assert_eq!(inscription.pointer, None);

    let inscription = Inscription::from_file(
      Chain::Mainnet,
      file.path(),
      None,
      Some(0),
      None,
      None,
      false,
    )
    .unwrap();

    assert_eq!(inscription.pointer, Some(Vec::new()));

    let inscription = Inscription::from_file(
      Chain::Mainnet,
      file.path(),
      None,
      Some(1),
      None,
      None,
      false,
    )
    .unwrap();

    assert_eq!(inscription.pointer, Some(vec![1]));

    let inscription = Inscription::from_file(
      Chain::Mainnet,
      file.path(),
      None,
      Some(256),
      None,
      None,
      false,
    )
    .unwrap();

    assert_eq!(inscription.pointer, Some(vec![0, 1]));
  }

  #[test]
  fn hidden() {
    #[track_caller]
    fn case(content_type: Option<&str>, body: Option<&str>, expected: bool) {
      assert_eq!(
        Inscription {
          content_type: content_type.map(|content_type| content_type.as_bytes().into()),
          body: body.map(|content_type| content_type.as_bytes().into()),