rust/src/test/run-pass/task-comm-7.rs
2012-07-25 15:15:46 -07:00

49 lines
1.1 KiB
Rust

use std;
import task;
fn main() { test00(); }
fn test00_start(c: pipes::chan<int>, start: int, number_of_messages: int) {
let mut i: int = 0;
while i < number_of_messages { c.send(start + i); i += 1; }
}
fn test00() {
let mut r: int = 0;
let mut sum: int = 0;
let p = pipes::port_set();
let number_of_messages: int = 10;
let c = p.chan();
do task::spawn {
test00_start(c, number_of_messages * 0, number_of_messages);
}
let c = p.chan();
do task::spawn {
test00_start(c, number_of_messages * 1, number_of_messages);
}
let c = p.chan();
do task::spawn {
test00_start(c, number_of_messages * 2, number_of_messages);
}
let c = p.chan();
do task::spawn {
test00_start(c, number_of_messages * 3, number_of_messages);
}
let mut 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;
}
assert (sum == number_of_messages * 4 * (number_of_messages * 4 - 1) / 2);
}