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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/lint/lint-invalid-atomic-ordering-ptr.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/lint/lint-invalid-atomic-ordering-ptr.rs')
-rw-r--r--tests/ui/lint/lint-invalid-atomic-ordering-ptr.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/lint/lint-invalid-atomic-ordering-ptr.rs b/tests/ui/lint/lint-invalid-atomic-ordering-ptr.rs
new file mode 100644
index 00000000000..984f7edebd1
--- /dev/null
+++ b/tests/ui/lint/lint-invalid-atomic-ordering-ptr.rs
@@ -0,0 +1,30 @@
+// only-x86_64
+use std::sync::atomic::{AtomicPtr, Ordering};
+
+fn main() {
+    let ptr = &mut 5;
+    let other_ptr = &mut 10;
+    let x = AtomicPtr::new(ptr);
+
+    // 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);
+    //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
+    let _ = x.load(Ordering::AcqRel);
+    //~^ ERROR atomic loads cannot have `Release` or `AcqRel` ordering
+
+    // Allowed store ordering modes
+    x.store(other_ptr, Ordering::Release);
+    x.store(other_ptr, Ordering::SeqCst);
+    x.store(other_ptr, Ordering::Relaxed);
+
+    // Disallowed store ordering modes
+    x.store(other_ptr, Ordering::Acquire);
+    //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
+    x.store(other_ptr, Ordering::AcqRel);
+    //~^ ERROR atomic stores cannot have `Acquire` or `AcqRel` ordering
+}