diff options
Diffstat (limited to 'library/core/tests/waker.rs')
-rw-r--r-- | library/core/tests/waker.rs | 22 |
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), + |_| {}, + |_| {}, + |_| {}, +); |