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-rw-r--r--rust/kernel/sync/atomic/predefine.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/rust/kernel/sync/atomic/predefine.rs b/rust/kernel/sync/atomic/predefine.rs
index 3fc99174b086..42067c6a266c 100644
--- a/rust/kernel/sync/atomic/predefine.rs
+++ b/rust/kernel/sync/atomic/predefine.rs
@@ -199,4 +199,20 @@ mod tests {
assert_eq!(v + 25, x.load(Relaxed));
});
}
+
+ #[test]
+ fn atomic_bool_tests() {
+ let x = Atomic::new(false);
+
+ assert_eq!(false, x.load(Relaxed));
+ x.store(true, Relaxed);
+ assert_eq!(true, x.load(Relaxed));
+
+ assert_eq!(true, x.xchg(false, Relaxed));
+ assert_eq!(false, x.load(Relaxed));
+
+ assert_eq!(Err(false), x.cmpxchg(true, true, Relaxed));
+ assert_eq!(false, x.load(Relaxed));
+ assert_eq!(Ok(false), x.cmpxchg(false, true, Full));
+ }
}