diff options
| -rw-r--r-- | src/test/ui/consts/const-size_of_val-align_of_val.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/test/ui/consts/const-size_of_val-align_of_val.rs b/src/test/ui/consts/const-size_of_val-align_of_val.rs index 5c0d7d94d64..5a78313c483 100644 --- a/src/test/ui/consts/const-size_of_val-align_of_val.rs +++ b/src/test/ui/consts/const-size_of_val-align_of_val.rs @@ -2,8 +2,9 @@ #![feature(const_size_of_val, const_align_of_val)] #![feature(const_size_of_val_raw, const_align_of_val_raw, layout_for_ptr)] +#![feature(const_slice_from_raw_parts)] -use std::mem; +use std::{mem, ptr}; struct Foo(u32); @@ -34,6 +35,8 @@ const ALIGN_OF_UGH: usize = mem::align_of_val(&UGH); const SIZE_OF_SLICE: usize = mem::size_of_val("foobar".as_bytes()); const SIZE_OF_DANGLING: usize = unsafe { mem::size_of_val_raw(0x100 as *const i32) }; +const SIZE_OF_BIG: usize = + unsafe { mem::size_of_val_raw(ptr::slice_from_raw_parts(0 as *const u8, isize::MAX as usize)) }; const ALIGN_OF_DANGLING: usize = unsafe { mem::align_of_val_raw(0x100 as *const i16) }; fn main() { @@ -46,6 +49,7 @@ fn main() { assert_eq!(ALIGN_OF_UGH, mem::align_of::<Ugh>()); assert_eq!(SIZE_OF_DANGLING, mem::size_of::<i32>()); + assert_eq!(SIZE_OF_BIG, isize::MAX as usize); assert_eq!(ALIGN_OF_DANGLING, mem::align_of::<i16>()); assert_eq!(SIZE_OF_SLICE, "foobar".len()); |