usesuper::Cache;#[test]fnmetadata_priority_defaults_on_and_toggles(){// On by default.
assert!(Cache::with_capacity_bytes(1024).metadata_priority());// Builder turns it off and back on.
let off =Cache::with_capacity_bytes(1024).with_metadata_priority(false);assert!(!off.metadata_priority());assert!(off.with_metadata_priority(true).metadata_priority());}