private static GameDecision DiagonalWin(Board board, string markChar)
{
if (board.RetrieveMarkForPosition(1) == markChar && board.RetrieveMarkForPosition(5) == markChar && board.RetrieveMarkForPosition(9) == markChar ||
board.RetrieveMarkForPosition(3) == markChar && board.RetrieveMarkForPosition(5) == markChar && board.RetrieveMarkForPosition(7) == markChar
)
{
return GameDecision.Win;
}
return GameDecision.PlayOn;
}
private static GameDecision TieCase(Board board, string markChar)
{
for (int i = 1; i < board.grid.Length; i++)
{
if (board.grid[i] == i.ToString())
{
return GameDecision.PlayOn;
}
}
return GameDecision.Tie;
}
public void PlayGame()
{
_board = new Board();
_board.SetupGrid();
GetUserNames();
ChooseFirstPlayer();
PlayerTurnKeeper();
DrawBoard();
GetUserInput();
EndofGame();
}
public static GameDecision EvaluateBoard(Board board, string markChar)
{
//Win
if (HorizontalWin(board, markChar) == GameDecision.Win || VerticalWin(board, markChar) == GameDecision.Win ||
DiagonalWin(board, markChar) == GameDecision.Win)
{
return GameDecision.Win;
}
if (TieCase(board, markChar) == GameDecision.Tie)
{
return GameDecision.Tie;
}
return GameDecision.PlayOn;
}
public void AssertMarkPlacementInvalid()
{
Board board = new Board();
var status = board.PlaceMark(10, "X");
Assert.AreEqual(status, BoardPlacementResult.Invalid);
}
public void AssertMarkPlacement( )
{
Board board = new Board();
var status = board.PlaceMark(3, "X");
Assert.AreEqual(status, BoardPlacementResult.OK);
}