Rollup merge of #143202 - Kivooeo:tf18, r=tgross35

`tests/ui`: A New Order [18/N]

> [!NOTE]
>
> Intermediate commits are intended to help review, but will be squashed prior to merge.

Some `tests/ui/` housekeeping, to trim down number of tests directly under `tests/ui/`. Part of rust-lang/rust#133895.

r? `@tgross35`

1 files changed, 34 insertions, 0 deletions

diff --git a/tests/ui/parser/nested-block-comments.rs b/tests/ui/parser/nested-block-comments.rs
new file mode 100644
index 00000000000..8fe77896361
--- /dev/null
+++ b/tests/ui/parser/nested-block-comments.rs
@@ -0,0 +1,34 @@
+//! Test that nested block comments are properly supported by the parser.
+//!
+//! See <https://github.com/rust-lang/rust/issues/66>.
+
+//@ run-pass
+
+/* This test checks that nested comments are supported
+
+   /* This is a nested comment
+      /* And this is even more deeply nested */
+      Back to the first level of nesting
+   */
+
+   /* Another nested comment at the same level */
+*/
+
+/* Additional test cases for nested comments */
+
+#[rustfmt::skip]
+/*
+    /* Level 1
+        /* Level 2
+            /* Level 3 */
+         */
+    */
+*/
+
+pub fn main() {
+    // Check that code after nested comments works correctly
+    let _x = 42;
+
+    /* Even inline /* nested */ comments work */
+    let _y = /* nested /* comment */ test */ 100;
+}