[rustc.git] / src / test / ui / iterators / iter-position-overflow-debug.rs

// run-pass
// only-32bit too impatient for 2⁶⁴ items
// needs-unwind
// compile-flags: -C debug_assertions=yes -C opt-level=3

use std::panic;

fn main() {
    let n = usize::MAX as u64;
    assert_eq!((0..).by_ref().position(|i| i >= n), Some(usize::MAX));

    let r = panic::catch_unwind(|| {
        (0..).by_ref().position(|i| i > n)
    });
    assert!(r.is_err());

    let r = panic::catch_unwind(|| {
        (0..=n + 1).by_ref().position(|_| false)
    });
    assert!(r.is_err());
}
Commit	Line	Data
e1599b0c XL	1	// run-pass
e1599b0c XL	2	// only-32bit too impatient for 2⁶⁴ items
a2a8927a	3	// needs-unwind
e1599b0c XL	4	// compile-flags: -C debug_assertions=yes -C opt-level=3
	5
	6	use std::panic;
e1599b0c XL	7
e1599b0c XL	8	fn main() {
fc512014 XL	9	let n = usize::MAX as u64;
fc512014 XL	10	assert_eq!((0..).by_ref().position(\|i\| i >= n), Some(usize::MAX));
e1599b0c XL	11
	12	let r = panic::catch_unwind(\|\| {
	13	(0..).by_ref().position(\|i\| i > n)
	14	});
	15	assert!(r.is_err());
	16
	17	let r = panic::catch_unwind(\|\| {
	18	(0..=n + 1).by_ref().position(\|_\| false)
	19	});
	20	assert!(r.is_err());
	21	}