Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/third_party/rust/tokio/tests/sync_errors.rs b/third_party/rust/tokio/tests/sync_errors.rs
new file mode 100644
index 0000000000..66e8f0c098
--- /dev/null
+++ b/third_party/rust/tokio/tests/sync_errors.rs
@@ -0,0 +1,27 @@
+#![warn(rust_2018_idioms)]
+#![cfg(feature = "full")]
+
+fn is_error<T: std::error::Error + Send + Sync>() {}
+
+#[test]
+fn mpsc_error_bound() {
+    use tokio::sync::mpsc::error;
+
+    is_error::<error::SendError<()>>();
+    is_error::<error::TrySendError<()>>();
+}
+
+#[test]
+fn oneshot_error_bound() {
+    use tokio::sync::oneshot::error;
+
+    is_error::<error::RecvError>();
+    is_error::<error::TryRecvError>();
+}
+
+#[test]
+fn watch_error_bound() {
+    use tokio::sync::watch::error;
+
+    is_error::<error::SendError<()>>();
+}