MP4: Add test for empty ilst

src/lib.rs

@@ -169,6 +169,8 @@
 )]
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
+// TODO: Give 1.62.0 some time, and start using #[default] on enums
+
 pub mod ape;
 pub mod error;
 pub(crate) mod file;

src/mp4/read.rs

@@ -167,3 +167,22 @@ where
 		},
 	}
 }
+
+#[cfg(test)]
+mod tests {
+	use crate::mp4::{Ilst, Mp4File};
+	use crate::tag::utils::test_utils;
+	use crate::AudioFile;
+	use std::io::Cursor;
+
+	#[test]
+	fn zero_sized_ilst() {
+		let file = Mp4File::read_from(
+			&mut Cursor::new(test_utils::read_path("tests/files/assets/zero/zero.ilst")),
+			false,
+		)
+		.unwrap();
+
+		assert_eq!(file.ilst, Some(Ilst::default()));
+	}
+}