function testLoop()
{
$callable = function () {
};
$loop = new Loop();
$loop->addCallback($callable);
$loop->addInterval(0.1, $callable);
$loop->addPeriodic(new \DateTime(), new \DateTime(), 1, $callable);
$loop->addSignal(SIGCHLD, $callable);
$loop->addScheduled(new \DateTime(), $callable);
$this->assertSame(count($loop), 5);
$this->assertInstanceOf('PBergman\\EventLoop\\Watchers\\CallbackWatcher', $loop->peekBottom());
$this->assertInstanceOf('PBergman\\EventLoop\\Watchers\\ScheduledWatcher', $loop->peekTop());
$loop->filter(function ($w) {
return $w instanceof \PBergman\EventLoop\Watchers\CallbackWatcher;
});
$this->assertSame(count($loop), 1);
$loop->run(2);
$this->assertSame($loop->getTicks(), 2);
}
