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

59 lines
1.5 KiB
Rust

use std;
import task;
import comm;
import comm::chan;
import comm::recv;
import comm::port;
fn main() { test00(); }
fn test00_start(&&args: (comm::chan<int>, int, int)) {
let (c, start, number_of_messages) = args;
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((chan(p),
number_of_messages * 0,
number_of_messages), test00_start);
let t1 =
task::spawn_joinable((chan(p),
number_of_messages * 1,
number_of_messages), test00_start);
let t2 =
task::spawn_joinable((chan(p),
number_of_messages * 2,
number_of_messages), test00_start);
let t3 =
task::spawn_joinable((chan(p),
number_of_messages * 3,
number_of_messages), test00_start);
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);
}