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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs')
-rw-r--r--tests/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs49
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs b/tests/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs
new file mode 100644
index 000000000..734b63324
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+++ b/tests/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs
@@ -0,0 +1,49 @@
+// only-x86_64
+use std::sync::atomic::{AtomicIsize, Ordering};
+
+fn main() {
+ // `fetch_update` testing
+ let x = AtomicIsize::new(0);
+
+ // Allowed ordering combos
+ let _ = x.fetch_update(Ordering::Relaxed, Ordering::Relaxed, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::Relaxed, Ordering::Acquire, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::Relaxed, Ordering::SeqCst, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::Acquire, Ordering::Relaxed, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::Acquire, Ordering::Acquire, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::Acquire, Ordering::SeqCst, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::Release, Ordering::Relaxed, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::Release, Ordering::Acquire, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::Release, Ordering::SeqCst, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::AcqRel, Ordering::Relaxed, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::AcqRel, Ordering::Acquire, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::AcqRel, Ordering::SeqCst, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::SeqCst, Ordering::Relaxed, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::SeqCst, Ordering::Acquire, |old| Some(old + 1));
+ let _ = x.fetch_update(Ordering::SeqCst, Ordering::SeqCst, |old| Some(old + 1));
+
+ // AcqRel is always forbidden as a failure ordering
+ let _ = x.fetch_update(Ordering::Relaxed, Ordering::AcqRel, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+ let _ = x.fetch_update(Ordering::Acquire, Ordering::AcqRel, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+ let _ = x.fetch_update(Ordering::Release, Ordering::AcqRel, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+ let _ = x.fetch_update(Ordering::AcqRel, Ordering::AcqRel, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+ let _ = x.fetch_update(Ordering::SeqCst, Ordering::AcqRel, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+
+ // Release is always forbidden as a failure ordering
+ let _ = x.fetch_update(Ordering::Relaxed, Ordering::Release, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+ let _ = x.fetch_update(Ordering::Acquire, Ordering::Release, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+ let _ = x.fetch_update(Ordering::Release, Ordering::Release, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+ let _ = x.fetch_update(Ordering::AcqRel, Ordering::Release, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+ let _ = x.fetch_update(Ordering::SeqCst, Ordering::Release, |old| Some(old + 1));
+ //~^ ERROR `fetch_update`'s failure ordering may not be `Release` or `AcqRel`
+
+}