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
|
#![cfg(not(target_os = "unknown"))]
use async_std::{future::ready, task::block_on};
#[test]
fn smoke() {
let res = block_on(async { 1 + 2 });
assert_eq!(res, 3);
}
#[test]
#[should_panic = "boom"]
fn panic() {
block_on(async {
// This panic should get propagated into the parent thread.
panic!("boom");
});
}
#[cfg(feature = "unstable")]
#[test]
fn nested_block_on_local() {
use async_std::task::spawn_local;
let x = block_on(async {
let a = block_on(async { block_on(async { ready(3).await }) });
let b = spawn_local(async { block_on(async { ready(2).await }) }).await;
let c = block_on(async { block_on(async { ready(1).await }) });
a + b + c
});
assert_eq!(x, 3 + 2 + 1);
let y = block_on(async {
let a = block_on(async { block_on(async { ready(3).await }) });
let b = spawn_local(async { block_on(async { ready(2).await }) }).await;
let c = block_on(async { block_on(async { ready(1).await }) });
a + b + c
});
assert_eq!(y, 3 + 2 + 1);
}
#[test]
fn nested_block_on() {
let x = block_on(async {
let a = block_on(async { block_on(async { ready(3).await }) });
let b = block_on(async { block_on(async { ready(2).await }) });
let c = block_on(async { block_on(async { ready(1).await }) });
a + b + c
});
assert_eq!(x, 3 + 2 + 1);
let y = block_on(async {
let a = block_on(async { block_on(async { ready(3).await }) });
let b = block_on(async { block_on(async { ready(2).await }) });
let c = block_on(async { block_on(async { ready(1).await }) });
a + b + c
});
assert_eq!(y, 3 + 2 + 1);
}
|
