rust/src/test/run-pass/task-comm-8.rs
2012-01-06 22:40:31 -08:00

52 lines
1.2 KiB
Rust

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