Document created under a placeless document Mustn't be a placeless.

If we create a placeless document (documentation) like below:

DocumentModel parent = session.createDocumentModel(null, "anyFile", "File");
parent = session.createDocument(parent);

parent.getParentRef()

will be equals to

null

which is the expected behaviour.

but if we create another file under it:

DocumentModel child = session.createDocumentModel(parent.getPathAsString(), "anyFile2", "File");
child = session.createDocument(child);

child.getParentRef()

will be equals to

null

which is not the expected behaviour.

child.getParentRef()

should be the its parent id (the id of anyFile document in our example).