rust/src/test/run-pass/task-comm-8.rs
2011-08-16 15:05:56 -07:00

51 lines
1.3 KiB
Rust

use std;
import std::task;
import std::comm;
fn main() { test00(); }
fn test00_start(c : comm::_chan<int>, start: int, number_of_messages: int) {
let i: int = 0;
while i < number_of_messages { comm::send(c, start + i); i += 1; }
}
fn test00() {
let r: int = 0;
let sum: int = 0;
let p = comm::mk_port();
let number_of_messages: int = 10;
let t0 =
task::_spawn(bind test00_start(p.mk_chan(), number_of_messages * 0,
number_of_messages));
let t1 =
task::_spawn(bind test00_start(p.mk_chan(), number_of_messages * 1,
number_of_messages));
let t2 =
task::_spawn(bind test00_start(p.mk_chan(), number_of_messages * 2,
number_of_messages));
let t3 =
task::_spawn(bind test00_start(p.mk_chan(), number_of_messages * 3,
number_of_messages));
let i: int = 0;
while i < number_of_messages {
r = p.recv();
sum += r;
r = p.recv();
sum += r;
r = p.recv();
sum += r;
r = p.recv();
sum += r;
i += 1;
}
task::join_id(t0);
task::join_id(t1);
task::join_id(t2);
task::join_id(t3);
assert (sum == number_of_messages * 4 * (number_of_messages * 4 - 1) / 2);
}