diff options
Diffstat (limited to 'third_party/rust/tokio-stream/tests/stream_pending.rs')
-rw-r--r-- | third_party/rust/tokio-stream/tests/stream_pending.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/third_party/rust/tokio-stream/tests/stream_pending.rs b/third_party/rust/tokio-stream/tests/stream_pending.rs new file mode 100644 index 0000000000..87b5d03bda --- /dev/null +++ b/third_party/rust/tokio-stream/tests/stream_pending.rs @@ -0,0 +1,14 @@ +use tokio_stream::{self as stream, Stream, StreamExt}; +use tokio_test::{assert_pending, task}; + +#[tokio::test] +async fn basic_usage() { + let mut stream = stream::pending::<i32>(); + + for _ in 0..2 { + assert_eq!(stream.size_hint(), (0, None)); + + let mut next = task::spawn(async { stream.next().await }); + assert_pending!(next.poll()); + } +} |