Rx\Functional\Operator\TakeWhileTest::takeWhile_index PHP Method

    public function takeWhile_index()
    {
        $xs = $this->createHotObservable([onNext(90, -1), onNext(110, -1), onNext(205, 100), onNext(210, 2), onNext(260, 5), onNext(290, 13), onNext(320, 3), onNext(350, 7), onNext(390, 4), onNext(410, 17), onNext(450, 8), onNext(500, 23), onCompleted(600)]);
        $results = $this->scheduler->startWithCreate(function () use($xs) {
            return $xs->takeWhileWithIndex(function ($i) {
                return $i < 5;
            });
        });
        $this->assertMessages([onNext(205, 100), onNext(210, 2), onNext(260, 5), onNext(290, 13), onNext(320, 3), onCompleted(350)], $results->getMessages());
        $this->assertSubscriptions([subscribe(200, 350)], $xs->getSubscriptions());
    }