| //@ 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)); | |
| } |