}

  #[test]
  fn av1_in_mp4_is_rejected() {
    assert!(Media::check_mp4_codec(Path::new("examples/av1.mp4")).is_err(),);
  }

  #[test]
  fn no_duplicate_exensions() {
    let mut set = HashSet::new();
    for (_, _, _, extensions) in Media::TABLE {
      for extension in *extensions {
        assert!(set.insert(extension), "duplicate extension `{extension}`");
      }
    }
  }
}