From b119189075d13d34bb39636a265791eb7113c4b7 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Fri, 1 Mar 2024 15:32:24 +0100
Subject: [PATCH] Add regression test for #121772

---
 tests/rustdoc/trait-item-info.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 tests/rustdoc/trait-item-info.rs

diff --git a/tests/rustdoc/trait-item-info.rs b/tests/rustdoc/trait-item-info.rs
new file mode 100644
index 00000000000..53a4c6917b9
--- /dev/null
+++ b/tests/rustdoc/trait-item-info.rs
@@ -0,0 +1,24 @@
+// This is a regression test for <https://github.com/rust-lang/rust/issues/121772>.
+// The goal is to ensure that the item information is always part of the `<summary>`
+// if there is one.
+
+#![crate_name = "foo"]
+#![feature(staged_api)]
+
+#![unstable(feature = "test", issue = "none")]
+
+// @has 'foo/trait.Foo.html'
+
+#[stable(feature = "rust2", since = "2.2.2")]
+pub trait Foo {
+    // @has - '//div[@class="methods"]/span[@class="item-info"]' 'bla'
+    // Should not be in a `<details>` because there is no doc.
+    #[unstable(feature = "bla", reason = "bla", issue = "111")]
+    fn bla() {}
+
+    // @has - '//details[@class="toggle method-toggle"]/summary/span[@class="item-info"]' 'bar'
+    // Should have a `<summary>` in the `<details>` containing the unstable info.
+    /// doc
+    #[unstable(feature = "bar", reason = "bla", issue = "222")]
+    fn bar() {}
+}