Struct FakeClock

pub struct FakeClock { /* private fields */ }

A fake clock that can be used in tests to give exact control over the time. For a code example, see the tests in sys_util/src/timerfd.rs.

Implementations

impl FakeClock

pub fn new() -> Self

pub fn now(&self) -> Self

Get the current time, according to this clock.

pub fn nanos(&self) -> u64

Get the current time in ns, according to this clock.

pub fn duration_since(&self, earlier: &Self) -> Duration

Get the duration since |earlier|, assuming that earlier < self.

pub fn add_event_fd(&mut self, deadline_ns: u64, fd: EventFd)

Register the event fd for a notification when self’s time is |deadline_ns|. Drop any existing events registered to the same raw fd.

pub fn add_ns(&mut self, ns: u64)

Trait Implementations

impl Debug for FakeClock

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.