Function test_fnv1a

nodedb-query/src/msgpack_scan/sidecar.rs:538–545

Compute FNV-1a hash the same way the module does (duplicated in test for constructing colliding sidecar entries without exposing the private fn).

(s: &str)

    /// Compute FNV-1a hash the same way the module does (duplicated in test for
    /// constructing colliding sidecar entries without exposing the private fn).
    fn test_fnv1a(s: &str) -> u64 {
        let mut hash: u64 = 0xcbf29ce484222325;
        for &b in s.as_bytes() {
            hash ^= b as u64;
            hash = hash.wrapping_mul(0x100000001b3);
        }
        hash
    }

    /// Inject two sidecar entries with the same hash but different field names,
    /// then verify that lookup correctly returns the right value for each field