mirror of https://github.com/rust-lang/rust
43 lines
1013 B
Rust
43 lines
1013 B
Rust
//@ run-pass
|
|
#![allow(unused_mut)]
|
|
#![allow(unused_assignments)]
|
|
|
|
use std::sync::mpsc::channel;
|
|
|
|
pub fn main() { test00(); }
|
|
|
|
fn test00() {
|
|
let mut r: isize = 0;
|
|
let mut sum: isize = 0;
|
|
let (tx, rx) = channel();
|
|
let mut tx0 = tx.clone();
|
|
let mut tx1 = tx.clone();
|
|
let mut tx2 = tx.clone();
|
|
let mut tx3 = tx.clone();
|
|
let number_of_messages: isize = 1000;
|
|
let mut i: isize = 0;
|
|
while i < number_of_messages {
|
|
tx0.send(i + 0).unwrap();
|
|
tx1.send(i + 0).unwrap();
|
|
tx2.send(i + 0).unwrap();
|
|
tx3.send(i + 0).unwrap();
|
|
i += 1;
|
|
}
|
|
i = 0;
|
|
while i < number_of_messages {
|
|
r = rx.recv().unwrap();
|
|
sum += r;
|
|
r = rx.recv().unwrap();
|
|
sum += r;
|
|
r = rx.recv().unwrap();
|
|
sum += r;
|
|
r = rx.recv().unwrap();
|
|
sum += r;
|
|
i += 1;
|
|
}
|
|
assert_eq!(sum, 1998000);
|
|
// assert (sum == 4 * ((number_of_messages *
|
|
// (number_of_messages - 1)) / 2));
|
|
|
|
}
|