From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../lint-invalid-atomic-ordering-fetch-update.rs | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/test/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs (limited to 'src/test/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs') diff --git a/src/test/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs b/src/test/ui/lint/lint-invalid-atomic-ordering-fetch-update.rs new file mode 100644 index 000000000..734b63324 --- /dev/null +++ b/src/test/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` + +} -- cgit v1.2.3