use std::thread;
use std::time::{Duration, Instant};
#[test]
fn single_trigger_first() {
let (trigger, listener) = triggered::trigger();
trigger.trigger();
listener.wait();
}
#[test]
fn single_listen_first() {
let (trigger, listener) = triggered::trigger();
let thread_handle = thread::spawn(move || {
thread::sleep(Duration::from_secs(1));
trigger.trigger();
});
listener.wait();
thread_handle.join().expect("Trigger thread panic");
}
#[test]
fn many_listeners_trigger_first() {
let (trigger, listener) = triggered::trigger();
let listener2 = listener.clone();
trigger.trigger();
let listener3 = listener2.clone();
listener.wait();
listener2.wait();
listener3.wait();
}
#[test]
fn many_listeners_listen_first() {
let (trigger, listener) = triggered::trigger();
let mut listeners = Vec::new();
for _ in 0..103 {
let listener = listener.clone();
listeners.push(thread::spawn(move || {
listener.wait();
Instant::now()
}));
}
thread::sleep(Duration::from_secs(1));
let trigger_instant = Instant::now();
trigger.trigger();
for listener in listeners {
let wakeup_instant = listener.join().expect("Listener task panicked");
assert!(trigger_instant < wakeup_instant);
}
}
#[test]
fn is_triggered() {
let (trigger, listener) = triggered::trigger();
assert!(!trigger.is_triggered());
assert!(!listener.is_triggered());
trigger.trigger();
assert!(trigger.is_triggered());
assert!(listener.is_triggered());
trigger.trigger();
assert!(trigger.is_triggered());
assert!(listener.is_triggered());
}