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
|
use std::cell::{Cell, RefCell};
use std::sync::{Arc, Mutex};
use std::thread;
use std::time::Duration;
#[test]
#[cfg_attr(any(target_os = "emscripten", target_os = "wasi"), ignore)] // no threads
#[cfg_attr(miri, ignore)] // Miri does not like the thread leak
fn sleep_very_long() {
let finished = Arc::new(Mutex::new(false));
let t_finished = finished.clone();
thread::spawn(move || {
thread::sleep(Duration::new(u64::MAX, 0));
*t_finished.lock().unwrap() = true;
});
thread::sleep(Duration::from_millis(100));
assert_eq!(*finished.lock().unwrap(), false);
}
#[test]
fn thread_local_containing_const_statements() {
// This exercises the `const $init:block` cases of the thread_local macro.
// Despite overlapping with expression syntax, the `const { ... }` is not
// parsed as `$init:expr`.
thread_local! {
static CELL: Cell<u32> = const {
let value = 1;
Cell::new(value)
};
static REFCELL: RefCell<u32> = const {
let value = 1;
RefCell::new(value)
};
}
assert_eq!(CELL.get(), 1);
assert_eq!(REFCELL.take(), 1);
}
#[test]
// Include an ignore list on purpose, so that new platforms don't miss it
#[cfg_attr(
any(
target_os = "redox",
target_os = "l4re",
target_env = "sgx",
target_os = "solid_asp3",
target_os = "teeos",
target_os = "wasi"
),
should_panic
)]
fn available_parallelism() {
// check that std::thread::available_parallelism() returns a valid value
assert!(thread::available_parallelism().is_ok());
}
|
