Struct futures_test::task::WakeCounter

pub struct WakeCounter { /* fields omitted */ }

An implementation of Wake that tracks how many times it has been woken.

Examples

#![feature(futures_api)]
use futures_test::task::{panic_context, WakeCounter};

let wake_counter = WakeCounter::new();
let mut cx = panic_context();
let cx = &mut cx.with_waker(wake_counter.local_waker());

assert_eq!(wake_counter.count(), 0);

cx.waker().wake();
cx.waker().wake();

assert_eq!(wake_counter.count(), 2);

Methods

impl WakeCounter

pub fn new() -> WakeCounter

Create a new WakeCounter

pub fn local_waker(&self) -> &LocalWaker

Creates an associated LocalWaker. Every call to its wake and wake_local methods increments the counter.

pub fn count(&self) -> usize

Get the number of times this WakeCounter has been woken

Trait Implementations

impl Debug for WakeCounter

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

Formats the value using the given formatter.

impl Default for WakeCounter

fn default() -> Self

Returns the "default value" for a type.