chore: checkpoint before Python removal

vendor/pin-project/tests/ui/pinned_drop/self.rs

@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+pub mod self_in_macro_def {
+    use std::pin::Pin;
+
+    use pin_project::{pin_project, pinned_drop};
+
+    #[pin_project(PinnedDrop)]
+    pub struct S {
+        f: (),
+    }
+
+    #[pinned_drop]
+    impl PinnedDrop for S {
+        fn drop(self: Pin<&mut Self>) {
+            macro_rules! t {
+                () => {{
+                    let _ = self; //~ ERROR E0434
+
+                    fn f(self: ()) {} //~ ERROR `self` parameter is only allowed in associated functions
+                }};
+            }
+            t!();
+        }
+    }
+}
+
+pub mod self_span {
+    use std::pin::Pin;
+
+    use pin_project::{pin_project, pinned_drop};
+
+    #[pin_project(PinnedDrop)]
+    pub struct S {
+        f: (),
+    }
+
+    #[pinned_drop]
+    impl PinnedDrop for S {
+        fn drop(self: Pin<&mut Self>) {
+            let _: () = self; //~ ERROR E0308
+            let _: Self = Self; //~ ERROR E0423
+        }
+    }
+
+    #[pin_project(PinnedDrop)]
+    pub enum E {
+        V { f: () },
+    }
+
+    #[pinned_drop]
+    impl PinnedDrop for E {
+        fn drop(self: Pin<&mut Self>) {
+            let _: () = self; //~ ERROR E0308
+            let _: Self = Self::V; //~ ERROR E0533
+        }
+    }
+}
+
+fn main() {}