Rx\Functional\Operator\MinTest::min_comparer_empty PHP Method

    public function min_comparer_empty()
    {
        $xs = $this->createHotObservable([onNext(150, 1), onCompleted(250)]);
        $results = $this->scheduler->startWithCreate(function () use($xs) {
            return $xs->min(function ($a, $b) {
                return $a > $b ? -1 : ($a < $b ? 1 : 0);
            });
        });
        $this->assertMessages([onError(250, new \Exception())], $results->getMessages());
    }