diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/tools/miri/tests/pass/vec.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/tools/miri/tests/pass/vec.rs b/src/tools/miri/tests/pass/vec.rs index a165c7c2fe7..fb1d8e306f2 100644 --- a/src/tools/miri/tests/pass/vec.rs +++ b/src/tools/miri/tests/pass/vec.rs @@ -1,4 +1,6 @@ //@compile-flags: -Zmiri-strict-provenance +#![feature(iter_advance_by, iter_next_chunk)] + // Gather all references from a mutable iterator and make sure Miri notices if // using them is dangerous. fn test_all_refs<'a, T: 'a>(dummy: &mut T, iter: impl Iterator<Item = &'a mut T>) { @@ -44,6 +46,18 @@ fn vec_into_iter_zst() { for _ in vec![[0u64; 0]].into_iter() {} let v = vec![[0u64; 0], [0u64; 0]].into_iter().map(|x| x.len()).sum::<usize>(); assert_eq!(v, 0); + + let mut it = vec![[0u64; 0], [0u64; 0]].into_iter(); + it.advance_by(1); + drop(it); + + let mut it = vec![[0u64; 0], [0u64; 0]].into_iter(); + it.next_chunk::<1>().unwrap(); + drop(it); + + let mut it = vec![[0u64; 0], [0u64; 0]].into_iter(); + it.next_chunk::<4>().unwrap_err(); + drop(it); } fn vec_into_iter_rev_zst() { |
