public void GetMoves_SingleJumpAndMakeKingSequence()
{
var board = new SquareBoard(3);
board.Set(Figure.CreateSimple(2, 2, Side.Black));
board.Set(Figure.CreateSimple(1, 1, Side.Red));
testOutput.WriteLine(board.ToString());
var subject = GetSubject();
var moves = subject.GetMoves(board, Side.Black);
var move = moves[Figure.CreateSimple(2, 2, Side.Black)].Single();
var expectedSequence = new MoveSequence(MoveStep.Jump(0, 0), MoveStep.King());
Assert.Equal(expectedSequence, move);
}
public void GetMoves_PresetBoard_SimpleShouldStopWhenPromoted()
{
var board = Board6x6Preset1();
testOutput.WriteLine(board.ToString());
var subject = GetSubject();
var moves = subject.GetMoves(board, Side.Black);
var simpleMoves = moves[Figure.CreateSimple(4, 6, Side.Black)];
var jumpUntilPromotedToKing = new MoveSequence(
MoveStep.Jump(2, 4),
MoveStep.Jump(0, 2),
MoveStep.King());
Assert.Contains(jumpUntilPromotedToKing, simpleMoves);
}
public void GetMoves_PresetBoard_KingCanJumpBack()
{
var board = Board6x6Preset1();
testOutput.WriteLine(board.ToString());
var subject = GetSubject();
var moves = subject.GetMoves(board, Side.Black);
var kingMoves = moves[Figure.CreateKing(2, 0, Side.Black)];
var expectedKingSequence = new MoveSequence(
MoveStep.Jump(0, 2),
MoveStep.Jump(2, 4),
MoveStep.Jump(0, 6));
Assert.Equal(expectedKingSequence, kingMoves.Single());
}
public void GetMoves_SingleJumpMoveForward()
{
var figure = Figure.CreateSimple(3, 3, Side.Black);
var board = new SquareBoard(4);
board.Set(figure);
board.Set(Figure.CreateSimple(2, 2, Side.Red));
testOutput.WriteLine(board.ToString());
var subject = GetSubject();
var moves = subject.GetMoves(board, Side.Black);
var figureMoves = Assert.Contains(figure, moves);
var move = Assert.Single(figureMoves);
var step = Assert.Single(move);
Assert.Equal(MoveStep.Jump(Point.At(1, 1)), step);
}
public void FindBestMove_ChooseToStrikeKing()
{
/* 0 1 2 3 4
* 0 . . . . .
* 1 . r . R . Simple and King
* 2 . . . . .
* 3 . r . . .
* 4 b . . . . */
var board = new SquareBoard(5);
board.Set(Figure.CreateSimple(1, 1, Side.Red));
board.Set(Figure.CreateKing(1, 3, Side.Red));
board.Set(Figure.CreateSimple(3, 1, Side.Red));
board.Set(Figure.CreateSimple(4, 0, Side.Black));
var subject = GetSubject();
var move = subject.FindBestMove(board, Side.Black, CancellationToken.None, Options(maxDepth: 2));
Assert.Equal(Figure.CreateSimple(4, 0, Side.Black), move.Figure);
Assert.Equal(new MoveSequence(MoveStep.Jump(2, 2), MoveStep.Jump(0, 4), MoveStep.King()), move.Sequence);
}
public void FindBestMove_SingleMoveExists_FastPathWithNoEvaluation()
{
/* 0 1 2 3 4
* 0 . . . . .
* 1 . R . . .
* 2 . . B . B
* 3 . . . . .
* 4 . . . . . */
var board = new SquareBoard(5);
board.Set(Figure.CreateKing(2, 2, Side.Black));
board.Set(Figure.CreateKing(2, 4, Side.Black));
board.Set(Figure.CreateKing(1, 1, Side.Red));
var subject = GetSubject();
var options = Options(maxParallel: 2, maxDepth: 3);
var move = subject.FindBestMove(board, Side.Black, CancellationToken.None, options);
Assert.Equal(0, subject.TotalMovesEstimated);
Assert.Equal(Point.At(2, 2), move.Figure.Point);
Assert.Equal(new MoveSequence(MoveStep.Jump(0, 0)), move.Sequence);
}
public void GetMoves_PresetBoard_SimpleHasSeveralJumpBranches()
{
var board = Board6x6Preset1();
testOutput.WriteLine(board.ToString());
var subject = GetSubject();
var moves = subject.GetMoves(board, Side.Black);
var simpleMoves = moves[Figure.CreateSimple(4, 6, Side.Black)];
var expectedSimpleSequence1 = new MoveSequence(
MoveStep.Jump(2, 4),
MoveStep.Jump(0, 2),
MoveStep.King());
var expectedSimpleSequence2 = new MoveSequence(
MoveStep.Jump(2, 4),
MoveStep.Jump(0, 6),
MoveStep.King());
Assert.Collection(simpleMoves,
(x) => Assert.Equal(expectedSimpleSequence1, x),
(x) => Assert.Equal(expectedSimpleSequence2, x));
}