Struct futures_test::task::RecordSpawner

pub struct RecordSpawner { /* fields omitted */ }

An implementation of Spawn that records any Futures spawned on it.

Examples

#![feature(async_await)]
use futures::task::SpawnExt;
use futures_test::task::RecordSpawner;

let mut recorder = RecordSpawner::new();
recorder.spawn(async { }).unwrap();
assert_eq!(recorder.spawned().len(), 1);

Methods

impl RecordSpawner

pub fn new() -> Self

Create a new instance

pub fn spawned(&self) -> &[FutureObj<'static, ()>]

Inspect any futures that were spawned onto this Spawn.

Trait Implementations

impl Default for RecordSpawner

fn default() -> Self

Returns the "default value" for a type.

impl Debug for RecordSpawner

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

Formats the value using the given formatter.

impl Spawn for RecordSpawner

fn spawn_obj(
    &mut self,
    future: FutureObj<'static, ()>
) -> Result<(), SpawnError>

Spawns a future that will be run to completion.

fn status(&self) -> Result<(), SpawnError>

Determines whether the executor is able to spawn new tasks.