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rust-clippy/tests/ui/atomic_ordering_int.rs

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2020-01-06 00:52:15 +00:00
#![warn(clippy::invalid_atomic_ordering)]
use std::sync::atomic::{AtomicI16, AtomicI32, AtomicI64, AtomicI8, AtomicIsize, Ordering};
fn main() {
// `AtomicI8` test cases
let x = AtomicI8::new(0);
// Allowed load ordering modes
let _ = x.load(Ordering::Acquire);
let _ = x.load(Ordering::SeqCst);
let _ = x.load(Ordering::Relaxed);
// Disallowed load ordering modes
let _ = x.load(Ordering::Release);
let _ = x.load(Ordering::AcqRel);
// Allowed store ordering modes
x.store(1, Ordering::Release);
x.store(1, Ordering::SeqCst);
x.store(1, Ordering::Relaxed);
// Disallowed store ordering modes
x.store(1, Ordering::Acquire);
x.store(1, Ordering::AcqRel);
// `AtomicI16` test cases
let x = AtomicI16::new(0);
let _ = x.load(Ordering::Acquire);
let _ = x.load(Ordering::SeqCst);
let _ = x.load(Ordering::Relaxed);
let _ = x.load(Ordering::Release);
let _ = x.load(Ordering::AcqRel);
x.store(1, Ordering::Release);
x.store(1, Ordering::SeqCst);
x.store(1, Ordering::Relaxed);
x.store(1, Ordering::Acquire);
x.store(1, Ordering::AcqRel);
// `AtomicI32` test cases
let x = AtomicI32::new(0);
let _ = x.load(Ordering::Acquire);
let _ = x.load(Ordering::SeqCst);
let _ = x.load(Ordering::Relaxed);
let _ = x.load(Ordering::Release);
let _ = x.load(Ordering::AcqRel);
x.store(1, Ordering::Release);
x.store(1, Ordering::SeqCst);
x.store(1, Ordering::Relaxed);
x.store(1, Ordering::Acquire);
x.store(1, Ordering::AcqRel);
// `AtomicI64` test cases
let x = AtomicI64::new(0);
let _ = x.load(Ordering::Acquire);
let _ = x.load(Ordering::SeqCst);
let _ = x.load(Ordering::Relaxed);
let _ = x.load(Ordering::Release);
let _ = x.load(Ordering::AcqRel);
x.store(1, Ordering::Release);
x.store(1, Ordering::SeqCst);
x.store(1, Ordering::Relaxed);
x.store(1, Ordering::Acquire);
x.store(1, Ordering::AcqRel);
// `AtomicIsize` test cases
let x = AtomicIsize::new(0);
let _ = x.load(Ordering::Acquire);
let _ = x.load(Ordering::SeqCst);
let _ = x.load(Ordering::Relaxed);
let _ = x.load(Ordering::Release);
let _ = x.load(Ordering::AcqRel);
x.store(1, Ordering::Release);
x.store(1, Ordering::SeqCst);
x.store(1, Ordering::Relaxed);
x.store(1, Ordering::Acquire);
x.store(1, Ordering::AcqRel);
}