public void GetBitColumn_ShouldReturnAccurateColumn_GivenFullColumn()
{
var boardColumn = new BoardColumn(0, 0, null, null, null);
boardColumn.SetSpace(DiscColor.Black);
boardColumn.SetSpace(DiscColor.Black);
boardColumn.SetSpace(DiscColor.Black);
boardColumn.SetSpace(DiscColor.Red);
boardColumn.SetSpace(DiscColor.Red);
boardColumn.SetSpace(DiscColor.Red);
var bitColumn = boardColumn.GetBitColumn();
Assert.IsTrue(BitBoardHelpers.CheckSingleBit(bitColumn.BlackDiscs, 0));
Assert.IsTrue(BitBoardHelpers.CheckSingleBit(bitColumn.BlackDiscs, 1));
Assert.IsTrue(BitBoardHelpers.CheckSingleBit(bitColumn.BlackDiscs, 2));
Assert.IsFalse(BitBoardHelpers.CheckSingleBit(bitColumn.BlackDiscs, 3));
Assert.IsFalse(BitBoardHelpers.CheckSingleBit(bitColumn.BlackDiscs, 4));
Assert.IsFalse(BitBoardHelpers.CheckSingleBit(bitColumn.BlackDiscs, 5));
Assert.IsFalse(BitBoardHelpers.CheckSingleBit(bitColumn.RedDiscs, 0));
Assert.IsFalse(BitBoardHelpers.CheckSingleBit(bitColumn.RedDiscs, 1));
Assert.IsFalse(BitBoardHelpers.CheckSingleBit(bitColumn.RedDiscs, 2));
Assert.IsTrue(BitBoardHelpers.CheckSingleBit(bitColumn.RedDiscs, 3));
Assert.IsTrue(BitBoardHelpers.CheckSingleBit(bitColumn.RedDiscs, 4));
Assert.IsTrue(BitBoardHelpers.CheckSingleBit(bitColumn.RedDiscs, 5));
}
public void CheckVictory_ShouldReturnNone_GivenNonWinningThirdRowHorizontals(
int blackOne, int blackTwo,
int redOne, int redTwo)
{
var board = BitBoardHelpers.GetNewBoard();
// Fill first row with non winners
board = BitBoardHelpers.BitBoardMove(in board, 0, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, 1, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, 2, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, 3, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, 4, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, 5, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, 6, DiscColor.Black);
// Fill second row with non winners
board = BitBoardHelpers.BitBoardMove(in board, 0, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, 1, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, 2, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, 3, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, 4, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, 5, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, 6, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, blackOne, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, blackTwo, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, redOne, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, redTwo, DiscColor.Red);
var winner = BitBoardHelpers.CheckVictory(in board);
Assert.AreEqual(DiscColor.None, winner);
}
public void PossibleFallingDiagonals_ShouldReturnZero_GivenEmptyBoard()
{
var board = BitBoardHelpers.GetNewBoard();
Assert.AreEqual(0.0m, BitBoardHelpers.ScorePossibleFallingDiagonals(board, DiscColor.Red));
Assert.AreEqual(0.0m, BitBoardHelpers.ScorePossibleFallingDiagonals(board, DiscColor.Black));
}
public void GetNewBoard_ShouldReturnBoardWithAllOpenColumns()
{
var board = BitBoardHelpers.GetNewBoard();
Assert.IsTrue(BitBoardHelpers.IsColumnOpen(board, 0));
Assert.IsTrue(BitBoardHelpers.IsColumnOpen(board, 1));
Assert.IsTrue(BitBoardHelpers.IsColumnOpen(board, 2));
Assert.IsTrue(BitBoardHelpers.IsColumnOpen(board, 3));
Assert.IsTrue(BitBoardHelpers.IsColumnOpen(board, 4));
Assert.IsTrue(BitBoardHelpers.IsColumnOpen(board, 5));
Assert.IsTrue(BitBoardHelpers.IsColumnOpen(board, 6));
}
public void BitBoardMove_ShouldReturnOpenColumn_GivenFiveMovesInSameColumn(int column)
{
var board = BitBoardHelpers.GetNewBoard();
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Red);
Assert.IsTrue(BitBoardHelpers.IsColumnOpen(board, column));
}
public void CheckVictory_ShouldReturnNone_GivenThreeBlackMovesInColumn(int column)
{
var board = BitBoardHelpers.GetNewBoard();
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Black);
var winner = BitBoardHelpers.CheckVictory(board);
Assert.AreEqual(DiscColor.None, winner);
}
public void CheckVictory_ShouldReturnBlack_GivenBlackWinningColumn(int column)
{
var board = BitBoardHelpers.GetNewBoard();
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, column, DiscColor.Black);
var winner = BitBoardHelpers.CheckVictory(board);
Assert.AreEqual(DiscColor.Black, winner);
}
public void CheckVictory_ShouldReturnNone_GivenNonWinningFirstRowHorizontals(
int blackOne, int blackTwo,
int redOne, int redTwo)
{
var board = BitBoardHelpers.GetNewBoard();
board = BitBoardHelpers.BitBoardMove(in board, blackOne, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, blackTwo, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, redOne, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, redTwo, DiscColor.Red);
var winner = BitBoardHelpers.CheckVictory(in board);
Assert.AreEqual(DiscColor.None, winner);
}
public void CheckVictory_ShouldReturnNone_GivenThreeBlackMovesInRow(
int firstColumn,
int secondColumn,
int thirdColumn)
{
var board = BitBoardHelpers.GetNewBoard();
board = BitBoardHelpers.BitBoardMove(in board, firstColumn, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, secondColumn, DiscColor.Black);
board = BitBoardHelpers.BitBoardMove(in board, thirdColumn, DiscColor.Black);
var winner = BitBoardHelpers.CheckVictory(board);
Assert.AreEqual(DiscColor.None, winner);
}
public void CheckVictory_ShouldReturnRed_GivenFourRedMovesInRow(
int firstColumn,
int secondColumn,
int thirdColumn,
int fourthColumn)
{
var board = BitBoardHelpers.GetNewBoard();
board = BitBoardHelpers.BitBoardMove(in board, firstColumn, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, secondColumn, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, thirdColumn, DiscColor.Red);
board = BitBoardHelpers.BitBoardMove(in board, fourthColumn, DiscColor.Red);
var winner = BitBoardHelpers.CheckVictory(board);
Assert.AreEqual(DiscColor.Red, winner);
}
