@Test
public void getAddedAndRemoved() {
final EObject obj00 = EcoreUtil.create(eClass0);
final EObject obj1 = EcoreUtil.create(eClass1);
final EObject obj01 = EcoreUtil.create(eClass0);
final EObject obj02 = EcoreUtil.create(eClass0);
final List<Notification> messages = new ArrayList<Notification>();
obj1.eAdapters()
.add(
new AdapterImpl() {
@Override
public void notifyChanged(Notification msg) {
messages.add(msg);
}
});
// Add
obj1.eSet(multiRef, Arrays.asList(new EObject[] {obj00, obj01}));
EMFUtils.setOrAdd(obj1, multiRef, obj02);
// Remove
final List list = (List) obj1.eGet(multiRef);
list.remove(obj00);
list.removeAll(Arrays.asList(new EObject[] {obj01, obj02}));
final List<EObject> addedObjects = new ArrayList<EObject>();
final List<EObject> removedObjects = new ArrayList<EObject>();
for (Notification msg : messages) {
addedObjects.addAll(EMFUtils.getAddedObjects(msg, obj00.getClass()));
removedObjects.addAll(EMFUtils.getRemovedObjects(msg, obj00.getClass()));
}
assertEquals(Arrays.asList(new EObject[] {obj00, obj01, obj02}), addedObjects);
assertEquals(Arrays.asList(new EObject[] {obj00, obj01, obj02}), removedObjects);
}
@Test
public void set() {
EObject obj0 = EcoreUtil.create(eClass0);
EObject obj1 = EcoreUtil.create(eClass1);
EMFUtils.setOrAdd(obj0, singleRef, obj1);
assertEquals(obj1, obj0.eGet(singleRef));
}
@Test
public void containingListAndIndex() {
EObject obj0 = EcoreUtil.create(eClass0);
assertNull(EMFUtils.getContainingList(obj0));
assertEquals(-1, EMFUtils.getIndexWithinParent(obj0));
EObject obj1 = EcoreUtil.create(eClass1);
assertNull(EMFUtils.getContainingList(obj1));
assertEquals(-1, EMFUtils.getIndexWithinParent(obj1));
EMFUtils.setOrAdd(obj1, multiRef, obj0);
assertTrue(obj1.eGet(multiRef) == EMFUtils.getContainingList(obj0));
assertEquals(0, EMFUtils.getIndexWithinParent(obj0));
}