@Override
  public boolean isContentOpen() {
    return resolvedFileObject.isContentOpen();
  }
@Test
  public void testDelegatesIsContentOpen() {
    when( resolvedFileObject.isContentOpen() ).thenReturn( true );

    assertTrue( fileObject.isContentOpen() );

    when( resolvedFileObject.isContentOpen() ).thenReturn( false );

    assertFalse( fileObject.isContentOpen() );

    verify( resolvedFileObject, times( 2 ) ).isContentOpen();
  }