public void RookPosition4()
{
var coords = Square.H1;
string otherFiguresBoard =
"00100001" +
"10001001" +
"00000001" +
"00001010" +
"00000000" +
"10000000" +
"00010000" +
"10100000";
string resultBoard =
"00000000" +
"00000000" +
"00000001" +
"00000001" +
"00000001" +
"00000001" +
"00000001" +
"00111110";
ulong otherFigures = BitBoardHelper.FromString(otherFiguresBoard);
ulong result = BitBoardHelper.FromString(resultBoard);
Assert.AreEqual(result,
provider.GetAttacks(coords, otherFigures));
}
public void FromStringComplexTest()
{
int count = 100;
var rand = new Random(DateTime.Now.Millisecond);
while ((count--) > 0)
{
var board = new BitBoard();
var str = new StringBuilder(64);
str.Append('0', 64);
var indices = GetRandomBits(rand.Next(64));
foreach (var point in indices)
{
board.SetBit((Square)(point.Item1 * 8 + point.Item2));
int index = (7 - point.Item1) * 8 + point.Item2;
str[index] = '1';
}
Assert.AreEqual(
board.GetInnerValue(),
BitBoardHelper.FromString(str.ToString()));
}
}
public void TestDoubleUpPush()
{
string boardString =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"10000010" +
"00101000" +
"00000000";
var board = new PawnBitBoard(BitBoardHelper.FromString(boardString));
string moves =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00101000" +
"00000000" +
"00000000" +
"00000000";
ulong movesBoard = BitBoardHelper.FromString(moves);
ulong emptySquares = 0;
emptySquares = ~emptySquares;
var attacks = board.DoubleUpPushTargets(emptySquares);
Assert.AreEqual(movesBoard, attacks);
}
public void TestUpRightAttacks()
{
string boardString =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"10000010" +
"00101000" +
"00000000";
var board = new PawnBitBoard(BitBoardHelper.FromString(boardString));
string moves =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"01000001" +
"00010100" +
"00000000" +
"00000000";
ulong movesBoard = BitBoardHelper.FromString(moves);
ulong emptySquares = 0;
emptySquares = ~emptySquares;
var attacks = board.NorthEastAttacks();
Assert.AreEqual(movesBoard, attacks);
}
public void AttacksTest3()
{
string boardString =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000";
ulong board = BitBoardHelper.FromString(boardString);
var coords = Square.C4;
string moves =
"00100010" +
"00100100" +
"10101000" +
"01110000" +
"11011111" +
"01110000" +
"10101000" +
"00100100";
ulong movesBoard = BitBoardHelper.FromString(moves);
var attacks = provider.GetAttacks(coords, board);
Assert.AreEqual(movesBoard, attacks);
}
public void TestDoubleUpPushes()
{
string boardString =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"01011100" +
"00000000" +
"00000000" +
"00000000";
// abcdefgh
int rankIndex = 3;
ulong board = BitBoardHelper.FromString(boardString);
byte rank = (byte)(board >> (rankIndex * 8) & 0xff);
var realMoves = new Move[] {
new Move(Square.B2, Square.B4),
new Move(Square.D2, Square.D4),
new Move(Square.E2, Square.E4),
new Move(Square.F2, Square.F4)
};
var moves = PawnBitBoardHelper.DoublePushes[0][rankIndex][rank];
Assert.IsTrue(this.AreMovesEqual(realMoves, moves));
}
public void TestSingleDownPushes1()
{
string boardString =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"01011100" +
"00000000" +
"00000000";
// abcdefgh
int rankIndex = 2;
ulong board = BitBoardHelper.FromString(boardString);
byte rank = (byte)(board >> (rankIndex * 8) & 0xff);
var realMoves = new Move[] {
new Move(Square.B4, Square.B3),
new Move(Square.D4, Square.D3),
new Move(Square.E4, Square.E3),
new Move(Square.F4, Square.F3)
};
var moves = PawnBitBoardHelper.QuietMoves[1][rankIndex][rank];
Assert.IsTrue(this.AreMovesEqual(realMoves, moves));
}
public void TestDiagonalMoves4()
{
string boardString =
"00000000" +
"00001000" +
"00000001" +
"00010010" +
"10100100" +
"00000001" +
"00011000" +
"10100011";
ulong board = BitBoardHelper.FromString(boardString);
var coords = Square.E3;
string moves =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000100" +
"00000000" +
"00010000" +
"00000000";
ulong movesBoard = BitBoardHelper.FromString(moves);
var diagonalAttacks = provider.DiagonalAttacks(coords, board);
Assert.AreEqual(movesBoard, diagonalAttacks);
}
public void TestAntiDiagonalMoves3()
{
string boardString =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000";
ulong board = BitBoardHelper.FromString(boardString);
var coords = Square.H8;
string moves =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000";
ulong movesBoard = BitBoardHelper.FromString(moves);
var antiDiagonalAttacks = provider.AntiDiagonalAttacks(coords, board);
Assert.AreEqual(movesBoard, antiDiagonalAttacks);
}
public void TestSingleUpLeftAttacks1()
{
string boardString =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"01011100" +
"00000000" +
"00000000";
// abcdefgh
int rankIndex = 2;
ulong board = BitBoardHelper.FromString(boardString);
byte rank = (byte)(board >> (rankIndex * 8) & 0xff);
var realMoves = new Move[] {
new Move(Square.C2, Square.B3),
new Move(Square.E2, Square.D3),
new Move(Square.F2, Square.E3),
new Move(Square.G2, Square.F3)
};
var moves = PawnBitBoardHelper.AttacksLeftMoves[0][rankIndex][rank];
Assert.IsTrue(this.AreMovesEqual(realMoves, moves));
}
public void TestReverseUlong()
{
int count = 10000;
while ((count--) > 0)
{
string str = Get64CharsString();
ulong board = BitBoardHelper.FromString(str);
ulong reversed = Int64Helper.GetReversedUlong(board);
ulong rereversed = Int64Helper.GetReversedUlong(reversed);
Assert.AreEqual(str.MyReverse(), BitBoardHelper.ToString(reversed, string.Empty).LJust(64, '0'));
Assert.AreEqual(board, rereversed);
}
}
public void KnightTest5()
{
string knightAttacksBoard =
"00000000" +
"00000101" +
"00001000" +
"00000000" +
"00001000" +
"00000101" +
"00000000" +
"00000000";
ulong attacks = BitBoardHelper.FromString(knightAttacksBoard);
Assert.AreEqual(attacks, provider.GetAttacks(Square.G5, 0));
}
public void TestFileToRank3()
{
string boardString =
"10000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000";
byte b = Convert.ToByte("00000001", 2);
ulong board = BitBoardHelper.FromString(boardString);
Assert.AreEqual(b, BitBoardHelper.GetRankFromAFile(board));
}
public void FromStringTest()
{
string boardString =
"00000000" +
"00101110" +
"00001000" +
"00010000" +
"00010000" +
"01000000" +
"00100010" +
"00100010";
var board = BitBoardHelper.FromString(boardString);
var newString = BitBoardHelper.ToString(board, string.Empty);
Assert.AreEqual(boardString, newString);
}
public void TestSingleDownPushes2()
{
string boardString =
"01000001" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000";
// abcdefgh
int rankIndex = 7;
ulong board = BitBoardHelper.FromString(boardString);
byte rank = (byte)(board >> (rankIndex * 8) & 0xff);
var moves = PawnBitBoardHelper.QuietMoves[1][rankIndex][rank];
Assert.IsTrue(moves.Length == 0);
}
public void TestSingleUpRightAttacks2()
{
string boardString =
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"10000000";
// abcdefgh
int rankIndex = 0;
ulong board = BitBoardHelper.FromString(boardString);
byte rank = (byte)(board >> (rankIndex * 8) & 0xff);
var moves = PawnBitBoardHelper.AttacksRightMoves[0][rankIndex][rank];
Assert.IsTrue(moves.Length == 0);
}
public void TestDiagonalMoves1()
{
var boardString = BitBoardHelper.GetEmptyBoardString();
ulong board = BitBoardHelper.FromString(boardString);
var coords = Square.A1;
string moves =
"00000001" +
"00000010" +
"00000100" +
"00001000" +
"00010000" +
"00100000" +
"01000000" +
"00000000";
ulong movesBoard = BitBoardHelper.FromString(moves);
var diagonalAttacks = provider.DiagonalAttacks(coords, board);
Assert.AreEqual(movesBoard, diagonalAttacks);
}
public void ClearPosition3()
{
var coords = Square.H3;
string otherFiguresBoard = BitBoardHelper.GetEmptyBoardString();
string resultBoard =
"00000001" +
"00000001" +
"00000001" +
"00000001" +
"00000001" +
"11111110" +
"00000001" +
"00000001";
ulong otherFigures = BitBoardHelper.FromString(otherFiguresBoard);
ulong result = BitBoardHelper.FromString(resultBoard);
Assert.AreEqual(result,
provider.GetAttacks(coords, otherFigures));
}
public void TestSingleUpPushes2()
{
string boardString =
"01000001" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000" +
"00000000";
// abcdefgh
int rankIndex = 7;
ulong board = BitBoardHelper.FromString(boardString);
byte rank = (byte)(board >> (rankIndex * 8) & 0xff);
var realMoves = new Move[] {
new Move(Square.B7, Square.B8),
new Move(Square.H7, Square.H8)
};
var moves = PawnBitBoardHelper.QuietMoves[0][rankIndex][rank];
Assert.IsTrue(this.AreMovesEqual(realMoves, moves));
}
