chore: checkpoint before Python removal

vendor/tokio/tests/task_builder.rs

@@ -0,0 +1,105 @@
+#![cfg(all(tokio_unstable, feature = "tracing"))]
+
+use std::rc::Rc;
+use tokio::task::{Builder, LocalSet};
+
+#[tokio::test]
+async fn spawn_with_name() {
+    let result = Builder::new()
+        .name("name")
+        .spawn(async { "task executed" })
+        .unwrap()
+        .await;
+
+    assert_eq!(result.unwrap(), "task executed");
+}
+
+#[tokio::test(flavor = "local")]
+async fn spawn_local_on_local_runtime() {
+    let result = Builder::new()
+        .spawn_local(async { "task executed" })
+        .unwrap()
+        .await;
+
+    assert_eq!(result.unwrap(), "task executed");
+}
+
+#[tokio::test]
+#[should_panic = "`spawn_local` called from outside of a `task::LocalSet` or `runtime::LocalRuntime`"]
+async fn spawn_local_panics_outside_local_set_or_local_runtime() {
+    let _ = Builder::new()
+        .spawn_local(async { "task executed" })
+        .unwrap()
+        .await;
+}
+
+#[tokio::test(flavor = "multi_thread")]
+#[should_panic = "`spawn_local` called from outside of a `task::LocalSet` or `runtime::LocalRuntime`"]
+async fn spawn_local_panics_in_multi_thread_runtime() {
+    let _ = Builder::new()
+        .spawn_local(async { "task executed" })
+        .unwrap()
+        .await;
+}
+
+#[tokio::test]
+async fn spawn_blocking_with_name() {
+    let result = Builder::new()
+        .name("name")
+        .spawn_blocking(|| "task executed")
+        .unwrap()
+        .await;
+
+    assert_eq!(result.unwrap(), "task executed");
+}
+
+#[tokio::test]
+async fn spawn_local_with_name() {
+    let unsend_data = Rc::new("task executed");
+    let result = LocalSet::new()
+        .run_until(async move {
+            Builder::new()
+                .name("name")
+                .spawn_local(async move { unsend_data })
+                .unwrap()
+                .await
+        })
+        .await;
+
+    assert_eq!(*result.unwrap(), "task executed");
+}
+
+#[tokio::test]
+async fn spawn_without_name() {
+    let result = Builder::new()
+        .spawn(async { "task executed" })
+        .unwrap()
+        .await;
+
+    assert_eq!(result.unwrap(), "task executed");
+}
+
+#[tokio::test]
+async fn spawn_blocking_without_name() {
+    let result = Builder::new()
+        .spawn_blocking(|| "task executed")
+        .unwrap()
+        .await;
+
+    assert_eq!(result.unwrap(), "task executed");
+}
+
+#[tokio::test]
+async fn spawn_local_without_name() {
+    let unsend_data = Rc::new("task executed");
+    let result = LocalSet::new()
+        .run_until(async move {
+            Builder::new()
+                .spawn_local(async move { unsend_data })
+                .unwrap()
+                .await
+        })
+        .await;
+
+    assert_eq!(*result.unwrap(), "task executed");
+}