '4' },
{ '2', '8', '7', '4', '1', '9', '6', '3', '5' },
{ '3', '4', '5', '2', '8', '6', '1', '7', '9' }
};
var sudokuBoard = new SudokuChecker(grid);
bool ValidBoard = sudokuBoard.IsValid();
if (ValidBoard == true)
{
Console.WriteLine("Numbers of Sudoku board are correct");
}
else
{
Console.WriteLine("Numbers of Sudoku board are incorrect, please check your board");
}
}
private bool CheckRows(char[][] board)
{
for (int i = 0; i < 9; i++)
{
var sudokuChecker = new SudokuChecker();
for (int j = 0; j < 9; j++)
{
if (!sudokuChecker.AddChar(board[i][j]))
{
return(false);
}
}
}
return(true);
}
public void Test()
{
var grid = new[] {
new [] { ".", "4", ".", ".", ".", ".", ".", ".", "." },
new [] { ".", ".", "4", ".", ".", ".", ".", ".", "." },
new [] { ".", ".", ".", "1", ".", ".", "7", ".", "." },
new [] { ".", ".", ".", ".", ".", ".", ".", ".", "." },
new [] { ".", ".", ".", "3", ".", ".", ".", "6", "." },
new [] { ".", ".", ".", ".", ".", "6", ".", "9", "." },
new [] { ".", ".", ".", ".", "1", ".", ".", ".", "." },
new [] { ".", ".", ".", ".", ".", ".", "2", ".", "." },
new [] { ".", ".", ".", "8", ".", ".", ".", ".", "." }
};
SudokuChecker.Run(grid);
}
private bool CheckSquares(char[][] board)
{
for (int startIPoint = 0; startIPoint < 9; startIPoint += 3)
{
for (int startJPoint = 0; startJPoint < 9; startJPoint += 3)
{
var sudokuChecker = new SudokuChecker();
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if (!sudokuChecker.AddChar(board[startIPoint + i][startJPoint + j]))
{
return(false);
}
}
}
}
}
return(true);
}
public void ValidateGridShape_ShouldReturnTrue_IfGridIsValid()
{
var result = new SudokuChecker().ValidateGridShape(validGrid);
Assert.IsTrue(result);
}
public void ValidateGridShape_ShouldReturnFalse_IfTooFewRows()
{
var result = new SudokuChecker().ValidateGridShape(gridTooFewRows);
Assert.IsFalse(result);
}
