rust/tests/ui/iterators/iter-sum-overflow-overflow-checks.rs

//@ run-pass
//@ needs-unwind
//@ compile-flags: -C overflow-checks

use std::panic;

fn main() {
    let r = panic::catch_unwind(|| {
        [1, i32::MAX].iter().sum::<i32>();
    });
    assert!(r.is_err());

    let r = panic::catch_unwind(|| {
        [2, i32::MAX].iter().product::<i32>();
    });
    assert!(r.is_err());

    let r = panic::catch_unwind(|| {
        [1, i32::MAX].iter().cloned().sum::<i32>();
    });
    assert!(r.is_err());

    let r = panic::catch_unwind(|| {
        [2, i32::MAX].iter().cloned().product::<i32>();
    });
    assert!(r.is_err());
}