summaryrefslogtreecommitdiffstats
path: root/third_party/rust/tokio/tests/io_panic.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/rust/tokio/tests/io_panic.rs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/tokio/tests/io_panic.rs')
-rw-r--r--third_party/rust/tokio/tests/io_panic.rs176
1 files changed, 176 insertions, 0 deletions
diff --git a/third_party/rust/tokio/tests/io_panic.rs b/third_party/rust/tokio/tests/io_panic.rs
new file mode 100644
index 0000000000..922d7c076e
--- /dev/null
+++ b/third_party/rust/tokio/tests/io_panic.rs
@@ -0,0 +1,176 @@
+#![warn(rust_2018_idioms)]
+#![cfg(all(feature = "full", not(tokio_wasi)))] // Wasi does not support panic recovery
+
+use std::task::{Context, Poll};
+use std::{error::Error, pin::Pin};
+use tokio::io::{self, split, AsyncRead, AsyncWrite, ReadBuf};
+
+mod support {
+ pub mod panic;
+}
+use support::panic::test_panic;
+
+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(()))
+ }
+}
+
+#[cfg(unix)]
+mod unix {
+ use std::os::unix::prelude::{AsRawFd, RawFd};
+
+ pub struct MockFd;
+
+ impl AsRawFd for MockFd {
+ fn as_raw_fd(&self) -> RawFd {
+ 0
+ }
+ }
+}
+
+#[test]
+fn read_buf_initialize_unfilled_to_panic_caller() -> Result<(), Box<dyn Error>> {
+ let panic_location_file = test_panic(|| {
+ let mut buffer = Vec::<u8>::new();
+ let mut read_buf = ReadBuf::new(&mut buffer);
+
+ read_buf.initialize_unfilled_to(2);
+ });
+
+ // The panic location should be in this file
+ assert_eq!(&panic_location_file.unwrap(), file!());
+
+ Ok(())
+}
+
+#[test]
+fn read_buf_advance_panic_caller() -> Result<(), Box<dyn Error>> {
+ let panic_location_file = test_panic(|| {
+ let mut buffer = Vec::<u8>::new();
+ let mut read_buf = ReadBuf::new(&mut buffer);
+
+ read_buf.advance(2);
+ });
+
+ // The panic location should be in this file
+ assert_eq!(&panic_location_file.unwrap(), file!());
+
+ Ok(())
+}
+
+#[test]
+fn read_buf_set_filled_panic_caller() -> Result<(), Box<dyn Error>> {
+ let panic_location_file = test_panic(|| {
+ let mut buffer = Vec::<u8>::new();
+ let mut read_buf = ReadBuf::new(&mut buffer);
+
+ read_buf.set_filled(2);
+ });
+
+ // The panic location should be in this file
+ assert_eq!(&panic_location_file.unwrap(), file!());
+
+ Ok(())
+}
+
+#[test]
+fn read_buf_put_slice_panic_caller() -> Result<(), Box<dyn Error>> {
+ let panic_location_file = test_panic(|| {
+ let mut buffer = Vec::<u8>::new();
+ let mut read_buf = ReadBuf::new(&mut buffer);
+
+ let new_slice = [0x40_u8, 0x41_u8];
+
+ read_buf.put_slice(&new_slice);
+ });
+
+ // The panic location should be in this file
+ assert_eq!(&panic_location_file.unwrap(), file!());
+
+ Ok(())
+}
+
+#[test]
+fn unsplit_panic_caller() -> Result<(), Box<dyn Error>> {
+ let panic_location_file = test_panic(|| {
+ let (r1, _w1) = split(RW);
+ let (_r2, w2) = split(RW);
+ r1.unsplit(w2);
+ });
+
+ // The panic location should be in this file
+ assert_eq!(&panic_location_file.unwrap(), file!());
+
+ Ok(())
+}
+
+#[test]
+#[cfg(unix)]
+fn async_fd_new_panic_caller() -> Result<(), Box<dyn Error>> {
+ use tokio::io::unix::AsyncFd;
+ use tokio::runtime::Builder;
+
+ let panic_location_file = test_panic(|| {
+ // Runtime without `enable_io` so it has no IO driver set.
+ let rt = Builder::new_current_thread().build().unwrap();
+ rt.block_on(async {
+ let fd = unix::MockFd;
+
+ let _ = AsyncFd::new(fd);
+ });
+ });
+
+ // The panic location should be in this file
+ assert_eq!(&panic_location_file.unwrap(), file!());
+
+ Ok(())
+}
+
+#[test]
+#[cfg(unix)]
+fn async_fd_with_interest_panic_caller() -> Result<(), Box<dyn Error>> {
+ use tokio::io::unix::AsyncFd;
+ use tokio::io::Interest;
+ use tokio::runtime::Builder;
+
+ let panic_location_file = test_panic(|| {
+ // Runtime without `enable_io` so it has no IO driver set.
+ let rt = Builder::new_current_thread().build().unwrap();
+ rt.block_on(async {
+ let fd = unix::MockFd;
+
+ let _ = AsyncFd::with_interest(fd, Interest::READABLE);
+ });
+ });
+
+ // The panic location should be in this file
+ assert_eq!(&panic_location_file.unwrap(), file!());
+
+ Ok(())
+}