public static void CheckUndo()
{
var moves = 0;
var board = new Board();
var player = Player.X;
var states = new Player[Board.Dimension, Board.Dimension];
// X
ValidGameTests.MakeMove(board, ref player, states, new Point(0, 0), new Point(0, 4));
moves++;
// O
ValidGameTests.MakeMove(board, ref player, states, new Point(4, 2), new Point(0, 2));
moves++;
// X
ValidGameTests.MakeMove(board, ref player, states, new Point(2, 0), new Point(2, 4));
moves++;
// O
ValidGameTests.MakeMove(board, ref player, states, new Point(4, 0), new Point(0, 0));
moves++;
ValidGameTests.UpdateStates(states,
new Point[] { new Point(0, 4), new Point(2, 4) },
new Point[] { new Point(0, 2), new Point(0, 0) });
ValidGameTests.Verify(board, states, Player.None, Player.X, moves);
// Back to O's turn
board.Undo();
ValidGameTests.UpdateStates(states,
new Point[] { new Point(0, 4), new Point(2, 4) },
new Point[] { new Point(0, 2) });
ValidGameTests.Verify(board, states, Player.None, Player.O, --moves);
// Back to O's turn
board.Undo(2);
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4) }, null);
moves -= 2;
ValidGameTests.Verify(board, states, Player.None, Player.O, moves);
// Back to the start.
board.Undo();
ValidGameTests.UpdateStates(states, null, null);
ValidGameTests.Verify(board, states, Player.None, Player.X, --moves);
// This should be quietly ignore.
board.Undo();
ValidGameTests.UpdateStates(states, null, null);
ValidGameTests.Verify(board, states, Player.None, Player.X, 0);
}
public static void PlayValidGame()
{
var moves = 0;
var board = new Board();
var player = Player.X;
var states = new Player[Board.Dimension, Board.Dimension];
// X
ValidGameTests.MakeMove(board, ref player, states, new Point(0, 0), new Point(0, 4));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4) }, null);
ValidGameTests.Verify(board, states, Player.None, Player.O, ++moves);
// O
ValidGameTests.MakeMove(board, ref player, states, new Point(4, 2), new Point(0, 2));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4) }, new Point[] { new Point(0, 2) });
ValidGameTests.Verify(board, states, Player.None, Player.X, ++moves);
// X
ValidGameTests.MakeMove(board, ref player, states, new Point(2, 0), new Point(2, 4));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(2, 4) },
new Point[] { new Point(0, 2) });
ValidGameTests.Verify(board, states, Player.None, Player.O, ++moves);
// O
ValidGameTests.MakeMove(board, ref player, states, new Point(4, 0), new Point(0, 0));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(2, 4) },
new Point[] { new Point(0, 2), new Point(0, 0) });
ValidGameTests.Verify(board, states, Player.None, Player.X, ++moves);
// X
ValidGameTests.MakeMove(board, ref player, states, new Point(4, 4), new Point(0, 4));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(1, 4), new Point(3, 4) },
new Point[] { new Point(0, 2), new Point(0, 0) });
ValidGameTests.Verify(board, states, Player.None, Player.O, ++moves);
// 0
ValidGameTests.MakeMove(board, ref player, states, new Point(0, 2), new Point(4, 2));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(1, 4), new Point(3, 4) },
new Point[] { new Point(4, 2), new Point(0, 0) });
ValidGameTests.Verify(board, states, Player.None, Player.X, ++moves);
// X
ValidGameTests.MakeMove(board, ref player, states, new Point(3, 0), new Point(3, 4));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(1, 4), new Point(3, 4), new Point(3, 3) },
new Point[] { new Point(4, 2), new Point(0, 0) });
ValidGameTests.Verify(board, states, Player.None, Player.O, ++moves);
// O
ValidGameTests.MakeMove(board, ref player, states, new Point(4, 3), new Point(0, 3));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(1, 4), new Point(3, 4), new Point(4, 3) },
new Point[] { new Point(0, 3), new Point(4, 2), new Point(0, 0) });
ValidGameTests.Verify(board, states, Player.None, Player.X, ++moves);
// X
ValidGameTests.MakeMove(board, ref player, states, new Point(4, 4), new Point(4, 0));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(1, 4), new Point(3, 4), new Point(4, 4), new Point(4, 0) },
new Point[] { new Point(0, 3), new Point(4, 3), new Point(0, 0) });
ValidGameTests.Verify(board, states, Player.None, Player.O, ++moves);
// O
ValidGameTests.MakeMove(board, ref player, states, new Point(4, 2), new Point(4, 0));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(1, 4), new Point(3, 4), new Point(4, 4), new Point(4, 1) },
new Point[] { new Point(0, 3), new Point(4, 3), new Point(0, 0), new Point(4, 0) });
ValidGameTests.Verify(board, states, Player.None, Player.X, ++moves);
// X
ValidGameTests.MakeMove(board, ref player, states, new Point(2, 4), new Point(0, 4));
ValidGameTests.UpdateStates(states, new Point[] { new Point(0, 4), new Point(1, 4), new Point(2, 4), new Point(3, 4), new Point(4, 4), new Point(4, 1) },
new Point[] { new Point(0, 3), new Point(4, 3), new Point(0, 0), new Point(4, 0) });
ValidGameTests.Verify(board, states, Player.X, Player.None, ++moves);
}