From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/rust/tokio/tests/io_read_buf.rs | 36 +++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 third_party/rust/tokio/tests/io_read_buf.rs (limited to 'third_party/rust/tokio/tests/io_read_buf.rs') diff --git a/third_party/rust/tokio/tests/io_read_buf.rs b/third_party/rust/tokio/tests/io_read_buf.rs new file mode 100644 index 0000000000..0328168d7a --- /dev/null +++ b/third_party/rust/tokio/tests/io_read_buf.rs @@ -0,0 +1,36 @@ +#![warn(rust_2018_idioms)] +#![cfg(feature = "full")] + +use tokio::io::{AsyncRead, AsyncReadExt, ReadBuf}; +use tokio_test::assert_ok; + +use std::io; +use std::pin::Pin; +use std::task::{Context, Poll}; + +#[tokio::test] +async fn read_buf() { + struct Rd { + cnt: usize, + } + + impl AsyncRead for Rd { + fn poll_read( + mut self: Pin<&mut Self>, + _cx: &mut Context<'_>, + buf: &mut ReadBuf<'_>, + ) -> Poll> { + self.cnt += 1; + buf.put_slice(b"hello world"); + Poll::Ready(Ok(())) + } + } + + let mut buf = vec![]; + let mut rd = Rd { cnt: 0 }; + + let n = assert_ok!(rd.read_buf(&mut buf).await); + assert_eq!(1, rd.cnt); + assert_eq!(n, 11); + assert_eq!(buf[..], b"hello world"[..]); +} -- cgit v1.2.3