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extern crate env_logger;
extern crate futures;
extern crate tokio;
extern crate tokio_timer;
use tokio::prelude::*;
use tokio::runtime::{self, current_thread};
use tokio::timer::*;
use tokio_timer::clock::Clock;
use std::sync::mpsc;
use std::time::{Duration, Instant};
struct MockNow(Instant);
impl tokio_timer::clock::Now for MockNow {
fn now(&self) -> Instant {
self.0
}
}
#[test]
fn clock_and_timer_concurrent() {
let _ = env_logger::try_init();
let when = Instant::now() + Duration::from_millis(5_000);
let clock = Clock::new_with_now(MockNow(when));
let mut rt = runtime::Builder::new().clock(clock).build().unwrap();
let (tx, rx) = mpsc::channel();
rt.spawn({
Delay::new(when)
.map_err(|e| panic!("unexpected error; err={:?}", e))
.and_then(move |_| {
assert!(Instant::now() < when);
tx.send(()).unwrap();
Ok(())
})
});
rx.recv().unwrap();
}
#[test]
fn clock_and_timer_single_threaded() {
let _ = env_logger::try_init();
let when = Instant::now() + Duration::from_millis(5_000);
let clock = Clock::new_with_now(MockNow(when));
let mut rt = current_thread::Builder::new().clock(clock).build().unwrap();
rt.block_on({
Delay::new(when)
.map_err(|e| panic!("unexpected error; err={:?}", e))
.and_then(move |_| {
assert!(Instant::now() < when);
Ok(())
})
})
.unwrap();
}
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