Rx\Functional\Operator\ConcatMapTest::concatMap_Throw PHP Method

    public function concatMap_Throw()
    {
        $invoked = 0;
        $ex = new Exception('ex');
        $xs = $this->createHotObservable([onNext(5, $this->createColdObservable([onError(1, new Exception('ex1'))])), onNext(105, $this->createColdObservable([onError(1, new Exception('ex2'))])), onNext(300, $this->createColdObservable([onNext(10, 102), onNext(90, 103), onNext(110, 104), onNext(190, 105), onNext(440, 106), onCompleted(460)])), onNext(400, $this->createColdObservable([onNext(180, 202), onNext(190, 203), onCompleted(205)])), onNext(550, $this->createColdObservable([onNext(10, 301), onNext(50, 302), onNext(70, 303), onNext(260, 304), onNext(310, 305), onCompleted(410)])), onNext(750, $this->createColdObservable([onCompleted(40)])), onNext(850, $this->createColdObservable([onNext(80, 401), onNext(90, 402), onCompleted(100)])), onCompleted(900)]);
        $results = $this->scheduler->startWithCreate(function () use($xs, &$invoked, $ex) {
            return $xs->concatMap(function (Observable $obs) use(&$invoked, $ex) {
                $invoked++;
                if ($invoked === 3) {
                    throw $ex;
                }
                return $obs;
            });
        });
        $this->assertMessages([onNext(310, 102), onNext(390, 103), onNext(410, 104), onNext(490, 105), onError(550, $ex)], $results->getMessages());
        $this->assertSubscriptions([subscribe(200, 550)], $xs->getSubscriptions());
    }