macros: docs: only current_thread implements unhandled_panic for now

tokio-macros/src/lib.rs

@@ -209,15 +209,15 @@ use proc_macro::TokenStream;
 /// [`Builder::unhandled_panic`].
 ///
 /// ```ignore
-/// #[tokio::main(unhandled_panic = "shutdown_runtime")]
+/// #[tokio::main(flavor = "current_thread", unhandled_panic = "shutdown_runtime")]
 /// async fn main() {
 ///     let _ = tokio::spawn(async {
 ///         panic!("This panic will shutdown the runtime.");
 ///     }).await;
 /// }
 /// ```
 ///
-/// Equivalent code not using `#[tokio::test]`
+/// Equivalent code not using `#[tokio::main]`
 ///
 /// ```ignore
 /// fn main() {
@@ -468,7 +468,7 @@ pub fn main_rt(args: TokenStream, item: TokenStream) -> TokenStream {
 /// [`Builder::unhandled_panic`].
 ///
 /// ```ignore
-/// #[tokio::test(unhandled_panic = "shutdown_runtime")]
+/// #[tokio::test(flavor = "current_thread", unhandled_panic = "shutdown_runtime")]
 /// async fn my_test() {
 ///     let _ = tokio::spawn(async {
 ///         panic!("This panic will shutdown the runtime.");

tokio/tests/macros_test.rs

@@ -98,7 +98,7 @@ pub mod issue_5243 {
 pub mod macro_rt_arg_unhandled_panic {
     use tokio_test::assert_err;
 
-    #[tokio::test(unhandled_panic = "shutdown_runtime")]
+    #[tokio::test(flavor = "current_thread", unhandled_panic = "shutdown_runtime")]
     #[should_panic]
     async fn unhandled_panic_shutdown_runtime() {
         let _ = tokio::spawn(async {
@@ -107,7 +107,7 @@ pub mod macro_rt_arg_unhandled_panic {
         .await;
     }
 
-    #[tokio::test(unhandled_panic = "ignore")]
+    #[tokio::test(flavor = "current_thread", unhandled_panic = "ignore")]
     async fn unhandled_panic_ignore() {
         let rt = tokio::spawn(async {
             panic!("This panic should be forwarded to rt as an error.");