.unwrap()
      .index,
      0x030201,
    );
  }

  #[test]
  fn inscription_parent_with_four_byte_index_field_is_deserialized_correctly() {
    assert_eq!(
      Inscription {
        parent: Some(vec![
          0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
          0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
          0xff, 0xff, 0x01, 0x02, 0x03, 0x04,
        ]),
        ..Default::default()
      }
      .parent()
      .unwrap()
      .index,
      0x04030201,
    );
  }

  #[test]
  fn metadata_function_decodes_metadata() {
    assert_eq!(
      Inscription {
        metadata: Some(vec![0x44, 0, 1, 2, 3]),
        ..Default::default()
      }
      .metadata()
      .unwrap(),
      Value::Bytes(vec![0, 1, 2, 3]),
    );
  }

  #[test]
  fn metadata_function_returns_none_if_no_metadata() {
    assert_eq!(
      Inscription {
        metadata: None,
        ..Default::default()
      }
      .metadata(),