public void GivenABoardWithAnOpponentCell_WhenPuttingAnOpponentCellInTheSameCell_NotAllowedMovementExceptionIsThrown()
{
var board = new Board();
var cellCoordinates = new CellCoordinates(0,0);
board.FillCell(cellCoordinates, OPPONENTS_MARK);
board.FillCell(cellCoordinates, OPPONENTS_MARK);
}
public void WhenPuttingAnOpponentCellOutsideTheBoard_NotAllowedMovementExceptionIsThrown()
{
var board = new Board();
var cellCoordinates = new CellCoordinates(4, 4);
board.FillCell(cellCoordinates, OPPONENTS_MARK);
}
public Mark(char cell, CellCoordinates cellCoordinate)
{
Cell = cell;
CellCoordinate = cellCoordinate;
}
private bool AreCoordinatesOutsideTheBoard(CellCoordinates cellCoordinate)
{
return (cellCoordinate.Row >= SIZE || cellCoordinate.Column >= SIZE);
}
private bool IsCellNotEmpty(CellCoordinates cellCoordinate)
{
return !IsCellEmpty(cellCoordinate);
}
public bool IsCenterEmpty()
{
var centerCoordinate = new CellCoordinates(CENTER_ROW, CENTER_COLUMN);
return IsCellOfType(' ', centerCoordinate);
}
public bool IsCellOfType(char mark, CellCoordinates cellCoordinate)
{
return Cells[cellCoordinate.Row * SIZE + cellCoordinate.Column] == mark;
}
public bool IsCellEmpty(CellCoordinates cellCoordinate)
{
return Cells[cellCoordinate.Row * SIZE + cellCoordinate.Column] == EMPTY_CELL;
}
public void FillCenterWithCell(char mark)
{
var centerCoordinate = new CellCoordinates(CENTER_ROW, CENTER_COLUMN);
FillCell(centerCoordinate, mark);
}
public virtual void FillCell(CellCoordinates cellCoordinate, char mark)
{
if (State != TicTacToeBoardState.Playing ||
AreCoordinatesOutsideTheBoard(cellCoordinate) || IsCellNotEmpty(cellCoordinate))
throw new NotAllowedMovementException();
Cells[cellCoordinate.Row * SIZE + cellCoordinate.Column] = mark;
CheckForWinner();
}
