rust/src/test/run-pass/pipe-select.rs

102 lines
2.0 KiB
Rust

// xfail-pretty
// xfail-win32
extern mod std;
use std::timer::sleep;
use std::uv;
use pipes::{recv, select};
proto! oneshot (
waiting:send {
signal -> !
}
)
proto! stream (
stream:send<T:Send> {
send(T) -> stream<T>
}
)
fn main() {
use oneshot::client::*;
use stream::client::*;
let iotask = uv::global_loop::get();
let c = pipes::spawn_service(stream::init, |p| {
error!("waiting for pipes");
let stream::send(x, p) = recv(p);
error!("got pipes");
let (left, right) : (oneshot::server::waiting,
oneshot::server::waiting)
= x;
error!("selecting");
let (i, _, _) = select(~[left, right]);
error!("selected");
assert i == 0;
error!("waiting for pipes");
let stream::send(x, _) = recv(p);
error!("got pipes");
let (left, right) : (oneshot::server::waiting,
oneshot::server::waiting)
= x;
error!("selecting");
let (i, m, _) = select(~[left, right]);
error!("selected %?", i);
if m.is_some() {
assert i == 1;
}
});
let (c1, p1) = oneshot::init();
let (_c2, p2) = oneshot::init();
let c = send(c, (p1, p2));
sleep(iotask, 100);
signal(c1);
let (_c1, p1) = oneshot::init();
let (c2, p2) = oneshot::init();
send(c, (p1, p2));
sleep(iotask, 100);
signal(c2);
test_select2();
}
fn test_select2() {
let (ac, ap) = stream::init();
let (bc, bp) = stream::init();
stream::client::send(ac, 42);
match pipes::select2(ap, bp) {
either::Left(*) => { }
either::Right(*) => { fail }
}
stream::client::send(bc, ~"abc");
error!("done with first select2");
let (ac, ap) = stream::init();
let (bc, bp) = stream::init();
stream::client::send(bc, ~"abc");
match pipes::select2(ap, bp) {
either::Left(*) => { fail }
either::Right(*) => { }
}
stream::client::send(ac, 42);
}