public function reduce_without_seed_empty()
{
$xs = $this->createHotObservable([onNext(150, 1), onCompleted(250)]);
/** @var $results MockObserver * */
$results = $this->scheduler->startWithCreate(function () use($xs) {
return $xs->reduce(function ($acc, $x) {
return $acc + $x;
});
});
$messages = $results->getMessages();
$this->assertEquals(1, count($messages));
$this->assertTrue($messages[0] instanceof Recorded && $messages[0]->getValue() instanceof OnErrorNotification);
$this->assertEquals(250, $messages[0]->getTime());
}