rust/src/test/ui/iterators/iter-step-overflow-debug.rs
2020-06-10 01:35:47 +00:00

21 lines
476 B
Rust

// run-pass
// ignore-wasm32-bare compiled with panic=abort by default
// compile-flags: -C debug_assertions=yes
use std::panic;
fn main() {
let r = panic::catch_unwind(|| {
let mut it = u8::MAX..;
it.next().unwrap(); // 255
it.next().unwrap();
});
assert!(r.is_err());
let r = panic::catch_unwind(|| {
let mut it = i8::MAX..;
it.next().unwrap(); // 127
it.next().unwrap();
});
assert!(r.is_err());
}