AIFF: Add zero-sized text chunks test

src/iff/aiff/read.rs

@@ -79,6 +79,10 @@ where
 			// so there's no need to replace anything we already read
 			#[cfg(feature = "aiff_text_chunks")]
 			b"COMT" if comments.is_empty() => {
+				if chunks.size < 2 {
+					continue;
+				}
+
 				let num_comments = data.read_u16::<BigEndian>()?;
 
 				for _ in 0..num_comments {

src/iff/aiff/tag.rs

@@ -539,4 +539,21 @@ mod tests {
 		);
 		assert!(aiff_text.comments.is_none());
 	}
+
+	#[test]
+	fn zero_sized_text_chunks() {
+		let tag_bytes =
+			crate::tag::utils::test_utils::read_path("tests/tags/assets/zero.aiff_text");
+
+		let aiff_text = super::super::read::read_from(&mut Cursor::new(tag_bytes), false)
+			.unwrap()
+			.text_chunks
+			.unwrap();
+
+		assert_eq!(aiff_text.name, Some(String::new()));
+		assert_eq!(aiff_text.author, Some(String::new()));
+		assert_eq!(aiff_text.annotations, Some(vec![String::new()]));
+		assert_eq!(aiff_text.comments, None); // Comments have additional information we need, so we ignore on empty
+		assert_eq!(aiff_text.copyright, Some(String::new()));
+	}
 }

tests/files/zero_sized.rs

@@ -9,7 +9,6 @@ use lofty::AudioFile;
 // TODO: zero-size vorbis comments
 // TODO: zero-size APE tag
 // TODO: zero-size ilst
-// TODO: zero-size AIFF text chunks
 
 fn read_file<A: AudioFile>(path: &str) -> bool {
 	let res = <A as AudioFile>::read_from(&mut std::fs::File::open(path).unwrap(), true);