Function rejects_v2_oversize_length

gateway/src/pp.rs:266–278

()

    #[tokio::test]
    async fn rejects_v2_oversize_length() {
        // v2 prefix with a length field exceeding V2_MAX_LENGTH.
        let mut header = Vec::new();
        header.extend_from_slice(V2_PROTOCOL_PREFIX);
        header.extend_from_slice(&[0x21, 0x11]);
        // length = V2_MAX_LENGTH bytes -> total = MIN + that, blows the cap
        header.extend_from_slice(&(V2_MAX_LENGTH as u16).to_be_bytes());
        let err = read_proxy_header(&header[..]).await.unwrap_err();
        assert!(
            format!("{err:#}").contains("too long"),
            "unexpected error: {err:#}"
        );
    }

    #[test]
    fn synthesizes_unspec_when_no_addrs() {