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-rw-r--r--src/tools/clippy/tests/ui/missing_spin_loop.fixed28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/missing_spin_loop.fixed b/src/tools/clippy/tests/ui/missing_spin_loop.fixed
new file mode 100644
index 000000000..aa89e04d2
--- /dev/null
+++ b/src/tools/clippy/tests/ui/missing_spin_loop.fixed
@@ -0,0 +1,28 @@
+// run-rustfix
+#![warn(clippy::missing_spin_loop)]
+#![allow(clippy::bool_comparison)]
+#![allow(unused_braces)]
+
+use core::sync::atomic::{AtomicBool, Ordering};
+
+fn main() {
+ let b = AtomicBool::new(true);
+ // Those should lint
+ while b.load(Ordering::Acquire) { std::hint::spin_loop() }
+
+ while !b.load(Ordering::SeqCst) { std::hint::spin_loop() }
+
+ while b.load(Ordering::Acquire) == false { std::hint::spin_loop() }
+
+ while { true == b.load(Ordering::Acquire) } { std::hint::spin_loop() }
+
+ while b.compare_exchange(true, false, Ordering::Acquire, Ordering::Relaxed) != Ok(true) { std::hint::spin_loop() }
+
+ while Ok(false) != b.compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed) { std::hint::spin_loop() }
+
+ // This is OK, as the body is not empty
+ while b.load(Ordering::Acquire) {
+ std::hint::spin_loop()
+ }
+ // TODO: also match on loop+match or while let
+}