30 lines
1.4 KiB
Rust
30 lines
1.4 KiB
Rust
use std::sync::atomic::{AtomicIsize, Ordering::*};
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static ATOMIC: AtomicIsize = AtomicIsize::new(0);
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fn main() {
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// Make sure trans can emit all the intrinsics correctly
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assert_eq!(ATOMIC.compare_exchange(0, 1, Relaxed, Relaxed), Ok(0));
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assert_eq!(ATOMIC.compare_exchange(0, 2, Acquire, Relaxed), Err(1));
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assert_eq!(ATOMIC.compare_exchange(0, 1, Release, Relaxed), Err(1));
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assert_eq!(ATOMIC.compare_exchange(1, 0, AcqRel, Relaxed), Ok(1));
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ATOMIC.compare_exchange(0, 1, SeqCst, Relaxed).ok();
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ATOMIC.compare_exchange(0, 1, Acquire, Acquire).ok();
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ATOMIC.compare_exchange(0, 1, AcqRel, Acquire).ok();
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ATOMIC.compare_exchange(0, 1, SeqCst, Acquire).ok();
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ATOMIC.compare_exchange(0, 1, SeqCst, SeqCst).ok();
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ATOMIC.store(0, SeqCst);
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assert_eq!(ATOMIC.compare_exchange_weak(0, 1, Relaxed, Relaxed), Ok(0));
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assert_eq!(ATOMIC.compare_exchange_weak(0, 2, Acquire, Relaxed), Err(1));
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assert_eq!(ATOMIC.compare_exchange_weak(0, 1, Release, Relaxed), Err(1));
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assert_eq!(ATOMIC.compare_exchange_weak(1, 0, AcqRel, Relaxed), Ok(1));
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ATOMIC.compare_exchange_weak(0, 1, AcqRel, Relaxed).ok();
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ATOMIC.compare_exchange_weak(0, 1, SeqCst, Relaxed).ok();
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ATOMIC.compare_exchange_weak(0, 1, Acquire, Acquire).ok();
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ATOMIC.compare_exchange_weak(0, 1, AcqRel, Acquire).ok();
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ATOMIC.compare_exchange_weak(0, 1, SeqCst, Acquire).ok();
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ATOMIC.compare_exchange_weak(0, 1, SeqCst, SeqCst).ok();
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}
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