/**
* Initializes a process if possible
*
* @return void
*/
protected function init()
{
if ($this->maxCount === 0 || count($this->procs) < $this->maxCount) {
/** @var Process $process */
$process = $this->queue->dequeue();
$proc = new Proc($process->command(), $process->directory(), $process->environment(), $process->input(), $process->timeout());
if ($process->isOutputDisabled()) {
$proc->disableOutput();
}
$this->startProcess($proc, $process->stdout(), $process->stderr());
$pid = $proc->getPid();
$this->pids[$pid] = true;
$this->procs[$pid] = $proc;
}
}
/**
* @expectedException \Novuso\System\Exception\UnderflowException
*/
public function test_that_front_throws_exception_when_empty()
{
LinkedQueue::of('int')->front();
}
