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// 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));
}
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