public void Machine_turn_machine_is_winner_depth_0___10()
{
var sut = new AlphaBetaPruningEngine();
int actual = sut.GetScoreForWinner(Winner.Machine, true, 0);
Assert.AreEqual(10, actual);
}
public void User_turn_user_is_winner_depth_2___8()
{
var sut = new AlphaBetaPruningEngine();
int actual = sut.GetScoreForWinner(Winner.User, false, 2);
Assert.AreEqual(8, actual);
}
public static void GetEvaluationValueForInProgressGameAboutToBeLost()
{
var board = new Board();
var engine = new AlphaBetaPruningEngine(TestContext.CurrentContext.WorkDirectory);
var nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
// The problem is that ABP was doing 0,3 to 4,3 in 0.2.0.0, which causes a loss.
Assert.IsFalse((nextMove.Source == new Point(0, 3) && nextMove.Destination == new Point(4, 3)), "The next move is invalid.");
}
public void NextMoveShouldNotCauseCrash()
{
Board board = null;
using (FileStream stream = new FileStream("ComputerAsOWillCrashOnNextMove.quixo", FileMode.Open))
{
IFormatter formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
// The next move causes a crash!
AlphaBetaPruningEngine engine = new AlphaBetaPruningEngine();
Move nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
board.MovePiece(nextMove.Source, nextMove.Destination);
}
public static void CheckBadMove0201()
{
Board board = null;
using (var stream = new FileStream(
Path.Combine(TestContext.CurrentContext.WorkDirectory, "BadMove0.2.0.1.quixo"), FileMode.Open))
{
var formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
board.Undo(2);
var engine = new AlphaBetaPruningEngine(TestContext.CurrentContext.WorkDirectory);
var nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
Assert.IsFalse((nextMove.Source == new Point(1, 0) && nextMove.Destination == new Point(0, 0)), "The next move is invalid.");
}
public static void NextMoveShouldNotCauseCrash()
{
Board board = null;
using (var stream = new FileStream(
Path.Combine(TestContext.CurrentContext.WorkDirectory, "ComputerAsOWillCrashOnNextMove.quixo"), FileMode.Open))
{
//TestContext.CurrentContext.TestDirectory
var formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
// The next move causes a crash!
var engine = new AlphaBetaPruningEngine(TestContext.CurrentContext.WorkDirectory);
var nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
board.MovePiece(nextMove.Source, nextMove.Destination);
}
public void CheckMissedWinningMove()
{
Board board = null;
using (FileStream stream = new FileStream("HereEngineMissedWinningMove.quixo", FileMode.Open))
{
IFormatter formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
board.Undo();
// For some reason, 0.2.0.3 doesn't catch that (1, 4) to (1, 0) would win...
AlphaBetaPruningEngine engine = new AlphaBetaPruningEngine();
Move nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
Assert.AreEqual(new Point(1, 4), nextMove.Source, "The source is invalid.");
Assert.AreEqual(new Point(1, 0), nextMove.Destination, "The destination is invalid.");
}
public void CheckDoesNotPreventLoss()
{
Board board = null;
using (FileStream stream = new FileStream("EngineDoesntPreventLoss.quixo", FileMode.Open))
{
IFormatter formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
board.Undo(4);
// At move #23, why doesn't O respond with {0, 1} to {4, 1}?
AlphaBetaPruningEngine engine = new AlphaBetaPruningEngine();
Move nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
Assert.AreEqual(new Point(0, 1), nextMove.Source, "The source is invalid.");
Assert.AreEqual(new Point(4, 1), nextMove.Destination, "The destination is invalid.");
}
public static void CheckBadMove0202()
{
Board board = null;
using (var stream = new FileStream(
Path.Combine(TestContext.CurrentContext.WorkDirectory, "BadMove0.2.0.2.quixo"), FileMode.Open))
{
var formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
board.Undo(2);
// For some reason, 0.2.0.2 thinks that every next move is a losing move... :S
// and I think it's right - it's in a position that every move would lead to a losing move.
var engine = new AlphaBetaPruningEngine(TestContext.CurrentContext.WorkDirectory);
var nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
Assert.IsFalse((nextMove.Source == new Point(2, 0) && nextMove.Destination == new Point(2, 4)), "The next move is invalid.");
}
public static void CheckMissedWinningMove()
{
Board board = null;
using (var stream = new FileStream(
Path.Combine(TestContext.CurrentContext.WorkDirectory, "HereEngineMissedWinningMove.quixo"), FileMode.Open))
{
var formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
board.Undo();
// For some reason, 0.2.0.3 doesn't catch that (1, 4) to (1, 0) would win...
var engine = new AlphaBetaPruningEngine(TestContext.CurrentContext.WorkDirectory);
var nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
Assert.AreEqual(new Point(1, 4), nextMove.Source, "The source is invalid.");
Assert.AreEqual(new Point(1, 0), nextMove.Destination, "The destination is invalid.");
}
public static void CheckDoesNotPreventLoss()
{
Board board = null;
using (var stream = new FileStream(
Path.Combine(TestContext.CurrentContext.WorkDirectory, "EngineDoesntPreventLoss.quixo"), FileMode.Open))
{
var formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
board.Undo(4);
// At move #23, why doesn't O respond with {0, 1} to {4, 1}?
var engine = new AlphaBetaPruningEngine(TestContext.CurrentContext.WorkDirectory);
var nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
Assert.AreEqual(new Point(0, 1), nextMove.Source, "The source is invalid.");
Assert.AreEqual(new Point(4, 1), nextMove.Destination, "The destination is invalid.");
}
public void CheckBadMove0201()
{
Board board = null;
using (FileStream stream = new FileStream("BadMove0.2.0.1.quixo", FileMode.Open))
{
IFormatter formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
board.Undo(2);
AlphaBetaPruningEngine engine = new AlphaBetaPruningEngine();
Move nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
Assert.IsFalse((nextMove.Source == new Point(1, 0) && nextMove.Destination == new Point(0, 0)), "The next move is invalid.");
}
public void CheckBadMove0202()
{
Board board = null;
using (FileStream stream = new FileStream("BadMove0.2.0.2.quixo", FileMode.Open))
{
IFormatter formatter = new BinaryFormatter();
board = (Board)formatter.Deserialize(stream);
}
board.Undo(2);
// For some reason, 0.2.0.2 thinks that every next move is a losing move... :S
// and I think it's right - it's in a position that every move would lead to a losing move.
AlphaBetaPruningEngine engine = new AlphaBetaPruningEngine();
Move nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
Assert.IsFalse((nextMove.Source == new Point(2, 0) && nextMove.Destination == new Point(2, 4)), "The next move is invalid.");
}
public void GetEvaluationValueForInProgressGameAboutToBeLost()
{
Board board = new Board();
AlphaBetaPruningEngine engine = new AlphaBetaPruningEngine();
Move nextMove = engine.GenerateMove(board.Clone() as Board, new ManualResetEvent(false));
// The problem is that ABP was doing 0,3 to 4,3 in 0.2.0.0, which causes a loss.
Assert.IsFalse((nextMove.Source == new Point(0, 3) && nextMove.Destination == new Point(4, 3)), "The next move is invalid.");
}