1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
extern crate pulse;
use std::thread;
use pulse::{Signal, TimeoutError};
pub fn timeout_ms<F>(f: F, max_ms: u32) where F: FnOnce() + Send + 'static {
let (signal_start, pulse_start) = Signal::new();
let (signal_end, pulse_end) = Signal::new();
let guard = thread::spawn(|| {
pulse_start.pulse();
f();
pulse_end.pulse();
});
signal_start.wait().unwrap();
match signal_end.wait_timeout_ms(max_ms) {
Err(TimeoutError::Timeout) => {
panic!("Timed out");
}
_ => ()
}
guard.join().unwrap();
}
#[test]
fn timeout_ms_no_timeout_ms() {
timeout_ms(|| {}, 100);
}
#[test]
#[should_panic]
fn timeout_ms_spin() {
timeout_ms(|| loop {}, 100);
}
#[test]
#[should_panic]
fn child_panics() {
timeout_ms(|| {
panic!("oh no!")
}, 100);
}