public function testTrackingFunctionally()
{
$file = tempnam(sys_get_temp_dir(), 'sf2_resource_watcher_');
$event = null;
$watcher = new ResourceWatcher();
$watcher->trackByListener($file, function ($firedEvent) use(&$event) {
$event = $firedEvent;
});
usleep(2000000);
touch($file);
$watcher->start(1, 1);
$this->assertNotNull($event);
$this->assertSame($file, (string) $event->getResource());
$this->assertSame(FilesystemEvent::MODIFY, $event->getType());
$watcher->stop();
unlink($file);
$watcher->start(1, 1);
$this->assertNotNull($event);
$this->assertSame($file, (string) $event->getResource());
$this->assertSame(FilesystemEvent::DELETE, $event->getType());
}
