Explicitly test that data will stay available and can be retrieved
immediately via listen(), even if the future producing the data and
notifying the consumers was already run in the past.
Wasn't broken or anything, but helps with understanding IMO.
Signed-off-by: Stefan Reiter <s.rei...@proxmox.com>
---
Wasn't broken or anything, but helps with understanding IMO.
src/tools/broadcast_future.rs | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/src/tools/broadcast_future.rs b/src/tools/broadcast_future.rs
index 88b7aaab..7bfd83b7 100644
--- a/src/tools/broadcast_future.rs
+++ b/src/tools/broadcast_future.rs
@@ -166,4 +166,15 @@ fn test_broadcast_future() {
let result = CHECKSUM.load(Ordering::SeqCst);
assert_eq!(result, 3);
+
+ // the result stays available until the BroadcastFuture is dropped
+ rt.block_on(sender.listen()
+ .map_ok(|res| {
+ CHECKSUM.fetch_add(res*4, Ordering::SeqCst);
+ })
+ .map_err(|err| { panic!("got error {}", err); })
+ .map(|_| ()));
+
+ let result = CHECKSUM.load(Ordering::SeqCst);
+ assert_eq!(result, 7);
}
--
2.30.2
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