Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 11 insertions, 0 deletions

diff --git a/third_party/rust/tokio/tests/stream_empty.rs b/third_party/rust/tokio/tests/stream_empty.rs
new file mode 100644
index 0000000000..f278076d1a
--- /dev/null
+++ b/third_party/rust/tokio/tests/stream_empty.rs
@@ -0,0 +1,11 @@
+use tokio::stream::{self, Stream, StreamExt};
+
+#[tokio::test]
+async fn basic_usage() {
+    let mut stream = stream::empty::<i32>();
+
+    for _ in 0..2 {
+        assert_eq!(stream.size_hint(), (0, Some(0)));
+        assert_eq!(None, stream.next().await);
+    }
+}