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
|
use tokio::io::{split, AsyncRead, AsyncWrite, ReadHalf, WriteHalf};
use std::io;
use std::pin::Pin;
use std::task::{Context, Poll};
struct RW;
impl AsyncRead for RW {
fn poll_read(
self: Pin<&mut Self>,
_cx: &mut Context<'_>,
_buf: &mut [u8],
) -> Poll<io::Result<usize>> {
Poll::Ready(Ok(1))
}
}
impl AsyncWrite for RW {
fn poll_write(
self: Pin<&mut Self>,
_cx: &mut Context<'_>,
_buf: &[u8],
) -> Poll<Result<usize, io::Error>> {
Poll::Ready(Ok(1))
}
fn poll_flush(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Result<(), io::Error>> {
Poll::Ready(Ok(()))
}
fn poll_shutdown(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Result<(), io::Error>> {
Poll::Ready(Ok(()))
}
}
#[test]
fn is_send_and_sync() {
fn assert_bound<T: Send + Sync>() {}
assert_bound::<ReadHalf<RW>>();
assert_bound::<WriteHalf<RW>>();
}
#[test]
fn unsplit_ok() {
let (r, w) = split(RW);
r.unsplit(w);
}
#[test]
#[should_panic]
fn unsplit_err1() {
let (r, _) = split(RW);
let (_, w) = split(RW);
r.unsplit(w);
}
#[test]
#[should_panic]
fn unsplit_err2() {
let (_, w) = split(RW);
let (r, _) = split(RW);
r.unsplit(w);
}
|
