diff options
Diffstat (limited to 'src/test/ui/iterators/iter-position-overflow-ndebug.rs')
| -rw-r--r-- | src/test/ui/iterators/iter-position-overflow-ndebug.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/iterators/iter-position-overflow-ndebug.rs b/src/test/ui/iterators/iter-position-overflow-ndebug.rs new file mode 100644 index 000000000..e610c3559 --- /dev/null +++ b/src/test/ui/iterators/iter-position-overflow-ndebug.rs @@ -0,0 +1,10 @@ +// run-pass +// only-32bit too impatient for 2⁶⁴ items +// compile-flags: -C debug_assertions=no -C opt-level=3 + +fn main() { + let n = usize::MAX as u64; + assert_eq!((0..).by_ref().position(|i| i >= n), Some(usize::MAX)); + assert_eq!((0..).by_ref().position(|i| i > n), Some(0)); + assert_eq!((0..=n + 1).by_ref().position(|_| false), None); +} |