diff options
Diffstat (limited to 'third_party/rust/tokio/tests/io_read_exact.rs')
-rw-r--r-- | third_party/rust/tokio/tests/io_read_exact.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/third_party/rust/tokio/tests/io_read_exact.rs b/third_party/rust/tokio/tests/io_read_exact.rs new file mode 100644 index 0000000000..d0e659bd33 --- /dev/null +++ b/third_party/rust/tokio/tests/io_read_exact.rs @@ -0,0 +1,15 @@ +#![warn(rust_2018_idioms)] +#![cfg(feature = "full")] + +use tokio::io::AsyncReadExt; +use tokio_test::assert_ok; + +#[tokio::test] +async fn read_exact() { + let mut buf = Box::new([0; 8]); + let mut rd: &[u8] = b"hello world"; + + let n = assert_ok!(rd.read_exact(&mut buf[..]).await); + assert_eq!(n, 8); + assert_eq!(buf[..], b"hello wo"[..]); +} |