rust/src/test/run-pass/task-comm-6.rs

43 lines
867 B
Rust

use std;
import comm;
import comm::send;
import comm::chan;
import comm::recv;
fn main() { test00(); }
fn test00() {
let mut r: int = 0;
let mut sum: int = 0;
let p = comm::port();
let c0 = chan(p);
let c1 = chan(p);
let c2 = chan(p);
let c3 = chan(p);
let number_of_messages: int = 1000;
let mut i: int = 0;
while i < number_of_messages {
send(c0, i + 0);
send(c1, i + 0);
send(c2, i + 0);
send(c3, i + 0);
i += 1;
}
i = 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;
}
assert (sum == 1998000);
// assert (sum == 4 * ((number_of_messages *
// (number_of_messages - 1)) / 2));
}