[audio] fix: id3v2 parsing

um_audio/src/lib.rs

@@ -129,3 +129,15 @@ pub fn detect_audio_type(buffer: &[u8]) -> Result<AudioType, AudioError> {
 
     Ok(AudioType::Unknown)
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::{detect_audio_type, AudioType};
+
+    #[test]
+    fn test_mp3() {
+        let mp3_data = include_bytes!("__fixtures__/mp3_with_id3v2.bin");
+        let result = detect_audio_type(mp3_data).expect("failed to parse mp3");
+        assert_eq!(result, AudioType::MP3);
+    }
+}