Schreiben der Methoden nukeAll & isAlive (Alle Testfälle müssten jetzt funktionieren)
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@ -1,5 +1,4 @@
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public class Life implements ILife {
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private int width;
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private int height;
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private boolean[][] grid;
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@ -15,15 +14,13 @@ public class Life implements ILife {
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l = (Life) l.nextGeneration();
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}
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// Standard-Konstruktor -> Erstellt ein leeres Spielfeld mit Standardgröße
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public Life() {
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this.width = 5; // Standardbreite
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this.height = 5; // Standardhöhe
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this.width = 5;
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this.height = 5;
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this.grid = new boolean[width][height];
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nukeAll();
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}
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// Konstruktor mit Setup-String
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public Life(String[] setup) {
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this.height = setup.length;
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this.width = setup[0].length();
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@ -38,40 +35,44 @@ public class Life implements ILife {
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}
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}
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// Setzt alle Zellen auf "tot"
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@Override
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public void nukeAll() {
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for (int y = 0; y < height; y++) {
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for (int x = 0; x < width; x++) {
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grid[x][y] = false;
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}
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}
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}
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// Setzt eine Zelle auf "lebendig"
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@Override
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public void setAlive(int x, int y) {
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}
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// Setzt eine Zelle auf "tot"
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@Override
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public void setDead(int x, int y) {
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}
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@Override
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public boolean isAlive(int x, int y) {
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return isWithinBounds(x, y) && grid[x][y];
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return isInBounds(x, y) && grid[x][y];
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}
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// Berechnet die nächste Generation des Spielfelds
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@Override
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public ILife nextGeneration() {
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Life newLife = new Life(new String[height]); // Neues Life-Objekt mit gleicher Größe
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Life newLife = new Life();
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newLife.width = this.width;
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newLife.height = this.height;
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newLife.grid = new boolean[width][height];
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for (int y = 0; y < height; y++) {
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newLife.grid[y] = new boolean[width]; // Spalten anlegen
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for (int x = 0; x < width; x++) {
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int neighbors = countAliveNeighbors(x, y);
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if (isAlive(x, y)) {
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if (neighbors == 2 || neighbors == 3) {
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newLife.setAlive(x, y);
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} else {
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if (neighbors < 2 || neighbors > 3) {
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newLife.setDead(x, y);
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} else {
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newLife.setAlive(x, y);
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}
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} else {
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if (neighbors == 3) {
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@ -93,8 +94,8 @@ public class Life implements ILife {
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}
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return count;
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}
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private boolean isWithinBounds(int x, int y) {
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private boolean isInBounds(int x, int y) {
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return x >= 0 && x < width && y >= 0 && y < height;
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}
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}
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}
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@ -2,24 +2,19 @@ import org.junit.Test;
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import static org.junit.Assert.*;
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public class LifeTest {
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@Test
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public void createNewCell() {
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// Arrange: drei lebende Zellen
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Life l = new Life();
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l.setAlive(0, 0);
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l.setAlive(0, 1);
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l.setAlive(0, 2);
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// Act: Berechnung der Folgegeneration
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ILife nextGen = l.nextGeneration();
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// Assert: Rasterpunkt mit drei Nachbarn sollte jetzt leben
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assertTrue(nextGen.isAlive(1, 1));
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}
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@Test
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public void destroyLonelyCell() {
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Life l = new Life();
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@ -30,23 +25,18 @@ public class LifeTest {
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assertFalse(nextGen.isAlive(2, 2));
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}
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@Test
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public void keepAliveCell() {
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// Arrange: Eine Zelle mit zwei Nachbarn
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Life l = new Life();
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l.setAlive(1, 1);
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l.setAlive(1, 2);
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l.setAlive(2, 1);
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// Act: Nächste Generation berechnen
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ILife nextGen = l.nextGeneration();
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// Assert: Die Zelle bleibt am Leben
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assertTrue(nextGen.isAlive(1, 1));
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}
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@Test
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public void destroyCrowdedCell() {
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Life l = new Life();
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@ -60,5 +50,4 @@ public class LifeTest {
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assertFalse(nextGen.isAlive(1, 1));
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}
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}
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}
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