Rollup merge of #70038 - DutchGhost:const-forget-tests, r=RalfJung

[rust.git] / src / libcore / tests / alloc.rs

diff --git a/src/libcore/tests/alloc.rs b/src/libcore/tests/alloc.rs
index 63537ba23d84dc0edfabc9384a45e7a7a2249b7b..c8592e40a69a0168016db92542748a8efded529b 100644 (file)
--- a/src/libcore/tests/alloc.rs
+++ b/src/libcore/tests/alloc.rs
@@ -1,10 +1,13 @@
 use core::alloc::Layout;
+use core::ptr::NonNull;
 
 #[test]
 fn const_unchecked_layout() {
     const SIZE: usize = 0x2000;
     const ALIGN: usize = 0x1000;
     const LAYOUT: Layout = unsafe { Layout::from_size_align_unchecked(SIZE, ALIGN) };
+    const DANGLING: NonNull<u8> = LAYOUT.dangling();
     assert_eq!(LAYOUT.size(), SIZE);
     assert_eq!(LAYOUT.align(), ALIGN);
+    assert_eq!(Some(DANGLING), NonNull::new(ALIGN as *mut u8));
 }