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+10 −6
Original line number Diff line number Diff line
@@ -2,16 +2,20 @@

## Description du projet 

Le [jeu de la vie](https://fr.wikipedia.org/wiki/Jeu_de_la_vie) n’est pas vraiment un jeu, puisqu'il ne nécessite aucun joueur.
Le [jeu de la vie](https://fr.wikipedia.org/wiki/Jeu_de_la_vie) est une implémentation d'un 
modèle de calcul : les automates cellulaires.

Le jeu se déroule sur une grille à deux dimensions dont les cases qu’on appelle des cellules peuvent prendre deux états distincts : vivantes ou mortes.
Le modèle se présente sous la forme d'une grille à deux dimensions dont les cases, qu’on 
appelle des cellules, peuvent prendre deux états distincts : vivantes ou mortes.

À chaque étape, l’évolution d’une cellule est entièrement déterminée par l’état de ses huit voisines de la façon suivante :
À chaque étape, de calcul, l'état de chaque cellule est recalculé. Le nouvel état d'une cellule 
est entièrement déterminée par l’état de ses huit voisines de la façon suivante :

- Une cellule morte possédant exactement trois voisines vivantes devient vivante (elle naît).
- Une cellule vivante possédant deux ou trois voisines vivantes le reste, sinon elle meurt.
- Une cellule morte possédant exactement trois voisines vivantes devient vivante.
- Une cellule vivante possédant deux ou trois voisines vivantes le reste, sinon elle devient morte.

Le but de ce TP est de compléter le code fourni par le dépôt afin d'obtenir un simulateur de jeu de la vie.
Le but de ce TP est de compléter le programme fourni par le dépôt afin d'obtenir un simulateur de 
jeu de la vie.

## Membre du projet

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Original line number Diff line number Diff line
@@ -4,7 +4,7 @@ plugins {
}

javafx {
    version = "20"
    version = "22"
    modules = [ 'javafx.controls', 'javafx.fxml' ]
}

@@ -23,5 +23,5 @@ test {
}

application {
    mainClassName = "GameOfLifeApplication"
    mainClassName = "SimulatorApplication"
}
 No newline at end of file
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
Original line number Diff line number Diff line
import controller.Controller;
import controller.Simulation;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
import model.GameOfLife;
import model.Grid;
import model.CellularAutomatonSimulation;
import model.automata.GameOfLifeAutomaton;

import java.io.IOException;
import java.net.URL;

import static java.util.Objects.requireNonNull;
import java.util.Random;

/**
 * Entry point for <i>The Game of Life</i> application.
 *
 */
public class GameOfLifeApplication extends Application {
public class SimulatorApplication extends Application {

  public static final int NUMBER_OF_ROWS = 40;
  public static final int NUMBER_OF_COLUMNS = 70;

  private static final int NUMBER_OF_ROWS = 40;
  private static final int NUMBER_OF_COLUMNS = 70;
  public static final Random GENERATOR = new Random();

  private static final String APP_NAME = "Game of Life";
  private static final String APP_NAME = "2D Cellular automata";
  private static final String VIEW_RESOURCE_PATH = "/view/view.fxml";

  private final GameOfLife gameOfLife;
  private final Simulation simulation;
  private Stage primaryStage;
  private Parent view;

  /**
   * Creates a new {@code GameOfLifeApplication} instance.
   */
  public GameOfLifeApplication() {
    this(new GameOfLife(new Grid(NUMBER_OF_ROWS, NUMBER_OF_COLUMNS)));
  public SimulatorApplication() {
    this.simulation =
      new CellularAutomatonSimulation<>(
              new GameOfLifeAutomaton(NUMBER_OF_COLUMNS,NUMBER_OF_ROWS),
              GENERATOR
      );
  }

  /**
   * Creates a new {@code GameOfLifeApplication} instance given a {@link GameOfLife} instance.
   *
   * @param gameOfLife the {@link GameOfLife} instance
   * @throws NullPointerException if {@code gameOfLife} is {@code null}
   */
  private GameOfLifeApplication(GameOfLife gameOfLife) {
    this.gameOfLife = requireNonNull(gameOfLife, "game of life is null");
  }

  @Override
  public void start(Stage primaryStage) throws IOException {
@@ -63,11 +60,11 @@ public class GameOfLifeApplication extends Application {

  private void initializeView() throws IOException {
    FXMLLoader loader = new FXMLLoader();
    URL location = GameOfLifeApplication.class.getResource(VIEW_RESOURCE_PATH);
    URL location = SimulatorApplication.class.getResource(VIEW_RESOURCE_PATH);
    loader.setLocation(location);
    view = loader.load();
    Controller controller = loader.getController();
    controller.setGameOfLife(gameOfLife);
    controller.setSimulation(simulation);
  }


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package controller;

import matrix.Coordinate;
import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXML;
import javafx.scene.control.Label;
import javafx.scene.control.ToggleButton;
import javafx.scene.control.ToggleGroup;
import model.GameOfLife;
import model.Grid;
import javafx.util.Duration;
import view.MatrixPane;

import static java.util.Objects.requireNonNull;
@@ -15,6 +20,7 @@ import static java.util.Objects.requireNonNull;
 */
public class Controller {

    public static final int PERIOD_IN_MILLISECONDS = 100;
    @FXML
    private ToggleButton playToggleButton;
    @FXML
@@ -23,12 +29,18 @@ public class Controller {
    private Label generationNumberLabel;
    @FXML
    private MatrixPane matrixPane;
    private Timeline timeline;

    private GameOfLife gameOfLife;
    public Simulation getSimulation() {
        return simulation;
    }

    private Simulation simulation;

    @FXML
    private void initialize() {
        initializePlayAndPauseToggleButtons();
        updateTimeline();
    }

    private void initializePlayAndPauseToggleButtons() {
@@ -38,47 +50,77 @@ public class Controller {
    }


    /**
     * Sets {@link GameOfLife} instance.
     *
     * @param gameOfLife {@link GameOfLife} instance
     * @throws NullPointerException if {@code gameOfLife} is {@code null}
     */

    public void setGameOfLife(GameOfLife gameOfLife) {
        this.gameOfLife = requireNonNull(gameOfLife, "game of life is null");
    public void setSimulation(Simulation simulation) {
        this.simulation = requireNonNull(simulation, "game of life is null");
        setGenerationNumberLabelTextProperty();
        initializeMatrixPane();
    }

    private void setGenerationNumberLabelTextProperty() {
        generationNumberLabel.textProperty().bind(gameOfLife.generationNumberProperty().asString());
        updateGenerationNumber(0);
        this.simulation.setGenerationNumberChangeListener(
                (oldValue, newValue) -> updateGenerationNumber(newValue)
        );
    }

    private void updateGenerationNumber(int newValue) {
        generationNumberLabel.textProperty().set(String.valueOf(newValue));
    }

    private void initializeMatrixPane() {
        Grid grid = gameOfLife.getGrid();
        matrixPane.initialize(grid);
        matrixPane.initialize(this);
    }

    @FXML
    private void playToggleButtonAction() {
        gameOfLife.play();
        this.play();
    }

    @FXML
    private void pauseToggleButtonAction() {
        gameOfLife.pause();
        this.pause();
    }

    @FXML
    private void resetButtonAction() {
        gameOfLife.reset();
        this.pause();
        simulation.reset();
        pauseToggleButton.setSelected(true);
    }

    @FXML
    private void clearButtonAction() {
        gameOfLife.clear();
        this.pause();
        simulation.clear();
        pauseToggleButton.setSelected(true);
    }



    public Iterable<Coordinate> coordinates() {
        return simulation;
    }

    private void updateTimeline() {
        Duration duration = new Duration(Controller.PERIOD_IN_MILLISECONDS);
        EventHandler<ActionEvent> eventHandler =
                event -> simulation.updateToNextGeneration();
        KeyFrame keyFrame = new KeyFrame(duration, eventHandler);
        timeline = new Timeline(keyFrame);
        timeline.setCycleCount(Animation.INDEFINITE);
    }

    /**
     * Plays the game.
     */
    public void play() {
        timeline.play();
    }

    /**
     * Pauses the game.
     */
    public void pause() {
        timeline.pause();
    }
}
Original line number Diff line number Diff line
package controller;

import matrix.Coordinate;
import javafx.scene.paint.Color;
import model.OnChangeListener;

/**
 * Represents a simulation of a 2D cellular automaton, such as the Game of Life.
 * Provides methods for updating the simulation, retrieving information, and managing listeners.
 */
public interface Simulation extends Iterable<Coordinate> {

    /**
     * Returns the number of columns in the simulation grid.
     *
     * @return The number of columns in the grid.
     */
    int numberOfColumns();

    /**
     * Returns the number of rows in the simulation grid.
     *
     * @return The number of rows in the grid.
     */
    int numberOfRows();


    /**
     * Updates the simulation to the next generation. This is done by computing, for each
     * coordinate, a new state that depends on the states of its neighbours.
     */
    void updateToNextGeneration();

    /**
     * Changes the state at a given {@link Coordinate}. This is used to edit the grid with the mouse. It
     * is not part of the simulation of the cellular automaton.
     *
     * @param coordinate The {@link Coordinate} to advance to the next state.
     */
    void next(Coordinate coordinate);

    /**
     * Copies the state from the source {@link Coordinate} to the destination {@link Coordinate}.
     *
     * @param source      The source {@link Coordinate}.
     * @param destination The destination {@link Coordinate}.
     */
    void copy(Coordinate source, Coordinate destination);

    /**
     * Gets the {@link Color} associated with the state at the specified {@link Coordinate}.
     *
     * @param coordinate The {@link Coordinate} to retrieve the color for.
     * @return The {@link Color} associated with the state at the specified {@link Coordinate}.
     */
    Color getColor(Coordinate coordinate);

    /**
     * Sets a listener to be executed when the state at the specified {@link Coordinate} changes.
     *
     * @param coordinate The {@link Coordinate} to listen for changes.
     * @param listener   The listener to execute when the state changes.
     */
    void setChangeListener(Coordinate coordinate, Runnable listener);

    /**
     * Sets a listener to be executed when the generation number changes.
     *
     * @param listener The listener to execute when the generation number changes.
     */
    void setGenerationNumberChangeListener(OnChangeListener<Integer> listener);

    /**
     * Resets the simulation to random states.
     */
    void reset();

    /**
     * Clears the simulation, setting all states to their default values.
     */
    void clear();
}
Original line number Diff line number Diff line
package matrix;

public class ConstantMatrixInitializer<T> implements MatrixInitializer<T> {

  // TODO: add instance variables

  public ConstantMatrixInitializer(T constant) {
    // TODO
  }

    @Override
    public T initialValueAt(Coordinate coordinate) {
      // TODO
      return null;
    }
}
+130 −0
Original line number Diff line number Diff line
package matrix;

import java.util.List;

/**
 * Represents a 2D integer coordinate used to specify positions in a grid.
 */
public record Coordinate(int x, int y) {

    /**
     * Creates a new {@link Coordinate} instance with the given {@code x} and {@code y} values.
     *
     * @param x The x-coordinate value.
     * @param y The y-coordinate value.
     * @return A new {@link Coordinate} instance.
     */
    public static Coordinate of(int x, int y) {
        // TODO: compléter ce fabriquant
        return null;
    }

    /**
     * Computes and returns the {@link Coordinate} to the left of this one.
     *
     * @return The left adjacent {@link Coordinate}.
     */
    public Coordinate left() {
        // TODO: à compléter
        return null;
    }

    /**
     * Computes and returns the {@link Coordinate} to the right of this one.
     *
     * @return The right adjacent {@link Coordinate}.
     */
    public Coordinate right() {
        // TODO: à compléter
        return null;
    }

    /**
     * Computes and returns the {@link Coordinate} above this one.
     *
     * @return The above adjacent {@link Coordinate}.
     */
    public Coordinate above() {
        // TODO: à compléter
        return null;
    }

    /**
     * Computes and returns the {@link Coordinate} below this one.
     *
     * @return The below adjacent {@link Coordinate}.
     */
    public Coordinate below() {
        // TODO: à compléter
        return null;
    }

    /**
     * Computes and returns a list of orthogonal (adjacent in horizontal or vertical direction) neighbors.
     *  | | | |
     * ---------
     *  | |X| |
     * ---------
     *  |X|O|X|
     * ---------
     *  | |X| |
     * ---------
     * | | | |
     * @return A list of orthogonal neighboring {@link Coordinate}s.
     */
    public List<Coordinate> orthogonalNeighbours() {
        // TODO: à compléter
        return List.of();
    }

    /**
     * Computes and returns a list of diagonal (adjacent in diagonal direction) neighbors.
     *  | | | |
     * ---------
     *  |X| |X|
     * ---------
     *  | |O| |
     * ---------
     *  |X| |X|
     * ---------
     * | | | |
     *
     * @return A list of diagonal neighboring {@link Coordinate}s.
     */
    public List<Coordinate> diagonalNeighbours() {
        // TODO: à compléter
        return List.of();
    }

    /**
     * Computes and returns a list of all orthogonal and diagonal neighbors.
     *      *  | | | |
     *      * ---------
     *      *  |X|X|X|
     *      * ---------
     *      *  |X|O|X|
     *      * ---------
     *      *  |X|X|X|
     *      * ---------
     *      * | | | |
     *
     * @return A list of all neighboring {@link Coordinate}s.
     */
    public List<Coordinate> orthodiagonalNeighbours() {
        // TODO: à compléter
        return List.of();
    }

    @Override
    public String toString() {
        return "(" + this.x + "," + this.y + ")";
    }

  public Coordinate minus(Coordinate corner) {
    return new Coordinate(this.x - corner.x, this.y - corner.y);
  }

  public Coordinate plus(Coordinate corner) {
      return new Coordinate(this.x + corner.x, this.y + corner.y);
  }
}
 No newline at end of file
Original line number Diff line number Diff line
package matrix;

import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * An {@link Iterator} for generating 2D {@link Coordinate}s within a specified width and
 * height range.
 */
class CoordinateIterator implements Iterator<Coordinate> {

    /**
     * Creates a new {@link CoordinateIterator} with the specified width and height.
     *
     * @param width  The width of the coordinate range.
     * @param height The height of the coordinate range.
     */
    public CoordinateIterator(int width, int height) {
        // TODO: à compléter
    }

    /**
     * Checks if there are more {@link Coordinate}s to iterate over.
     *
     * @return true if there are more {@link Coordinate}s; otherwise, false.
     */
    @Override
    public boolean hasNext() {
        // TODO: à compléter
        return false;
    }

    /**
     * Returns the next {@link Coordinate} in the iteration.
     *
     * @return The next {@link Coordinate} in the iteration.
     * @throws NoSuchElementException if there are no more {@link Coordinate}s to iterate over.
     */
    @Override
    public Coordinate next() {
        // TODO: à compléter
        return null;
    }
}
+63 −0
Original line number Diff line number Diff line
package matrix;

import java.util.List;


/**
 * Represents a matrix, a rectangular array, with generic values in each cell.
 *
 * @param <T> The type of values stored in the matrix cells.
 */
public class ListMatrix<T> implements Matrix<T> {

  private final List<List<T>> matrix;
  private final int width;
  private final int height;

  /**
   * Creates a new {@link ListMatrix} with the specified width, height, and an initializer to set
   * values.
   *
   * @param width       The width of the {@link ListMatrix}.
   * @param height      The height of the {@link ListMatrix}.
   * @param initializer A matrix initializer to set values in the {@link ListMatrix}.
   */
  public ListMatrix(int width, int height, MatrixInitializer<T> initializer) {
    // TODO
    this.width = 0;
    this.height = 0;
    this.matrix = null;
    this.initializeWith(initializer); // fills the matrix using initializer
  }

  public ListMatrix(int width, int height, T constant) {
    this(width, height, new ConstantMatrixInitializer<>(constant));
  }

  private void initializeWith(MatrixInitializer<T> initializer) {
    // TODO initialize each cell of the matrix, with a value determined by initializer
  }

  public int width() {
    // TODO
    return 0;
  }

  public int height() {
    // TODO
    return 0;
  }

  @Override
  public T get(int x, int y) {
    // TODO
    return null;
  }


  @Override
  public void set(int x, int y, T newValue) {
    // TODO
  }

}
+87 −0
Original line number Diff line number Diff line
package matrix;

import java.util.Iterator;

public interface Matrix<T> extends Iterable<T> {

  /**
   * Returns the width of the {@link Matrix}.
   *
   * @return The width of the {@link Matrix}.
   */
  int width();

  /**
   * Returns the height of the {@link Matrix}.
   *
   * @return The height of the {@link Matrix}.
   */
  int height();

  /**
   * Returns the value at the specified coordinates (x, y) in
   * the {@link Matrix}.
   *
   * @param x The x-coordinate.
   * @param y The y-coordinate.
   * @return The content of the matrix at the coordinates (x,y).
   */
  T get(int x, int y);
  /**
   * Returns the value at the specified coordinates (x, y) in
   * the {@link Matrix}.
   *
   * @param coordinate The coordinates (x,y).
   * @return The content of the matrix at the coordinates (x,y).
   */
  default T get(Coordinate coordinate) {
    return this.get(coordinate.x(), coordinate.y());
  }

  /**
   *  Changes the value at the specified coordinates (x,y) in the {@link Matrix}
   *
   * @param x the x-coordinate
   * @param y the y-coordinate
   * @param newValue the value to assign to coordinates (x,y).
   */
  void set(int x, int y, T newValue);

  /**
   *  Changes the value at the specified coordinates (x,y) in the {@link Matrix}
   *
   * @param coordinate The coordinates (x,y)
   * @param newValue the value to assign to coordinates (x,y).
   */
  default void set(Coordinate coordinate, T newValue) {
    this.set(coordinate.x(), coordinate.y(), newValue);
  }

  default Matrix<T> subMatrix(Coordinate corner, int width, int height){
    return null ;
  }


  /**
   * Returns an {@link Iterable} that provides access to the {@link Coordinate}s of the
   * {@link Matrix} in row-major order. This means that a {@code for} loop on a {@link Matrix}
   * will loop over the coordinates of the {@link Matrix}.
   *
   * @return An {@link Iterable} for the {@link Coordinate}s of the {@link Matrix}.
   */
  default Iterable<Coordinate> coordinates() {
    return () -> new CoordinateIterator(this.width(), this.height());
  }

  /**
   * Returns an {@link Iterator} that allows iterating over the elements in the {@link Matrix} in
   * row-major order.
   *
   * @return An {@link Iterator} for the {@link Matrix}.
   */
  default Iterator<T> iterator() {
    Iterator<Coordinate> coords =
      new CoordinateIterator(this.width(),this.height());
    return new MatrixIterator<>(this, coords);
  }
}
Original line number Diff line number Diff line
package matrix;

/**
 * An interface for initializing a {@link ListMatrix} by providing initial values for each cell.
 *
 * @param <T> The type of values to initialize the {@link ListMatrix} with.
 */
public interface MatrixInitializer<T> {

    /**
     * Returns the initial value to be set in a {@link ListMatrix} cell at the specified
     * {@link Coordinate}.
     *
     * @param coordinate The {@link Coordinate} at which to set the initial value.
     * @return The initial value for the specified cell.
     */
    T initialValueAt(Coordinate coordinate);
}
Original line number Diff line number Diff line
package matrix;

import java.util.Iterator;
import java.util.NoSuchElementException;

class MatrixIterator<T> implements Iterator<T> {
    private final Iterator<Coordinate> coordIterator;
    private final Matrix<T> matrix;

    public MatrixIterator(Matrix<T> matrix, Iterator<Coordinate> coordIterator) {
        this.coordIterator = coordIterator;
        this.matrix = matrix;
    }

    @Override
    public boolean hasNext() {
        return coordIterator.hasNext();
    }

    @Override
    public T next() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        return matrix.get(coordIterator.next());
    }
}
Original line number Diff line number Diff line
package model;

import javafx.beans.property.Property;
import javafx.beans.property.SimpleObjectProperty;
import java.util.ArrayList;
import java.util.List;

/**
 * {@link Cell} instances represent the cells of <i>The Game of Life</i>.
 */

public class Cell {
    private final Property<CellState> stateProperty = new SimpleObjectProperty<>(CellState.DEAD);

/**
     * Determines whether this {@link Cell} is alive or not.
 * A class representing a cell that holds a value and allows adding listeners to track value changes.
 *
     * @return {@code true} if this {@link Cell} is alive and {@code false} otherwise
 * @param <T> The type of value stored in the cell.
 */
public class Cell<T> implements Lens<T> {

    public boolean isAlive() {
        return getState().isAlive;
    }
    //TODO: ajouter la ou les propriétés nécessaires

    /**
     * Sets the state of this {@link Cell}.
    // la liste des objets écoutant les modifications du contenu de la cellule
    private final List<OnChangeListener<T>> listeners = new ArrayList<>();

    /** Initialize a new cell with a given value.
     *
     * @param cellState the new state of this {@link Cell}
     * @param initialContent the value initially stored by the cell.
     */

    public void setState(CellState cellState) {
        getStateProperty().setValue(cellState);
    public Cell(T initialContent) {
        //TODO: à compléter
    }

    /**
     * Returns the current state of this {@link Cell}.
    /** Add a {@link OnChangeListener} to react to any change of value in the cell.
     *
     * @return the current state of this {@link Cell}
     * @param listener the {@link OnChangeListener} to activate when the value in the cell is
     *                 changed.
     */

    public CellState getState(){
        return getStateProperty().getValue();
    public void addOnChangeListener(OnChangeListener<T> listener) {
        this.listeners.add(listener);
    }

    /**
     * Change the state of this {@link Cell} from ALIVE to DEAD or from DEAD to ALIVE.
     * Sets the content of this {@link Cell}. This will also call all the listeners that were
     * registered by the method {@code addOnChangeListener}.
     *
     * @param value the new content of this {@link Cell}
     */

    public void toggleState() {
        CellState[] possibleStates = CellState.values();
        int stateOrdinal = getState().ordinal();
        int numberOfPossibleStates = possibleStates.length;
        setState(possibleStates[(stateOrdinal+1)%numberOfPossibleStates]);
    public void set(T value) {
        //TODO: modifier le contenu de la cellule, puis appeler les méthodes valueChanged des
        // listeners
    }

    /**
     * Returns this {@link Cell}'s state property.
     * Returns the current content of this {@link Cell}.
     *
     * @return this {@link Cell}'s state property.
     * @return the current content of this {@link Cell}
     */
    public Property<CellState> getStateProperty() {
        return stateProperty;
    public T get(){
        //TODO: à compléter
        return null;
    }

}
+0 −19
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package model;

import javafx.scene.paint.Color;

/**
 * {@link CellState} instances represent the possible states of a {@link CellState}.
 */
public enum CellState {
    ALIVE(true, Color.RED),
    DEAD(false, Color.WHITE);

    public final boolean isAlive;
    public final Color color;

    CellState(boolean isAlive, Color color) {
        this.isAlive = isAlive;
        this.color = color;
    }
}
Original line number Diff line number Diff line
package model;

import java.util.Random;

/**
 * Represents a cellular automaton, which defines the main parameters of a cellular automaton.
 * The rules for updating states are defined in the class used as {@code S}.
 *
 * @param <S> The type of state used in the cellular automaton.
 */
public interface CellularAutomaton<S extends State<S>> {

    /**
     * Returns the number of columns in the grid of the cellular automaton.
     *
     * @return The number of columns in the grid.
     */
    int numberOfColumns();

    /**
     * Returns the number of rows in the grid of the cellular automaton.
     *
     * @return The number of rows in the grid.
     */
    int numberOfRows();

    /**
     * Returns the default state that is used to initialize cells in the automaton.
     *
     * @return The default state for cells in the automaton.
     */
    S defaultState();


    /**
     * Generates a random state using the specified random number generator.
     *
     * @param generator The random number generator to use.
     * @return A randomly generated state.
     */
    S randomState(Random generator);
}
 No newline at end of file
Original line number Diff line number Diff line
package model;

import controller.Simulation;
import matrix.Coordinate;
import matrix.ListMatrix;
import javafx.scene.paint.Color;

import java.util.Iterator;
import java.util.Random;



/**
 * {@link CellularAutomatonSimulation} instances run <i>The Game of Life</i>.
 *
 *  @param <S> The type of state used in the simulation.
 */
public class CellularAutomatonSimulation<S extends State<S>>
        implements Simulation {

    private final ListMatrix<Cell<S>> grid;
    private final Cell<Integer> generationNumber = new Cell<>(0);
    private final CellularAutomaton<S> automaton;
    private final Random generator;

    /**
     * Creates a new {@link CellularAutomatonSimulation} instance for a given automaton.
     *
     * @param automaton  A description of the {@link CellularAutomaton}.
     * @param generator  The {@link Random} instance used for random state generation.
     */
    public CellularAutomatonSimulation(CellularAutomaton<S> automaton, Random generator) {
        this.automaton = automaton;
        this.grid = new ListMatrix<>(
                automaton.numberOfColumns(),
                automaton.numberOfRows(),
                new ConstantCellInitializer<>(automaton.defaultState())
        );
        this.generator = generator;
    }


    @Override
    public int numberOfColumns() {
        //TODO: à compléter
        return 0;
    }

    @Override
    public int numberOfRows() {
        //TODO: à compléter
        return 0;
    }

    /**
     * Returns the {@link Cell} at the specified coordinate.
     *
     * @param coordinate The coordinate of the cell to retrieve.
     * @return The cell at the specified coordinate.
     */
    public Cell<S> at(Coordinate coordinate) {
        //TODO: à compléter
        return null;
    }

    @Override
    public void updateToNextGeneration() {
        //TODO: à compléter, en utilisant nextGenerationMatrix()
    }

    /** Computes the {@link ListMatrix} of states obtained after a single step of updates
     * of the simulation.
     *
     * @return the states of each cell after one generation
     */
    private ListMatrix<S> nextGenerationMatrix() {
        //TODO: à compléter
        return null;
    }
    @Override
    public void next(Coordinate coordinate) {
        //TODO: à compléter
    }

    @Override
    public void copy(Coordinate source, Coordinate destination) {
        //TODO: à compléter
    }

    @Override
    public Color getColor(Coordinate coordinate) {
        //TODO: à compléter
        return null;
    }

    @Override
    public void setChangeListener(Coordinate coordinate, Runnable listener) {
        this.at(coordinate).addOnChangeListener(
                (oldValue, newValue) -> listener.run()
        );
    }

    @Override
    public void setGenerationNumberChangeListener(OnChangeListener<Integer> listener){
        this.generationNumber.addOnChangeListener(listener);
    }


    @Override
    public void clear() {
        //TODO: à compléter (penser à remettre le nombre de génération à 0)
    }


    @Override
    public void reset() {
        //TODO: à compléter (penser à remettre le nombre de génération à 0)
    }

    @Override
    public Iterator<Coordinate> iterator() {
        return this.grid.coordinates().iterator();
    }
}
Original line number Diff line number Diff line
package model;

import matrix.Coordinate;
import matrix.ListMatrix;
import matrix.MatrixInitializer;

/**
 *  An initializer for {@link ListMatrix} of {@link Cell}s, where each cell is initialized to the
 *  same value.
 *
 * @param <T> the type of content of each cell
 */
public class ConstantCellInitializer<T>  implements MatrixInitializer<Cell<T>> {
    //TODO: ajouter la/les propriétes nécessaires

    /** Make a new {@link MatrixInitializer} with cells containing a {@link Cell} with the same
     * value.
     *
     * @param defaultValue the value stored in each cell.
     */
    public ConstantCellInitializer(T defaultValue) {
        //TODO: à compléter
    }

    @Override
    public Cell<T> initialValueAt(Coordinate coordinate) {
        //TODO: à compléter
        return null;
    }
}
+0 −115
Original line number Diff line number Diff line
package model;

import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.beans.property.ReadOnlyLongProperty;
import javafx.beans.property.ReadOnlyLongWrapper;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.util.Duration;

import java.util.Random;

import static java.util.Objects.requireNonNull;

/**
 * {@link GameOfLife} instances run <i>The Game of Life</i>.
 */
public class GameOfLife {

    private final Random random = new Random();
    private static final int PERIOD_IN_MILLISECONDS = 100;

    private final Grid grid;
    private final ReadOnlyLongWrapper generationNumber = new ReadOnlyLongWrapper();
    private Timeline timeline;

    /**
     * Creates a new {@code GameOfLife} instance given the underlying {@link Grid}.
     *
     * @param grid the underlying {@link Grid}
     * @throws NullPointerException if {@code grid} is {@code null}
     */
    public GameOfLife(Grid grid) {
        this.grid = requireNonNull(grid, "grid is null");
        updateTimeline();
        grid.randomGeneration(random);
    }

    private void updateTimeline() {
        Duration duration = new Duration(PERIOD_IN_MILLISECONDS);
        EventHandler<ActionEvent> eventHandler = event -> next();
        KeyFrame keyFrame = new KeyFrame(duration, eventHandler);
        timeline = new Timeline(keyFrame);
        timeline.setCycleCount(Animation.INDEFINITE);
    }

    /**
     * Transitions into the next generationNumber.
     */
    private void next() {
        grid.updateToNextGeneration();
        generationNumber.set(getGenerationNumber() + 1);
    }


    /**
     * Returns the current generationNumber.
     *
     * @return the current generationNumber
     */
    private long getGenerationNumber() {
        return generationNumber.get();
    }

    /**
     * Returns the generationNumber {@link ReadOnlyLongProperty}.
     *
     * @return the generationNumber {@link ReadOnlyLongProperty}
     */
    public ReadOnlyLongProperty generationNumberProperty() {
        return generationNumber.getReadOnlyProperty();
    }

    /**
     * Returns the {@link Grid}.
     *
     * @return the {@link Grid}
     */
    public Grid getGrid() {
        return grid;
    }

    /**
     * Plays the game.
     */
    public void play() {
        timeline.play();
    }

    /**
     * Pauses the game.
     */
    public void pause() {
        timeline.pause();
    }

    /**
     * Clears the current game.
     */
    public void clear() {
        pause();
        grid.clear();
        generationNumber.set(0);
    }

    /**
     * Clears the current game and randomly generates a new one.
     */
    public void reset() {
        clear();
        grid.randomGeneration(random);
    }

}

src/main/java/model/Grid.java

deleted100644 → 0
+0 −156
Original line number Diff line number Diff line
package model;

import java.util.Iterator;
import java.util.List;
import java.util.Random;


/**
 * {@link Grid} instances represent the grid in <i>The Game of Life</i>.
 */
public class Grid implements Iterable<Cell> {

    private final int numberOfRows;
    private final int numberOfColumns;
    private final Cell[][] cells;

    /**
     * Creates a new {@code Grid} instance given the number of rows and columns.
     *
     * @param numberOfRows    the number of rows
     * @param numberOfColumns the number of columns
     * @throws IllegalArgumentException if {@code numberOfRows} or {@code numberOfColumns} are
     *                                  less than or equal to 0
     */
    public Grid(int numberOfRows, int numberOfColumns) {
        this.numberOfRows = numberOfRows;
        this.numberOfColumns = numberOfColumns;
        this.cells = createCells();
    }

    /**
     * Returns an iterator over the cells in this {@code Grid}.
     *
     * @return an iterator over the cells in this {@code Grid}
     */

    @Override
    public Iterator<Cell> iterator() {
        return new GridIterator(this);
    }

    private Cell[][] createCells() {
        Cell[][] cells = new Cell[getNumberOfRows()][getNumberOfColumns()];
        for (int rowIndex = 0; rowIndex < getNumberOfRows(); rowIndex++) {
            for (int columnIndex = 0; columnIndex < getNumberOfColumns(); columnIndex++) {
                cells[rowIndex][columnIndex] = new Cell();
            }
        }
        return cells;
    }

    /**
     * Returns the {@link Cell} at the given index.
     *
     * <p>Note that the index is wrapped around so that a {@link Cell} is always returned.
     *
     * @param rowIndex    the row index of the {@link Cell}
     * @param columnIndex the column index of the {@link Cell}
     * @return the {@link Cell} at the given row and column index
     */
    public Cell getCell(int rowIndex, int columnIndex) {
        return cells[getWrappedRowIndex(rowIndex)][getWrappedColumnIndex(columnIndex)];
    }

    private int getWrappedRowIndex(int rowIndex) {
        return (rowIndex + getNumberOfRows()) % getNumberOfRows();
    }

    private int getWrappedColumnIndex(int columnIndex) {
        return (columnIndex + getNumberOfColumns()) % getNumberOfColumns();
    }

    /**
     * Returns the number of rows in this {@code Grid}.
     *
     * @return the number of rows in this {@code Grid}
     */
    public int getNumberOfRows() {
        return numberOfRows;
    }

    /**
     * Returns the number of columns in this {@code Grid}.
     *
     * @return the number of columns in this {@code Grid}
     */
    public int getNumberOfColumns() {
        return numberOfColumns;
    }


    // TODO: Écrire une version correcte de cette méthode.
    public List<Cell> getNeighbors(int rowIndex, int columnIndex) {
        return null;
    }

    // TODO: Écrire une version correcte de cette méthode.
    public int countAliveNeighbors(int rowIndex, int columnIndex) {
        return 0;
    }

    // TODO: Écrire une version correcte de cette méthode.
    public CellState calculateNextState(int rowIndex, int columnIndex) {
        return null;
    }



    // TODO: Écrire une version correcte de cette méthode.
    public CellState[][] calculateNextStates() {
        CellState[][] nextCellState = new CellState[getNumberOfRows()][getNumberOfColumns()];
        return nextCellState;
    }

    // TODO: Écrire une version correcte de cette méthode.
    public void updateStates(CellState[][] nextState) {

    }

    /**
     * Transitions all {@link Cell}s in this {@code Grid} to the next generation.
     *
     * <p>The following rules are applied:
     * <ul>
     * <li>Any live {@link Cell} with fewer than two live neighbours dies, i.e. underpopulation.</li>
     * <li>Any live {@link Cell} with two or three live neighbours lives on to the next
     * generation.</li>
     * <li>Any live {@link Cell} with more than three live neighbours dies, i.e. overpopulation.</li>
     * <li>Any dead {@link Cell} with exactly three live neighbours becomes a live cell, i.e.
     * reproduction.</li>
     * </ul>
     */
    // TODO: Écrire une version correcte de cette méthode.
    public void updateToNextGeneration() {

    }

    /**
     * Sets all {@link Cell}s in this {@code Grid} as dead.
     */
    // TODO: Écrire une version correcte de cette méthode.
    public void clear() {

    }

    /**
     * Goes through each {@link Cell} in this {@code Grid} and randomly sets its state as ALIVE or DEAD.
     *
     * @param random {@link Random} instance used to decide if each {@link Cell} is ALIVE or DEAD.
     * @throws NullPointerException if {@code random} is {@code null}.
     */
    // TODO: Écrire une version correcte de cette méthode.
    public void randomGeneration(Random random) {

    }
}
+0 −33
Original line number Diff line number Diff line
package model;

import java.util.Iterator;

/**
 * {@link GridIterator} instances are used to iterate over the cells of a grid.
 */
public class GridIterator implements Iterator<Cell> {
    private int rowIndex;
    private int columnIndex;
    private final Grid grid;

    GridIterator(Grid grid) {
        this.rowIndex = 0;
        this.columnIndex = 0;
        this.grid = grid;
    }

    @Override
    public boolean hasNext() {
        return columnIndex < grid.getNumberOfColumns() && rowIndex < grid.getNumberOfRows();
    }

    @Override
    public Cell next() {
        final Cell result = grid.getCell(rowIndex, columnIndex);
        columnIndex = (columnIndex +1) % grid.getNumberOfColumns();
        if(columnIndex == 0){
            rowIndex++;
        }
        return result;
    }
}
+22 −0
Original line number Diff line number Diff line
package model;

/**
 * A lens interface representing a view into a mutable state.
 *
 * @param <S> The type of the value stored in the lens.
 */
public interface Lens<S> {
    /**
     * Gets the value from the {@link Lens}.
     *
     * @return The value stored in the place designated by {@link Lens}.
     */
    S get();

    /**
     * Sets a new value into the {@link Lens}.
     *
     * @param value The new value to set in the place designated by the {@link Lens}.
     */
    void set(S value);
}
Original line number Diff line number Diff line
package model;

import matrix.Coordinate;
import matrix.MatrixInitializer;
import matrix.ListMatrix;
import controller.Simulation;

/**
 * An initializer for a {@link ListMatrix} of states, where each state is computed based on the value
 * of its neighbours in a {@link Simulation} of a cellular automaton.
 *
 * @param <S> the type of states in the simulation.
 */
public class NextGenerationInitializer<S extends State<S>> implements MatrixInitializer<S> {

    //TODO: ajouter les propriétés nécessaires

    /** Create a {@link MatrixInitializer} to compute the next generation in
     * a 2D cellular automaton.
     *
     * @param simulation the {@link Simulation} representing the cellular automaton.
     */
    public NextGenerationInitializer(CellularAutomatonSimulation<S> simulation) {
        //TODO: à compléter
    }

    @Override
    public S initialValueAt(Coordinate coordinate) {
        //TODO: à compléter
        return null;
    }

    /** Computes the grid {@link Coordinate} for an arbitrary {@link Coordinate}, even outside
     * the grid. This is done by considering that the grid wraps over its edges, connecting the left side to the right
     * side, and the top side to the bottom side. This way, every cell has 4 orthogonal
     * neighbours and 4 diagonal neighbours.
     *
     * @param coordinate a {@link Coordinate} that may be outside the grid.
     * @return a corresponding {@link Coordinate}, that is inside the grid.
     */
    Coordinate wrap(Coordinate coordinate) {
        //TODO: à compléter
        //Il faut recalculer les coordonnées x et y modulo les dimensions de la grille.
        //Pour le modulo, utiliser la fonction ci-dessous, qui s'assure que le résultat est positif.
        return null;
    }

    /** The non-negative remainder of n divided by d.
     *
     * @param n an arbitrary integer.
     * @param d a non-zero integer.
     * @return the remainder of {@code n/d}, between {@code 0} and {@code n-1}.
     */
    static int modulo(int n, int d) {
        int result = n % d;
        return n < 0 ? result + d : result;
    }
}
Original line number Diff line number Diff line
package model;

public interface OnChangeListener<T> {
    void valueChanged(T oldValue, T newValue);
}
+50 −0
Original line number Diff line number Diff line
package model;

import javafx.scene.paint.Color;

import java.util.List;

/**
 * Represents a state of a cell in a cellular automaton, and the update rules for the cellular
 * automaton.
 *
 * @param <S> The type of the state itself, used for reflexivity: if a class {@code SomeState}
 *          wants to implement this interface, it should implement {@code State<SomeState>}.
 */
public interface State<S> {

    /**
     * Returns the color associated with this state.
     *
     * @return The color representing this state.
     */
    Color getColor();

    /**
     * Computes and returns the next state based on the rules of the cellular automaton.
     *
     * @return The next state.
     */
    S next();

    /**
     * Updates the state based on the states of its neighboring cells.
     *
     * @param neighbours A list of neighboring cell states.
     * @return The updated state based on the neighbors.
     */
    S update(List<S> neighbours);

    /**
     * Counts the occurrences of a specific state within a list of neighboring states.
     *
     * @param <T>       The type of state to count.
     * @param state     The state to count occurrences of.
     * @param neighbours A list of neighboring states to search within.
     * @return The number of times the specified state appears in the list of neighbors.
     */
    static <T> int count(T state, List<T> neighbours) {
        //TODO: à compléter
        return 0;
    }
}
 No newline at end of file
Original line number Diff line number Diff line
package model.automata;

import model.CellularAutomaton;

import java.util.Random;

public class GameOfLifeAutomaton implements CellularAutomaton<GameOfLifeState> {

    public GameOfLifeAutomaton(int numberOfColumns, int numberOfRows) {
        //TODO: à compléter
    }

    @Override
    public int numberOfColumns() {
        //TODO: à compléter
        return 0;
    }

    @Override
    public int numberOfRows() {
        //TODO: à compléter
        return 0;
    }

    @Override
    public GameOfLifeState defaultState() {
        //TODO: à compléter
        return null;
    }

    @Override
    public GameOfLifeState randomState(Random generator) {
        //TODO: à compléter
        return null;
    }
}
Original line number Diff line number Diff line
package model.automata;

import javafx.scene.paint.Color;
import model.State;

import java.util.List;

/**
 * {@link GameOfLifeState} instances represent the possible states of a {@link GameOfLifeState}.
 */
public enum GameOfLifeState implements State<GameOfLifeState> {
    ALIVE, DEAD;


    @Override
    public Color getColor() {
        //TODO: à compléter
        return Color.BLACK;
    }

    @Override
    public GameOfLifeState next() {
        //TODO: à compléter
        return null;
    }

    @Override
    public GameOfLifeState update(List<GameOfLifeState> neighbours) {
        //TODO: à compléter
        return null;
    }

}
Original line number Diff line number Diff line
package view;

import matrix.Coordinate;
import javafx.scene.input.MouseEvent;
import model.Cell;
import model.CellState;

public class FillingMouseListener implements MouseListener {
    private final MatrixPane matrix;
    private final CellState cellState;
    private final Coordinate source;

    public FillingMouseListener(MatrixPane matrix, CellState cellState) {

    public FillingMouseListener(MatrixPane matrix, Coordinate source) {
        this.matrix = matrix;
        this.cellState = cellState;
        this.source = source;
    }

    @Override
    public void onMouseReleased(MouseEvent event, Cell cell) {
        System.out.println("Filling Release");
    public void onMouseReleased(MouseEvent event, Coordinate coordinate) {
        this.matrix.resetWaitingListener();
    }

    @Override
    public void onMouseEntered(MouseEvent event, Cell cell) {
        System.out.println("Filling Enter");
    public void onMouseEntered(MouseEvent event, Coordinate destination) {
        if (!event.isPrimaryButtonDown()) {
            this.matrix.resetWaitingListener();
            return;
        }
        while (!cellState.equals(cell.getState())) {
            cell.toggleState();
        }
        this.matrix.getController().getSimulation().copy(source, destination);
    }

    @Override
    public void onMousePressed(MouseEvent event, Cell cell) {
        System.out.println("Filling Pressed");
        cell.toggleState();
        CellState state = cell.getState();
        this.matrix.setMouseListener(new FillingMouseListener(this.matrix, state));
    public void onMousePressed(MouseEvent event, Coordinate coordinate) {
        this.matrix.getController().getSimulation().next(coordinate);
        this.matrix.setMouseListener(
                new FillingMouseListener(this.matrix, coordinate)
        );
    }

}
Original line number Diff line number Diff line
package view;

import controller.Controller;
import matrix.Coordinate;
import javafx.scene.input.MouseDragEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import model.Cell;
import model.CellState;
import model.Grid;

/**
 * Created by Arnaud Labourel on 22/11/2018.
@@ -14,62 +14,70 @@ import model.Grid;
public class MatrixPane extends GridPane {
    private static final double CELL_SIZE = 14;

    public void initialize(Grid grid) {
        for (int rowIndex = 0; rowIndex < grid.getNumberOfRows(); rowIndex++) {
            for (int columnIndex = 0; columnIndex < grid.getNumberOfColumns(); columnIndex++) {
                addCellRectangle(grid.getCell(rowIndex,columnIndex), rowIndex, columnIndex);
    public Controller getController() {
        return controller;
    }

    private Controller controller;

    public void initialize(Controller controller) {
        this.controller = controller;
        for (Coordinate coordinate : controller.coordinates()) {
            addCellRectangle(coordinate);
        }
    }

    private void addCellRectangle(Cell cell, int rowIndex, int columnIndex) {
    private void addCellRectangle(Coordinate coord) {
        Rectangle rectangleCell = new Rectangle(CELL_SIZE, CELL_SIZE);
        addStatePropertyListener(cell, rectangleCell);
        updateFill(rectangleCell, cell.getState());
        addEventHandler(cell, rectangleCell);
        add(rectangleCell, columnIndex, rowIndex);
        addStatePropertyListener(rectangleCell, coord);
        updateFill(rectangleCell, coord);
        addEventHandler(rectangleCell, coord);
        add(rectangleCell, coord);
    }

    private void addStatePropertyListener(Cell cell, Rectangle cellRectangle) {
        cell.getStateProperty().addListener((observable, oldValue, newValue) ->
                updateFill(cellRectangle, newValue));
    private void add(Rectangle rectangleCell, Coordinate coord) {
        this.add(rectangleCell, coord.x(), coord.y());
    }

    private void updateFill(Rectangle cellRectangle, CellState newCellState) {
        cellRectangle.setFill(newCellState.color);
    private void addStatePropertyListener(Rectangle cellRectangle, Coordinate coord) {
        controller.getSimulation().setChangeListener(
                coord,
                () -> updateFill(cellRectangle, coord)
        );
    }

    private void addEventHandler(Cell cell, Rectangle cellRectangle) {
    private void updateFill(Rectangle cellRectangle, Coordinate coord) {
        Color color = this.controller.getSimulation().getColor(coord);
        cellRectangle.setFill(color);
    }

    private void addEventHandler(Rectangle cellRectangle, Coordinate coord) {

        cellRectangle.addEventHandler(
                MouseEvent.MOUSE_PRESSED,
                event -> mouseListener.onMousePressed(event, cell)
                event -> mouseListener.onMousePressed(event, coord)
        );
        cellRectangle.addEventHandler(
                MouseEvent.DRAG_DETECTED,
                event -> {
                    System.out.println("Full drag start");
                    this.startFullDrag();
                }
                event -> this.startFullDrag()
        );
        cellRectangle.addEventHandler(
                MouseDragEvent.MOUSE_DRAG_RELEASED,
                event -> mouseListener.onMouseReleased(event, cell)
                event -> mouseListener.onMouseReleased(event, coord)
        );
        cellRectangle.addEventHandler(
                MouseDragEvent.MOUSE_DRAG_ENTERED,
                event -> mouseListener.onMouseEntered(event, cell)
                event -> mouseListener.onMouseEntered(event, coord)
        );
    }

    private MouseListener mouseListener = new WaitingMouseListener(this);

    void setMouseListener(MouseListener mouseListener) {
        System.out.println("Change listener");
        this.mouseListener = mouseListener;
    }

    void resetWaitingListener() {
        System.out.println("Reset listener");
        this.mouseListener = new WaitingMouseListener(this);
    }
}
Original line number Diff line number Diff line
package view;

import javafx.event.EventType;
import matrix.Coordinate;
import javafx.scene.input.MouseEvent;
import model.Cell;

interface MouseListener {

    default void onMousePressed(MouseEvent event, Cell cell) {}
    default void onMouseReleased(MouseEvent event, Cell cell) {}
    default void onMouseEntered(MouseEvent event, Cell cell) {};
    default void onMousePressed(MouseEvent event, Coordinate coordinate) {}
    default void onMouseReleased(MouseEvent event, Coordinate coordinate) {}
    default void onMouseEntered(MouseEvent event, Coordinate coordinate) {};


}
Original line number Diff line number Diff line
package view;

import matrix.Coordinate;
import javafx.scene.input.MouseEvent;
import model.Cell;
import model.CellState;

class WaitingMouseListener implements MouseListener {

@@ -14,9 +13,10 @@ class WaitingMouseListener implements MouseListener {
    }

    @Override
    public void onMousePressed(MouseEvent event, Cell cell) {
        cell.toggleState();
        CellState cellState = cell.getState();
        matrix.setMouseListener(new FillingMouseListener(this.matrix, cellState));
    public void onMousePressed(MouseEvent event, Coordinate coordinate) {
        this.matrix.getController().getSimulation().next(coordinate);
        this.matrix.setMouseListener(new FillingMouseListener(this.matrix, coordinate));
    }


}
Original line number Diff line number Diff line
<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.geometry.Insets?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.Separator?>
<?import javafx.scene.control.ToggleButton?>
<?import javafx.scene.layout.AnchorPane?>
<?import javafx.scene.layout.GridPane?>
<?import javafx.scene.layout.HBox?>

<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<?import view.MatrixPane?>
<AnchorPane maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308"
            styleClass="background" stylesheets="@style.css"
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package matrix;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

class ConstantMatrixInitializerTest {
    @Test
    public void testMatrixInitializationWithConstantValue() {
        ListMatrix<String> matrix = new ListMatrix<>(3, 3, new ConstantMatrixInitializer<>("X"));

        // Test that all cells have the constant value.
        for (int x = 0; x < 3; x++) {
            for (int y = 0; y < 3; y++) {
                assertEquals("X", matrix.get(x, y));
            }
        }
    }

    @Test
    public void testMatrixInitializationWithConstantValue2() {
        ListMatrix<Integer> matrix = new ListMatrix<>(3, 5, new ConstantMatrixInitializer<>(12));

        // Test that all cells have the constant value.
        for (int x = 0; x < 3; x++) {
            for (int y = 0; y < 5; y++) {
                assertEquals(12, matrix.get(x, y));
            }
        }
    }
}
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package matrix;

import org.junit.jupiter.api.Test;

import java.util.NoSuchElementException;

import static org.junit.jupiter.api.Assertions.*;

class CoordinateIteratorTest {

    @Test
    public void testIteratorWithZeroDimensions() {
        CoordinateIterator iterator = new CoordinateIterator(0, 0);
        assertFalse(iterator.hasNext());
    }

    @Test
    public void testIteratorWithOneDimension() {
        CoordinateIterator iterator = new CoordinateIterator(5, 1);
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(0, 0), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(1, 0), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(2, 0), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(3, 0), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(4, 0), iterator.next());
        assertFalse(iterator.hasNext());
        assertThrows(NoSuchElementException.class, iterator::next);
    }

    @Test
    public void testIteratorWithTwoDimensions() {
        CoordinateIterator iterator = new CoordinateIterator(3, 2);
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(0, 0), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(1, 0), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(2, 0), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(0, 1), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(1, 1), iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(Coordinate.of(2, 1), iterator.next());
        assertFalse(iterator.hasNext());
        assertThrows(NoSuchElementException.class, iterator::next);
    }

}
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package matrix;

import org.junit.jupiter.api.Test;

import java.util.List;

import static org.junit.jupiter.api.Assertions.*;

public class CoordinateTest {
    @Test
    public void testCoordinateCreation() {
        Coordinate coordinate = Coordinate.of(3, 4);
        assertEquals(3, coordinate.x());
        assertEquals(4, coordinate.y());
    }

    @Test
    public void testLeft() {
        Coordinate coordinate = Coordinate.of(3, 4);
        Coordinate left = coordinate.left();
        assertEquals(2, left.x());
        assertEquals(4, left.y());
    }

    @Test
    public void testRight() {
        Coordinate coordinate = Coordinate.of(3, 4);
        Coordinate right = coordinate.right();
        assertEquals(4, right.x());
        assertEquals(4, right.y());
    }

    @Test
    public void testAbove() {
        Coordinate coordinate = Coordinate.of(3, 4);
        Coordinate above = coordinate.above();
        assertEquals(3, above.x());
        assertEquals(5, above.y());
    }

    @Test
    public void testBelow() {
        Coordinate coordinate = Coordinate.of(3, 4);
        Coordinate below = coordinate.below();
        assertEquals(3, below.x());
        assertEquals(3, below.y());
    }

    @Test
    public void testOrthogonalNeighbours() {
        Coordinate coordinate = Coordinate.of(3, 4);
        List<Coordinate> neighbours = coordinate.orthogonalNeighbours();
        assertEquals(4, neighbours.size());
        assertTrue(neighbours.contains(Coordinate.of(2, 4)));
        assertTrue(neighbours.contains(Coordinate.of(4, 4)));
        assertTrue(neighbours.contains(Coordinate.of(3, 3)));
        assertTrue(neighbours.contains(Coordinate.of(3, 5)));
        assertFalse(neighbours.contains(coordinate));
        assertFalse(neighbours.contains(Coordinate.of(1, 4)));
        assertFalse(neighbours.contains(Coordinate.of(5, 4)));
        assertFalse(neighbours.contains(Coordinate.of(3, 6)));
        assertFalse(neighbours.contains(Coordinate.of(3, 1)));
    }

    @Test
    public void testDiagonalNeighbours() {
        Coordinate coordinate = Coordinate.of(3, 4);
        List<Coordinate> neighbours = coordinate.diagonalNeighbours();
        assertEquals(4, neighbours.size());
        assertTrue(neighbours.contains(Coordinate.of(2, 3)));
        assertTrue(neighbours.contains(Coordinate.of(4, 3)));
        assertTrue(neighbours.contains(Coordinate.of(2, 5)));
        assertTrue(neighbours.contains(Coordinate.of(4, 5)));
        assertFalse(neighbours.contains(coordinate));
        assertFalse(neighbours.contains(Coordinate.of(1, 4)));
        assertFalse(neighbours.contains(Coordinate.of(5, 4)));
        assertFalse(neighbours.contains(Coordinate.of(3, 6)));
        assertFalse(neighbours.contains(Coordinate.of(3, 1)));
    }

    @Test
    public void testOrthodiagonalNeighbours() {
        Coordinate coordinate = Coordinate.of(3, 4);
        List<Coordinate> neighbours = coordinate.orthodiagonalNeighbours();
        assertEquals(8, neighbours.size());
        assertTrue(neighbours.contains(Coordinate.of(2, 4)));
        assertTrue(neighbours.contains(Coordinate.of(4, 4)));
        assertTrue(neighbours.contains(Coordinate.of(3, 3)));
        assertTrue(neighbours.contains(Coordinate.of(3, 5)));
        assertTrue(neighbours.contains(Coordinate.of(2, 3)));
        assertTrue(neighbours.contains(Coordinate.of(4, 3)));
        assertTrue(neighbours.contains(Coordinate.of(2, 5)));
        assertTrue(neighbours.contains(Coordinate.of(4, 5)));
        assertFalse(neighbours.contains(coordinate));
        assertFalse(neighbours.contains(Coordinate.of(1, 4)));
        assertFalse(neighbours.contains(Coordinate.of(5, 4)));
        assertFalse(neighbours.contains(Coordinate.of(3, 6)));
        assertFalse(neighbours.contains(Coordinate.of(3, 1)));
    }
}
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package matrix;

import org.junit.jupiter.api.Test;

import java.util.Iterator;

import static org.junit.jupiter.api.Assertions.*;

class ListMatrixTest {

    private final MatrixInitializer<Integer> sumInitializer =
            coord -> coord.x() + coord.y();

    @Test
    public void testMatrixCreationWithInitializer() {
        ListMatrix<Integer> matrix = new ListMatrix<>(3, 4, sumInitializer);
        assertEquals(3, matrix.width());
        assertEquals(4, matrix.height());
        assertEquals(4, matrix.get(2, 2));
        assertEquals(3, matrix.get(1, 2));
        assertEquals(3, matrix.get(2, 1));
        assertEquals(2, matrix.get(1, 1));
    }

    @Test
    public void testMatrixCreationWithInitialValue() {
        ListMatrix<String> matrix = new ListMatrix<>(2, 2, "Foo");
        assertEquals(2, matrix.width());
        assertEquals(2, matrix.height());
        assertEquals("Foo", matrix.get(1, 1)); // Test a specific cell value.
    }

    @Test
    public void testMatrixSetAndGet() {
        ListMatrix<Integer> matrix = new ListMatrix<>(3, 3, 0);
        matrix.set(1, 1,42);
        assertEquals(42, matrix.get(1, 1));
        matrix.set(0, 2,10);
        assertEquals(10, matrix.get(0, 2));
        matrix.set(Coordinate.of(2, 2),99);
        assertEquals(99, matrix.get(Coordinate.of(2, 2)));
    }

    @Test
    public void testMatrixWidthAndHeight() {
        ListMatrix<String> matrix = new ListMatrix<>(4, 2, "A");
        assertEquals(4, matrix.width());
        assertEquals(2, matrix.height());
        matrix.set(3, 1,"B");
        assertEquals(4, matrix.width());
        assertEquals(2, matrix.height());
    }

    @Test
    public void testMatrixIterator() {
        ListMatrix<Integer> matrix = new ListMatrix<>(2, 2, sumInitializer);
        Iterator<Integer> iterator = matrix.iterator();
        assertTrue(iterator.hasNext());
        assertEquals(0, iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(1, iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(1, iterator.next());
        assertTrue(iterator.hasNext());
        assertEquals(2, iterator.next());
        assertFalse(iterator.hasNext());
    }

    @Test
    public void testMatrixCoordinates() {
        ListMatrix<Integer> matrix = new ListMatrix<>(2, 2, 0);
        Iterable<Coordinate> coordinates = matrix.coordinates();
        int count = 0;
        for (Coordinate coord : coordinates) {
            count++;
        }
        assertEquals(4, count);
    }


    @Test
    public void testSubMatrix() {
      Matrix<Integer> matrix = new ListMatrix<>(5, 5, 0);
      for (int x = 0; x < 5; x++) {
        for (int y = 0; y < 5; y++) {
          matrix.set(x,y,x + y * 5);
        }
      }
      Matrix<Integer> sub = matrix.subMatrix(Coordinate.of(2,1),2,3);
      assertEquals(2, sub.width());
      assertEquals(3, sub.height());
      for (int x = 2; x < 4; x++) {
        for (int y = 1; y < 4; y++) {
          assertEquals(x + y * 5, sub.get(x-2,y-1));
        }
      }
    }


}
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package model;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

class CellTest {

    private record Change<T>(T oldValue, T newValue) {}
    private static class MockListener<T> implements OnChangeListener<T> {
        private Change<T> lastChange = null;

        public boolean checksLastChange(T oldValue, T newValue) {
            return this.lastChange != null
                    && this.lastChange.oldValue.equals(oldValue)
                    && this.lastChange.newValue.equals(newValue);
        }

        @Override
        public void valueChanged(T oldValue, T newValue) {
            lastChange = new Change<>(oldValue, newValue);
        }
    }
    @Test
    public void testCellValueChangeWithListener() {
        Cell<Integer> cell = new Cell<>(42);
        MockListener<Integer> mockListener = new MockListener<>();
        cell.addOnChangeListener(mockListener);
        cell.set(99);
        assertTrue(mockListener.checksLastChange(42, 99));
        assertEquals(99, cell.get());
    }

    @Test
    public void testCellWithoutListener() {
        Cell<String> cell = new Cell<>("Foo");
        cell.set("Bar");
        assertEquals("Bar", cell.get());
    }
}
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package model;

import matrix.Coordinate;
import javafx.scene.paint.Color;
import model.automata.GameOfLifeAutomaton;
import static model.automata.GameOfLifeState.*;
import model.automata.GameOfLifeState;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.*;


class CellularAutomatonSimulationTest {

    private final CellularAutomatonSimulation<GameOfLifeState> simulation;
    private final CellularAutomaton<GameOfLifeState> automaton;
    private final Random randomGenerator;

    CellularAutomatonSimulationTest() {
        this.randomGenerator = new Random();
        this.automaton = new GameOfLifeAutomaton(4,3);
        this.simulation = new CellularAutomatonSimulation<>(automaton, randomGenerator);
    }
    @BeforeEach
    public void setUp() {
        this.simulation.clear();
    }

    @Test
    public void testNumberOfColumns() {
        assertEquals(4, simulation.numberOfColumns());
    }

    @Test
    public void testNumberOfRows() {
        assertEquals(3, simulation.numberOfRows());
    }

    @Test
    public void testAt() {
        Coordinate coordinate = Coordinate.of(1, 2);
        Cell<GameOfLifeState> cell = simulation.at(coordinate);
        assertEquals(DEAD,cell.get());
    }

    @Test
    public void testUpdateToNextGeneration() {
        GameOfLifeState[][] input =
                { {ALIVE, ALIVE, ALIVE, DEAD},
                  {ALIVE, DEAD, DEAD, DEAD},
                  {DEAD, ALIVE, DEAD, DEAD}
                };
        GameOfLifeState[][] output =
                { {ALIVE, DEAD, ALIVE, ALIVE},
                  {ALIVE, DEAD, ALIVE, ALIVE},
                  {DEAD, DEAD, ALIVE, ALIVE}
                };
        for (Coordinate coordinate : this.simulation) {
            this.simulation.at(coordinate).set(input[coordinate.y()][coordinate.x()]);
        }
        simulation.updateToNextGeneration();
        for (Coordinate coordinate : this.simulation) {
            assertEquals(
                    output[coordinate.y()][coordinate.x()],
                    this.simulation.at(coordinate).get(),
                    "Generation at " + coordinate
            );
        }
    }

    @Test
    public void testNext() {
        Coordinate coordinate = Coordinate.of(1, 1);
        Cell<GameOfLifeState> cell = simulation.at(coordinate);
        GameOfLifeState oldState = cell.get();
        simulation.next(coordinate);
        assertNotEquals(oldState, cell.get());
    }

    @Test
    public void testCopy() {
        Coordinate source = Coordinate.of(1, 1);
        Coordinate destination = Coordinate.of(2, 2);
        this.simulation.at(source).set(ALIVE);
        simulation.copy(source, destination);
        assertEquals(
                ALIVE,
                this.simulation.at(destination).get()
        );
    }

    @Test
    public void testColor() {
        Coordinate coordinate = Coordinate.of(1, 1);
        assertEquals(Color.WHITE, this.simulation.getColor(coordinate));
        this.simulation.at(coordinate).set(ALIVE);
        assertEquals(Color.RED, this.simulation.getColor(coordinate));
    }

    @Test
    public void testSetChangeListener() {
        Coordinate coordinate = Coordinate.of(1, 1);
        Coordinate otherCoordinate = Coordinate.of(0,2);
        Cell<GameOfLifeState> cell = simulation.at(coordinate);
        List<GameOfLifeState> states = new ArrayList<>();
        Runnable listener = () -> states.add(this.simulation.at(coordinate).get());
        simulation.setChangeListener(coordinate, listener);
        this.simulation.at(otherCoordinate).set(ALIVE);
        assertEquals(Collections.emptyList(), states);
        this.simulation.at(coordinate).set(ALIVE);
        this.simulation.at(otherCoordinate).set(DEAD);
        assertEquals(List.of(ALIVE), states);
        this.simulation.at(coordinate).set(ALIVE);
        this.simulation.at(otherCoordinate).set(ALIVE);
        this.simulation.at(coordinate).set(DEAD);
        assertEquals(List.of(ALIVE, ALIVE, DEAD), states);
    }

    @Test
    public void testSetGenerationNumberChangeListener() {
        List<Integer> values = new ArrayList<>();
        OnChangeListener<Integer> listener = (oldValue, newValue) -> values.add(newValue);
        simulation.setGenerationNumberChangeListener(listener);
        assertEquals(Collections.emptyList(), values);
        simulation.clear();
        assertEquals(List.of(0), values);
        simulation.updateToNextGeneration();
        assertEquals(List.of(0,1), values);
        simulation.updateToNextGeneration();
        simulation.updateToNextGeneration();
        assertEquals(List.of(0,1,2,3), values);
    }

    @Test
    public void testClear() {
        for (Coordinate coordinate : this.simulation) {
            this.simulation.at(coordinate).set(ALIVE);
        }
        this.simulation.clear();
        for (Coordinate coordinate : this.simulation) {
            assertEquals(DEAD, this.simulation.at(coordinate).get());
        }
    }

    @Test
    public void testReset() {
        randomGenerator.setSeed(321);
        this.simulation.reset();
        int count = 0;
        for (Coordinate coordinate : this.simulation) {
            if (this.simulation.at(coordinate).get().equals(ALIVE)) {
                count = count + 1;
            }
        }
        assertEquals(7, count);
    }
}
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src/test/java/model/GridTest.java

deleted100644 → 0
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package model;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class GridTest {
  private Grid grid;

  @BeforeEach
  public void initializeGrid() {
    grid = new Grid(6, 6);
  }

  @Test
  public void testGetNeighbours() {
    assertThat(grid.getNeighbors(1, 1)).isNotNull();
    assertThat(grid.getNeighbors(1, 1)).hasSize(8);
    assertThat(grid.getNeighbors(1, 1))
            .containsExactlyInAnyOrder(grid.getCell(0, 0),
                    grid.getCell(0, 1),
                    grid.getCell(0, 2),
                    grid.getCell(1, 0),
                    grid.getCell(1, 2),
                    grid.getCell(2, 0),
                    grid.getCell(2, 1),
                    grid.getCell(2, 2));
  }

  @Test
  public void testCountAliveNeighbours() {
    assertThat(grid.countAliveNeighbors(1, 1)).isEqualTo(0);
    grid.getCell(2, 2).setState(CellState.ALIVE);
    grid.getCell(0, 0).setState(CellState.ALIVE);
    assertThat(grid.countAliveNeighbors(1, 1)).isEqualTo(2);
  }

  @Test
  public void testCalculateNextState() {
    grid.getCell(1, 0).setState(CellState.ALIVE);
    grid.getCell(1, 1).setState(CellState.ALIVE);
    grid.getCell(1, 2).setState(CellState.ALIVE);
    assertThat(grid.calculateNextState(0, 0).isAlive).isFalse();
    assertThat(grid.calculateNextState(1, 0).isAlive).isFalse();
    assertThat(grid.calculateNextState(1, 1).isAlive).isTrue();
    assertThat(grid.calculateNextState(2, 1).isAlive).isTrue();
  }

}
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package model;

import matrix.Coordinate;
import model.automata.GameOfLifeAutomaton;
import model.automata.GameOfLifeState;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import java.util.Random;

import static model.automata.GameOfLifeState.ALIVE;
import static model.automata.GameOfLifeState.DEAD;
import static org.junit.jupiter.api.Assertions.*;

class NextGenerationInitializerTest {

    private final CellularAutomatonSimulation<GameOfLifeState> simulation =
            new CellularAutomatonSimulation<>(
                    new GameOfLifeAutomaton(4,3),
                    new Random()
                    );
    private final NextGenerationInitializer<GameOfLifeState> initializer =
            new NextGenerationInitializer<>(this.simulation);

    @BeforeEach
    public void prepareSimulation() {
        GameOfLifeState[][] state =
                { { DEAD, DEAD, DEAD, DEAD }
                , { ALIVE, ALIVE, DEAD, DEAD }
                , { DEAD, DEAD, ALIVE, DEAD }
                };
        for (Coordinate coordinate : this.simulation) {
            this.simulation.at(coordinate).set(state[coordinate.y()][coordinate.x()]);
        }
    }

    @Test
    void initialValueAt() {
        assertEquals(DEAD, initializer.initialValueAt(Coordinate.of(0,1)));
        assertEquals(ALIVE, initializer.initialValueAt(Coordinate.of(1,0)));
        assertEquals(ALIVE, initializer.initialValueAt(Coordinate.of(1,1)));
        assertEquals(ALIVE, initializer.initialValueAt(Coordinate.of(1,2)));
        assertEquals(DEAD, initializer.initialValueAt(Coordinate.of(2,2)));
    }

    @Test
    public void testWrapCoordinateInsideGrid() {
        Coordinate coordinate = Coordinate.of(1, 1);
        Coordinate wrapped = initializer.wrap(coordinate);
        assertEquals(coordinate, wrapped);
    }

    @Test
    public void testWrapCoordinateOutsideGrid() {
        assertEquals(
                Coordinate.of(0, 1),
                initializer.wrap(Coordinate.of(4, 4))
        );
        assertEquals(
                Coordinate.of(3, 2),
                initializer.wrap(Coordinate.of(-1, 2))
        );
         assertEquals(
                Coordinate.of(3, 2),
                initializer.wrap(Coordinate.of(-1, -1))
        );   }

    @Test
    public void testModuloPositive() {
        int result = NextGenerationInitializer.modulo(7, 4);
        assertEquals(3, result);
    }

    @Test
    public void testModuloNegative() {
        int result = NextGenerationInitializer.modulo(-7, 4);
        assertEquals(1, result);
    }


}
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Original line number Diff line number Diff line
package model;

import org.junit.jupiter.api.Test;

import java.util.List;

import static model.State.count;
import static org.junit.jupiter.api.Assertions.*;

class StateTest {
    @Test
    public void testCountMethodWithInteger() {
        List<Integer> neighbours = List.of(1, 2, 1, 3, 1);
        int result = count(1, neighbours);
        assertEquals(3, result);
    }

    @Test
    public void testCountMethodWithString() {
        List<String> neighbours = List.of("apple", "banana", "apple", "cherry", "apple");
        int result = count("apple", neighbours);
        assertEquals(3, result);
    }

    @Test
    public void testCountMethodWithEmptyList() {
        List<Double> neighbours = List.of();
        int result = count(5.0, neighbours);
        assertEquals(0, result);
    }

    @Test
    public void testCountMethodWithNoMatchingElements() {
        List<Character> neighbours = List.of('a', 'b', 'c');
        int result = count('x', neighbours);
        assertEquals(0, result);
    }

}
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Original line number Diff line number Diff line
package model.automata;

import javafx.scene.paint.Color;
import model.State;
import org.junit.jupiter.api.Test;

import java.util.List;

import static model.automata.GameOfLifeState.*;
import static org.junit.jupiter.api.Assertions.*;

class GameOfLifeStateTest {
    @Test
    public void testGetColor() {
        assertEquals(Color.WHITE, DEAD.getColor());
        assertEquals(Color.RED, ALIVE.getColor());
    }

    @Test
    public void testNext() {
        assertEquals(ALIVE.next(), DEAD);
        assertEquals(DEAD.next(), ALIVE);
    }

    @Test
    public void testAliveUpdate() {
        // Test with three alive neighbors, should be ALIVE
        List<GameOfLifeState> aliveNeighbors =
                List.of(ALIVE, DEAD, ALIVE, DEAD, ALIVE);
        assertEquals(ALIVE, ALIVE.update(aliveNeighbors));

        // Test with two alive neighbors, should be ALIVE
        List<GameOfLifeState> twoAliveNeighbors =
                List.of(ALIVE, DEAD, ALIVE, DEAD, DEAD);
        assertEquals(ALIVE, ALIVE.update(twoAliveNeighbors));

        // Test with four alive neighbors, should be DEAD
        List<GameOfLifeState> fourAliveNeighbors =
                List.of(ALIVE, ALIVE, DEAD, ALIVE, ALIVE);
        assertEquals(DEAD, ALIVE.update(fourAliveNeighbors));

        // Test with zero alive neighbors, should be DEAD
        List<GameOfLifeState> zeroAliveNeighbors =
                List.of(DEAD, DEAD, DEAD, DEAD);
        assertEquals(DEAD, ALIVE.update(zeroAliveNeighbors));
    }

    @Test
    public void testDeadUpdate() {
        // Test with three alive neighbors, should be ALIVE
        List<GameOfLifeState> aliveNeighbors =
                List.of(ALIVE, DEAD, ALIVE, DEAD, ALIVE);
        assertEquals(ALIVE, DEAD.update(aliveNeighbors));

        // Test with two alive neighbors, should be DEAD
        List<GameOfLifeState> twoAliveNeighbors =
                List.of(ALIVE, DEAD, ALIVE, DEAD, DEAD);
        assertEquals(DEAD, DEAD.update(twoAliveNeighbors));

        // Test with four alive neighbors, should be DEAD
        List<GameOfLifeState> fourAliveNeighbors =
                List.of(ALIVE, ALIVE, DEAD, ALIVE, ALIVE);
        assertEquals(DEAD, DEAD.update(fourAliveNeighbors));

        // Test with zero alive neighbors, should be DEAD
        List<GameOfLifeState> zeroAliveNeighbors =
                List.of(DEAD, DEAD, DEAD, DEAD);
        assertEquals(DEAD, DEAD.update(zeroAliveNeighbors));
    }
}
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