rust/src/test/run-pass/task-comm-7.rs

58 lines
1.6 KiB
Rust

use std;
import std::task;
import std::comm;
import comm::chan;
import comm::recv;
import comm::port;
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 = port();
let number_of_messages: int = 10;
let t0 =
task::spawn_joinable(bind test00_start(chan(p),
number_of_messages * 0,
number_of_messages));
let t1 =
task::spawn_joinable(bind test00_start(chan(p),
number_of_messages * 1,
number_of_messages));
let t2 =
task::spawn_joinable(bind test00_start(chan(p),
number_of_messages * 2,
number_of_messages));
let t3 =
task::spawn_joinable(bind test00_start(chan(p),
number_of_messages * 3,
number_of_messages));
let i: int = 0;
while i < number_of_messages {
r = recv(p);
sum += r;
r = recv(p);
sum += r;
r = recv(p);
sum += r;
r = recv(p);
sum += r;
i += 1;
}
task::join(t0);
task::join(t1);
task::join(t2);
task::join(t3);
assert (sum == number_of_messages * 4 * (number_of_messages * 4 - 1) / 2);
}