fparkan/vendor/rayon/tests/drain_vec.rs

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use rayon::prelude::*;
#[test]
fn drain_vec_yielded() {
let mut vec_org = vec![0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
let yielded = vec_org.par_drain(0..5).collect::<Vec<_>>();
assert_eq!(&yielded, &[0, 1, 2, 3, 4]);
assert_eq!(&vec_org, &[5, 6, 7, 8, 9]);
}
#[test]
fn drain_vec_dropped() {
let mut vec_org = vec![0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
let yielded = vec_org.par_drain(0..5);
drop(yielded);
assert_eq!(&vec_org, &[5, 6, 7, 8, 9]);
}
#[test]
fn drain_vec_empty_range_yielded() {
let mut vec_org = vec![0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
let yielded = vec_org.par_drain(5..5).collect::<Vec<_>>();
assert_eq!(&yielded, &[]);
assert_eq!(&vec_org, &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
}
#[test]
fn drain_vec_empty_range_dropped() {
let mut vec_org = vec![0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
let yielded = vec_org.par_drain(5..5);
drop(yielded);
assert_eq!(&vec_org, &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
}