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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
commit | 631cd5845e8de329d0e227aaa707d7ea228b8f8f (patch) | |
tree | a1b87c8f8cad01cf18f7c5f57a08f102771ed303 /library/std/src/sync/mpsc | |
parent | Adding debian version 1.69.0+dfsg1-1. (diff) | |
download | rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.tar.xz rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.zip |
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/std/src/sync/mpsc')
-rw-r--r-- | library/std/src/sync/mpsc/sync_tests.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/library/std/src/sync/mpsc/sync_tests.rs b/library/std/src/sync/mpsc/sync_tests.rs index 9d2f92ffc..632709fd9 100644 --- a/library/std/src/sync/mpsc/sync_tests.rs +++ b/library/std/src/sync/mpsc/sync_tests.rs @@ -1,5 +1,6 @@ use super::*; use crate::env; +use crate::rc::Rc; use crate::sync::mpmc::SendTimeoutError; use crate::thread; use crate::time::Duration; @@ -656,3 +657,15 @@ fn issue_15761() { repro() } } + +#[test] +fn drop_unreceived() { + let (tx, rx) = sync_channel::<Rc<()>>(1); + let msg = Rc::new(()); + let weak = Rc::downgrade(&msg); + assert!(tx.send(msg).is_ok()); + drop(rx); + // Messages should be dropped immediately when the last receiver is destroyed. + assert!(weak.upgrade().is_none()); + drop(tx); +} |