public void CheckForWinningSquare_WinIsNotPossible_ReturnsNull()
{
Board board = new Board();
board.Squares[2, 2].State = SquareState.X;
List <int[]> availableMoves = GameplayHelper.ListEmptySquares(board.Squares);
var actual = GameplayHelper.CheckForWinningSquare(board.Squares, availableMoves, SquareState.X);
Assert.Null(actual);
}
public void CheckForWinningSquare_WinIsPossible_ReturnsCorrectResult()
{
var expected = new int[] { 0, 1 };
Board board = new Board();
board.Squares[0, 0].State = SquareState.X;
board.Squares[0, 2].State = SquareState.X;
List <int[]> availableMoves = GameplayHelper.ListEmptySquares(board.Squares);
var actual = GameplayHelper.CheckForWinningSquare(board.Squares, availableMoves, SquareState.X);
Assert.Equal(expected, actual);
}
public void ListEmptySquares_AllSquaresFilled_ReturnsEmptyList()
{
var board = new Board();
foreach (var square in board.Squares)
{
square.State = SquareState.O;
}
var actual = GameplayHelper.ListEmptySquares(board.Squares);
Assert.Empty(actual);
}
public void ListEmptySquares_AllSquaresEmpty_ListContainsAllSquares()
{
var board = new Board();
var expected = new List <int[]>
{
new int[] { 0, 0 },
new int[] { 0, 1 },
new int[] { 0, 2 },
new int[] { 1, 0 },
new int[] { 1, 1 },
new int[] { 1, 2 },
new int[] { 2, 0 },
new int[] { 2, 1 },
new int[] { 2, 2 },
};
var actual = GameplayHelper.ListEmptySquares(board.Squares);
Assert.Equal(expected, actual);
}
public void MediumComputerPlayer_NeitherComputerNorHumanCanWin_ComputerMakesMove(int col1, int row1, int col2, int row2, int col3, int row3, int col4, int row4)
{
var board = new Board();
board.Squares[col1, row1].State = SquareState.O;
board.Squares[col2, row2].State = SquareState.O;
board.Squares[col3, row3].State = SquareState.X;
board.Squares[col4, row4].State = SquareState.X;
List <int[]> emptySquaresBeforeMove = GameplayHelper.ListEmptySquares(board.Squares);
Assert.Equal(5, emptySquaresBeforeMove.Count);
var player = new MediumComputerPlayer();
var actual = player.PlayerInput(board.Squares);
List <int[]> emptySquaresAfterMove = GameplayHelper.ListEmptySquares(actual);
Assert.Equal(4, emptySquaresAfterMove.Count);
}
public void ListEmptySquares_SomeSquaresFilled_ListContainsOnlyEmptySquares()
{
var board = new Board();
board.Squares[0, 1].State = SquareState.O;
board.Squares[0, 0].State = SquareState.O;
board.Squares[1, 1].State = SquareState.X;
board.Squares[2, 0].State = SquareState.X;
var expected = new List <int[]>
{
new int[] { 0, 2 },
new int[] { 1, 0 },
new int[] { 1, 2 },
new int[] { 2, 1 },
new int[] { 2, 2 },
};
var actual = GameplayHelper.ListEmptySquares(board.Squares);
Assert.Equal(expected, actual);
}