src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs


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// run-pass
// ignore-wasm32-bare compiled with panic=abort by default
// compile-flags: -C overflow-checks

use std::panic;

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

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

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

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