Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 22 insertions, 0 deletions

diff --git a/library/core/tests/waker.rs b/library/core/tests/waker.rs
new file mode 100644
index 000000000..38a3a0ada
--- /dev/null
+++ b/library/core/tests/waker.rs
@@ -0,0 +1,22 @@
+use std::ptr;
+use std::task::{RawWaker, RawWakerVTable, Waker};
+
+#[test]
+fn test_waker_getters() {
+    let raw_waker = RawWaker::new(ptr::invalid_mut(42usize), &WAKER_VTABLE);
+    assert_eq!(raw_waker.data() as usize, 42);
+    assert!(ptr::eq(raw_waker.vtable(), &WAKER_VTABLE));
+
+    let waker = unsafe { Waker::from_raw(raw_waker) };
+    let waker2 = waker.clone();
+    let raw_waker2 = waker2.as_raw();
+    assert_eq!(raw_waker2.data() as usize, 43);
+    assert!(ptr::eq(raw_waker2.vtable(), &WAKER_VTABLE));
+}
+
+static WAKER_VTABLE: RawWakerVTable = RawWakerVTable::new(
+    |data| RawWaker::new(ptr::invalid_mut(data as usize + 1), &WAKER_VTABLE),
+    |_| {},
+    |_| {},
+    |_| {},
+);