Function drop_below_removes_old

nodedb/src/control/array_sync/op_log.rs:385–393

()

    #[test]
    fn drop_below_removes_old() {
        let log = OriginOpLog::open_in_memory().unwrap();
        for ms in [10, 20, 30] {
            log.append(&make_op("a", ms)).unwrap();
        }
        let dropped = log.drop_below(hlc(20)).unwrap();
        assert_eq!(dropped, 1);
        assert_eq!(log.len().unwrap(), 2);
    }
}