/**
* Returns the group that is parent of the specified mockContact or null if no parent was found.
*
* @param mockContact the contact whose parent we're looking for.
* @return the MockContactGroup instance that mockContact belongs to or null if no parent was
* found.
*/
public MockContactGroup findContactParent(MockContact mockContact) {
if (contacts.contains(mockContact)) return this;
Iterator<ContactGroup> subGroupsIter = subgroups();
while (subGroupsIter.hasNext()) {
MockContactGroup subgroup = (MockContactGroup) subGroupsIter.next();
MockContactGroup parent = subgroup.findContactParent(mockContact);
if (parent != null) return parent;
}
return null;
}
