fixes in Game.java and Track.java

src/main/java/ch/zhaw/pm2/racetrack/Game.java

@@ -125,6 +125,9 @@ public class Game implements GameSpecification {
      */
     @Override
     public int getWinner() {
+        if (onlyOneCarLeft()) {
+            return currentCarIndex;
+        }
         List<Car> cars = track.getCars();
         for (Car car : cars) {
             if (car.getWinPoints() == 1) {
@@ -184,15 +187,13 @@ public class Game implements GameSpecification {
     }
 
     public int gamePhase() throws PositionVectorNotValid {
-        while (getWinner() == NO_WINNER) {
+        while (CarsMoving() && getWinner() == NO_WINNER) {
             userInterface.printTrack(track);
             Direction direction = track.getCar(currentCarIndex).getMoveStrategy().nextMove();
             doCarTurn(direction);
-            if (allCarsCrashed()) {
-                return NO_WINNER;
-            }
             switchToNextActiveCar();
         }
+        userInterface.printTrack(track);
         return getWinner();
     }
 
@@ -336,12 +337,22 @@ public class Game implements GameSpecification {
         return track.willCrashAtPosition(carIndex, position);
     }
 
-    public boolean allCarsCrashed() { //TODO: Finish game when only one car left? or if all cars crashed?
+    public boolean onlyOneCarLeft() {
+        int carsLeft = 0;
         for(int carIndex = 0; carIndex < track.getCarCount(); carIndex ++) {
             if(! track.getCar(carIndex).isCrashed()) {
-                return false;
+                carsLeft++;
             }
         }
-        return true;
+        return !(carsLeft > 1);
+    }
+
+    public boolean CarsMoving() {
+        for(int carIndex = 0; carIndex < track.getCarCount(); carIndex ++) {
+            if(! (track.getCar(carIndex).isCrashed() || track.getCar(carIndex).getMoveStrategy().getClass() == DoNotMoveStrategy.class)) {
+                return true;
+            }
+        }
+        return false;
     }
 }