1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/pin_project/add-attr-to-struct.rs b/tests/ui/pin_project/add-attr-to-struct.rs
new file mode 100644
index 0000000..f5364fc
--- /dev/null
+++ b/tests/ui/pin_project/add-attr-to-struct.rs
@@ -0,0 +1,19 @@
+use auxiliary_macros::add_pin_attr;
+use pin_project::pin_project;
+use std::marker::PhantomPinned;
+
+#[pin_project]
+#[add_pin_attr(struct)] //~ ERROR duplicate #[pin] attribute
+struct Foo {
+    #[pin]
+    field: PhantomPinned,
+}
+
+#[add_pin_attr(struct)] //~ ERROR #[pin] attribute may only be used on fields of structs or variants
+#[pin_project]
+struct Bar {
+    #[pin]
+    field: PhantomPinned,
+}
+
+fn main() {}