src/test/run-pass/threads-sendsync/task-comm-9.rs

   1 // run-pass
   2 #![allow(unused_must_use)]
   3 // ignore-emscripten no threads support
   4
   5 use std::thread;
   6 use std::sync::mpsc::{channel, Sender};
   7
   8 pub fn main() { test00(); }
   9
  10 fn test00_start(c: &Sender<isize>, number_of_messages: isize) {
  11     let mut i: isize = 0;
  12     while i < number_of_messages { c.send(i + 0).unwrap(); i += 1; }
  13 }
  14
  15 fn test00() {
  16     let r: isize = 0;
  17     let mut sum: isize = 0;
  18     let (tx, rx) = channel();
  19     let number_of_messages: isize = 10;
  20
  21     let result = thread::spawn(move|| {
  22         test00_start(&tx, number_of_messages);
  23     });
  24
  25     let mut i: isize = 0;
  26     while i < number_of_messages {
  27         sum += rx.recv().unwrap();
  28         println!("{}", r);
  29         i += 1;
  30     }
  31
  32     result.join();
  33
  34     assert_eq!(sum, number_of_messages * (number_of_messages - 1) / 2);
  35 }