Function getset_existing_key

nodedb/src/engine/kv/engine_atomic.rs:618–625

()

    #[test]
    fn getset_existing_key() {
        let mut engine = make_engine();
        engine.put(1, "session", b"tok", b"old-token", 0, 1000, Surrogate::ZERO);
        let old = engine.getset(1, "session", b"tok", b"new-token", 1000);
        assert_eq!(old.as_deref(), Some(b"old-token".as_slice()));
        let val = engine.get(1, "session", b"tok", 1000);
        assert_eq!(val.as_deref(), Some(b"new-token".as_slice()));
    }
}