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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/tokio/tests/io_split.rs | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/tokio/tests/io_split.rs')
-rw-r--r-- | third_party/rust/tokio/tests/io_split.rs | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/third_party/rust/tokio/tests/io_split.rs b/third_party/rust/tokio/tests/io_split.rs new file mode 100644 index 0000000000..a0121667f7 --- /dev/null +++ b/third_party/rust/tokio/tests/io_split.rs @@ -0,0 +1,79 @@ +#![warn(rust_2018_idioms)] +#![cfg(feature = "full")] + +use tokio::io::{split, AsyncRead, AsyncWrite, ReadBuf, 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 ReadBuf<'_>, + ) -> Poll<io::Result<()>> { + buf.put_slice(&[b'z']); + Poll::Ready(Ok(())) + } +} + +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 split_stream_id() { + let (r1, w1) = split(RW); + let (r2, w2) = split(RW); + assert!(r1.is_pair_of(&w1)); + assert!(!r1.is_pair_of(&w2)); + assert!(r2.is_pair_of(&w2)); + assert!(!r2.is_pair_of(&w1)); +} + +#[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); +} |