#![cfg(unix)]

extern crate futures;
extern crate libc;
extern crate tokio_core;
extern crate tokio_signal;

use std::time::Duration;

use futures::Future;
use futures::stream::Stream;
use tokio_core::reactor::{Core, Timeout};
use tokio_signal::unix::Signal;

#[test]
fn simple() {
    let mut lp = Core::new().unwrap();
    let handle = lp.handle();
    let signal = lp.run(Signal::new(libc::SIGUSR1, &handle)).unwrap();
    unsafe {
        assert_eq!(libc::kill(libc::getpid(), libc::SIGUSR1), 0);
    }
    lp.run(signal.into_future()).ok().unwrap();
}

#[test]
fn notify_both() {
    let mut lp = Core::new().unwrap();
    let handle = lp.handle();
    let signal1 = lp.run(Signal::new(libc::SIGUSR2, &handle)).unwrap();
    let signal2 = lp.run(Signal::new(libc::SIGUSR2, &handle)).unwrap();
    unsafe {
        assert_eq!(libc::kill(libc::getpid(), libc::SIGUSR2), 0);
    }
    lp.run(signal1.into_future().join(signal2.into_future())).ok().unwrap();
}

#[test]
fn drop_then_get_a_signal() {
    let mut lp = Core::new().unwrap();
    let handle = lp.handle();
    let signal = lp.run(Signal::new(libc::SIGUSR1, &handle)).unwrap();
    drop(signal);
    unsafe {
        assert_eq!(libc::kill(libc::getpid(), libc::SIGUSR1), 0);
    }
    let timeout = Timeout::new(Duration::from_millis(1), &lp.handle()).unwrap();
    lp.run(timeout).unwrap();
}

#[test]
fn twice() {
    let mut lp = Core::new().unwrap();
    let handle = lp.handle();
    let signal = lp.run(Signal::new(libc::SIGUSR1, &handle)).unwrap();
    unsafe {
        assert_eq!(libc::kill(libc::getpid(), libc::SIGUSR1), 0);
    }
    let (num, signal) = lp.run(signal.into_future()).ok().unwrap();
    assert_eq!(num, Some(libc::SIGUSR1));
    unsafe {
        assert_eq!(libc::kill(libc::getpid(), libc::SIGUSR1), 0);
    }
    lp.run(signal.into_future()).ok().unwrap();
}