rust/src/test/run-pass/task-comm-3.rs
2012-07-01 19:19:32 -07:00

63 lines
1.4 KiB
Rust

use std;
import task;
import comm;
import comm::chan;
import comm::send;
import comm::recv;
fn main() { #debug("===== WITHOUT THREADS ====="); test00(); }
fn test00_start(ch: chan<int>, message: int, count: int) {
#debug("Starting test00_start");
let mut i: int = 0;
while i < count {
#debug("Sending Message");
send(ch, message + 0);
i = i + 1;
}
#debug("Ending test00_start");
}
fn test00() {
let number_of_tasks: int = 16;
let number_of_messages: int = 4;
#debug("Creating tasks");
let po = comm::port();
let ch = chan(po);
let mut i: int = 0;
// Create and spawn tasks...
let mut results = ~[];
while i < number_of_tasks {
let builder = task::builder();
results += ~[task::future_result(builder)];
do task::run(builder) |copy i| {
test00_start(ch, i, number_of_messages)
}
i = i + 1;
}
// Read from spawned tasks...
let mut sum = 0;
for results.each |r| {
i = 0;
while i < number_of_messages {
let value = recv(po);
sum += value;
i = i + 1;
}
}
// Join spawned tasks...
for results.each |r| { future::get(r); }
#debug("Completed: Final number is: ");
log(error, sum);
// assert (sum == (((number_of_tasks * (number_of_tasks - 1)) / 2) *
// number_of_messages));
assert (sum == 480);
}