viirya commented on code in PR #8097:
URL: https://github.com/apache/arrow-rs/pull/8097#discussion_r2263648290
##########
arrow-ipc/src/reader.rs:
##########
@@ -1740,6 +1753,40 @@ mod tests {
.unwrap()
}
+ #[test]
+ fn test_negative_meta_len_start_stream() {
+ let bytes = i32::to_le_bytes(-1);
+ let mut buf = vec![];
+ buf.extend(CONTINUATION_MARKER);
+ buf.extend(bytes);
+
+ let reader = StreamReader::try_new(Cursor::new(buf), None);
+ assert!(reader.is_err());
Review Comment:
```suggestion
let reader_err = StreamReader::try_new(Cursor::new(buf), None).err();
assert!(reader_err.is_some());
assert_eq!(
reader_err.unwrap().to_string(),
"Parser error: Invalid metadata length: -1"
);
```
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