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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/lint/lint-invalid-atomic-ordering-exchange-weak.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-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-exchange-weak.rs')
-rw-r--r-- | tests/ui/lint/lint-invalid-atomic-ordering-exchange-weak.rs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/ui/lint/lint-invalid-atomic-ordering-exchange-weak.rs b/tests/ui/lint/lint-invalid-atomic-ordering-exchange-weak.rs new file mode 100644 index 000000000..63204c725 --- /dev/null +++ b/tests/ui/lint/lint-invalid-atomic-ordering-exchange-weak.rs @@ -0,0 +1,50 @@ +// only-x86_64 +use std::sync::atomic::{AtomicPtr, Ordering}; + +fn main() { + let ptr = &mut 5; + let ptr2 = &mut 10; + // `compare_exchange_weak` testing + let x = AtomicPtr::new(ptr); + + // Allowed ordering combos + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Relaxed, Ordering::Relaxed); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Relaxed, Ordering::Acquire); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Relaxed, Ordering::SeqCst); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Acquire, Ordering::Relaxed); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Acquire, Ordering::Acquire); + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Acquire, Ordering::SeqCst); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Release, Ordering::Relaxed); + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Release, Ordering::Acquire); + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Release, Ordering::SeqCst); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::AcqRel, Ordering::Relaxed); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::AcqRel, Ordering::Acquire); + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::AcqRel, Ordering::SeqCst); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::SeqCst, Ordering::Relaxed); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::SeqCst, Ordering::Acquire); + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::SeqCst, Ordering::SeqCst); + + // AcqRel is always forbidden as a failure ordering + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Relaxed, Ordering::AcqRel); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Acquire, Ordering::AcqRel); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::Release, Ordering::AcqRel); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::AcqRel, Ordering::AcqRel); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + let _ = x.compare_exchange_weak(ptr2, ptr, Ordering::SeqCst, Ordering::AcqRel); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + + // Release is always forbidden as a failure ordering + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Relaxed, Ordering::Release); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Acquire, Ordering::Release); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::Release, Ordering::Release); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::AcqRel, Ordering::Release); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` + let _ = x.compare_exchange_weak(ptr, ptr2, Ordering::SeqCst, Ordering::Release); + //~^ ERROR `compare_exchange_weak`'s failure ordering may not be `Release` or `AcqRel` +} |