public static void TestInvalidMoveBlackKing_NoAdjacentKings()
{
Piece[][] board = new Piece[8][]
{
new[] { o, o, o, o, o, o, o, o },
new[] { o, o, o, o, o, o, o, o },
new[] { o, o, o, kb, o, kw, o, o },
new[] { o, o, o, o, o, o, o, o },
new[] { o, o, o, o, o, o, o, o },
new[] { o, o, o, o, o, o, o, o },
new[] { o, o, o, o, o, o, o, o },
new[] { o, o, o, o, o, o, o, o }
};
ChessGame cb = new ChessGame(board, Player.Black);
Move move1 = new Move(new Position(File.D, 6), new Position(File.E, 6), Player.Black);
Move move2 = new Move(new Position(File.D, 6), new Position(File.E, 7), Player.Black);
Move move3 = new Move(new Position(File.D, 6), new Position(File.E, 5), Player.Black);
Assert.False(cb.IsValidMove(move1), "move1 should be invalid");
Assert.False(cb.IsValidMove(move2), "move2 should be invalid");
Assert.False(cb.IsValidMove(move3), "move3 should be invalid");
}