Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 1 deletions

diff --git a/library/core/tests/task.rs b/library/core/tests/task.rs
index d71fef9e5..56be30e92 100644
--- a/library/core/tests/task.rs
+++ b/library/core/tests/task.rs
@@ -1,4 +1,4 @@
-use core::task::Poll;
+use core::task::{Context, Poll, RawWaker, RawWakerVTable, Waker};
 
 #[test]
 fn poll_const() {
@@ -12,3 +12,18 @@ fn poll_const() {
     const IS_PENDING: bool = POLL.is_pending();
     assert!(IS_PENDING);
 }
+
+#[test]
+fn waker_const() {
+    const VOID_TABLE: RawWakerVTable = RawWakerVTable::new(|_| VOID_WAKER, |_| {}, |_| {}, |_| {});
+
+    const VOID_WAKER: RawWaker = RawWaker::new(&(), &VOID_TABLE);
+
+    static WAKER: Waker = unsafe { Waker::from_raw(VOID_WAKER) };
+
+    static CONTEXT: Context<'static> = Context::from_waker(&WAKER);
+
+    static WAKER_REF: &'static Waker = CONTEXT.waker();
+
+    WAKER_REF.wake_by_ref();
+}