rust/tests/ui/threads-sendsync/task-comm-5.rs
2023-01-11 09:32:08 +00:00

18 lines
463 B
Rust

// run-pass
use std::sync::mpsc::channel;
pub fn main() { test00(); }
fn test00() {
let _r: isize = 0;
let mut sum: isize = 0;
let (tx, rx) = channel();
let number_of_messages: isize = 1000;
let mut i: isize = 0;
while i < number_of_messages { tx.send(i + 0).unwrap(); i += 1; }
i = 0;
while i < number_of_messages { sum += rx.recv().unwrap(); i += 1; }
assert_eq!(sum, number_of_messages * (number_of_messages - 1) / 2);
}