Function update

clock-bound/src/daemon/clock_sync_algorithm/selector.rs:238–265

(
        #[case] first: ClockParameters,
        #[case] second: event::Ntp,
        #[case] period: Period,
        #[case] max_dispersion: Skew,
        #[case] expected: bool,
    )

        false
    )]
    fn update(
        #[case] first: ClockParameters,
        #[case] second: event::Ntp,
        #[case] period: Period,
        #[case] max_dispersion: Skew,
        #[case] expected: bool,
    ) {
        let val = ClockParameters {
            tsc_count: second.tsc_midpoint(),
            time: second
                .data()
                .server_recv_time
                .midpoint(second.data().server_send_time),
            clock_error_bound: second.calculate_clock_error_bound(period),
            period,
            period_max_error: Period::from_seconds(1e-11), // unused
            as_of_monotonic: Instant::from_days(1),        // unused
        };
        let mut selector = Selector {
            current: Some(SourceParams {
                clock_parameters: first,
                source_info: SourceInfo::Phc,
            }),
            max_dispersion_growth: max_dispersion,
        };
        let result = selector.update(&val, SourceInfo::Phc).is_some();
        assert_eq!(result, expected);
    }

    #[test]
    fn first_update_sets_current() {