Zwischen-Commit 03 (verbesserung countNeighbours+ Test 1 createNewCell grün)

src/Life.java

@@ -68,28 +68,28 @@ public class Life implements ILife {
         }
       }
     }
-    return null;
+    return nextLife;
   }
 
-  private int countNeigbours(int x, int y){
+
+  private int countNeigbours(int x, int y) {
     int count = 0;
-    if(isAlive(x-1, y-1)){
-        count ++;
-    }else if(isAlive(x-1, y)){
-      count ++;
-    }else if(isAlive(x-1, y+1)){
-      count++;
-    }else if(isAlive(x, y-1)){
-      count++;
-    }else if(isAlive(x, y+1)){
-      count++;
-    }else if(isAlive(x+1, y-1)){
-      count++;
-    }else if(isAlive(x+1, y)){
-      count++;
-    }else if(isAlive(x+1, y+1)){
-      count++;
+
+    for (int dx = -1; dx <= 1; dx++) {
+      for (int dy = -1; dy <= 1; dy++) {
+        if (dx == 0 && dy == 0) continue;
+
+        int nx = x + dx;
+        int ny = y + dy;
+
+        if (nx >= 0 && nx < GRIDSIZE && ny >= 0 && ny < GRIDSIZE) {
+          if (isAlive(nx, ny)) {
+            count++;
+          }
+        }
+      }
     }
     return count;
   }
+
 }

test/LifeTestNukeAll.java

@@ -0,0 +1,16 @@
+import junit.framework.TestCase;
+
+public class LifeTestNukeAll extends TestCase {
+
+    public static void main(String[] args) {
+        Life l = new Life(new String[] {  "     ",
+                "     ",
+                " *** ",
+                "     ",
+                "     " });
+        l = (Life) l.nextGeneration();
+    }
+
+    public void testNukeAll() {
+    }
+}