From a0b403894971022c28a4544f144310b873489cf5 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Fri, 13 Dec 2024 16:20:00 +0100
Subject: [PATCH] Add ui regression test for #134221

---
 .../doctest/comment-in-attr-134221.rs         | 23 ++++++++++++
 .../doctest/comment-in-attr-134221.stdout     | 36 +++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 tests/rustdoc-ui/doctest/comment-in-attr-134221.rs
 create mode 100644 tests/rustdoc-ui/doctest/comment-in-attr-134221.stdout

diff --git a/tests/rustdoc-ui/doctest/comment-in-attr-134221.rs b/tests/rustdoc-ui/doctest/comment-in-attr-134221.rs
new file mode 100644
index 0000000000000..15a09eb788bc0
--- /dev/null
+++ b/tests/rustdoc-ui/doctest/comment-in-attr-134221.rs
@@ -0,0 +1,23 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/134221>.
+// It checks that even if there are comments in the attributes, the attributes
+// will still be generated correctly (and therefore fail in this test).
+
+//@ compile-flags:--test --test-args --test-threads=1
+//@ failure-status: 101
+//@ normalize-stdout-test: "tests/rustdoc-ui" -> "$$DIR"
+//@ normalize-stdout-test: "finished in \d+\.\d+s" -> "finished in $$TIME"
+//@ normalize-stdout-test: ".rs:\d+:\d+" -> ".rs:$$LINE:$$COL"
+
+/*!
+```rust
+#![feature(
+  foo, //
+)]
+```
+
+```rust
+#![feature(
+  foo,
+)]
+```
+*/
diff --git a/tests/rustdoc-ui/doctest/comment-in-attr-134221.stdout b/tests/rustdoc-ui/doctest/comment-in-attr-134221.stdout
new file mode 100644
index 0000000000000..aa5a8262e858a
--- /dev/null
+++ b/tests/rustdoc-ui/doctest/comment-in-attr-134221.stdout
@@ -0,0 +1,36 @@
+
+running 2 tests
+test $DIR/doctest/comment-in-attr-134221.rs - (line 11) ... FAILED
+test $DIR/doctest/comment-in-attr-134221.rs - (line 17) ... FAILED
+
+failures:
+
+---- $DIR/doctest/comment-in-attr-134221.rs - (line 11) stdout ----
+error[E0635]: unknown feature `foo`
+  --> $DIR/doctest/comment-in-attr-134221.rs:$LINE:$COL
+   |
+LL |   foo, //
+   |   ^^^
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0635`.
+Couldn't compile the test.
+---- $DIR/doctest/comment-in-attr-134221.rs - (line 17) stdout ----
+error[E0635]: unknown feature `foo`
+  --> $DIR/doctest/comment-in-attr-134221.rs:$LINE:$COL
+   |
+LL |   foo,
+   |   ^^^
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0635`.
+Couldn't compile the test.
+
+failures:
+    $DIR/doctest/comment-in-attr-134221.rs - (line 11)
+    $DIR/doctest/comment-in-attr-134221.rs - (line 17)
+
+test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME
+