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

42 lines
863 B
Rust

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