public void testIsEmptyEmpty() {
    final ContactsSource source = getSource();
    final DataKind kindPhone = source.getKindForMimetype(Phone.CONTENT_ITEM_TYPE);

    // Test entirely empty row
    final ContentValues after = new ContentValues();
    final ValuesDelta values = ValuesDelta.fromAfter(after);

    assertTrue("Expected empty", EntityModifier.isEmpty(values, kindPhone));
  }