validate creation date

src/main/java/hs/fulda/de/ci/exam/project/FrontDeskOfficer.java

@@ -37,5 +37,6 @@ public class FrontDeskOfficer extends Person{
     public void validateItinerary(Itinerary itinerary){
         itinerary.validateStartAirport();
         itinerary.validateFinalAirport();
+        itinerary.validateCreationDate();
     }
 }

src/main/java/hs/fulda/de/ci/exam/project/Itinerary.java

@@ -82,5 +82,9 @@ public class Itinerary {
         if(this.final_airport.getName().isBlank())
             throw new RuntimeException(("Destination Airport Cannot be null or empty"));
     }
+    public void validateCreationDate() {
+        if(this.creationDate.equals(null))
+            throw new RuntimeException(("Creation Date should not be null or empty"));
+    }
 }
 

src/test/java/hs/fulda/de/ci/exam/project/FrontDeskOfficerTest.java

@@ -36,7 +36,7 @@ public class FrontDeskOfficerTest {
     @DisplayName("Should Not Create Itinerary when Destination Airport is null")
     public void shouldThrowRuntimeExceptionWhenFinalAirportIsNull(){
         assertThrows(RuntimeException.class, () -> {
-            frontDeskOfficer.createItinerary(airport_fr, null, new Date());
+            frontDeskOfficer.createItinerary(airport_fr, airport_be, null);
         });
     }
 }