1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/rust/displaydoc/tests/std/enum_prefix.rs b/third_party/rust/displaydoc/tests/std/enum_prefix.rs
new file mode 100644
index 0000000000..1c5479118b
--- /dev/null
+++ b/third_party/rust/displaydoc/tests/std/enum_prefix.rs
@@ -0,0 +1,36 @@
+#![cfg_attr(not(feature = "std"), feature(lang_items, start))]
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[cfg_attr(not(feature = "std"), start)]
+fn start(_argc: isize, _argv: *const *const u8) -> isize {
+    0
+}
+#[lang = "eh_personality"]
+#[no_mangle]
+#[cfg(not(feature = "std"))]
+pub extern "C" fn rust_eh_personality() {}
+#[panic_handler]
+#[cfg(not(feature = "std"))]
+fn panic(_info: &core::panic::PanicInfo) -> ! {
+    unsafe {
+        libc::abort();
+    }
+}
+
+use displaydoc::Display;
+
+/// this type is pretty swell
+#[derive(Display)]
+#[prefix_enum_doc_attributes]
+enum TestType {
+    /// this variant is too
+    Variant1,
+
+    /// this variant is two
+    Variant2,
+}
+
+static_assertions::assert_impl_all!(label; TestType, core::fmt::Display);
+
+#[cfg(feature = "std")]
+fn main() {}