@Override
  protected long doGetContentSize() throws Exception {
    return 0;
  }
@Test
  public void testDoGetContentSizeReturns0() throws Exception {
    // For coverage. This method is abstract and must be overridden, however, it's not supposed to be called,
    // given getContent is overridden and delegated to the resolved file object.
    assertEquals( 0, fileObject.doGetContentSize() );
  }