public function takeWhile_error_before()
{
$error = new \Exception();
$xs = $this->createHotObservable([onNext(90, -1), onNext(110, -1), onNext(210, 2), onNext(260, 5), onError(270, $error), onNext(290, 13), onNext(320, 3), onNext(350, 7), onNext(390, 4), onNext(410, 17), onNext(450, 8), onNext(500, 23)]);
$invoked = 0;
$results = $this->scheduler->startWithCreate(function () use($xs, &$invoked) {
return $xs->takeWhile(function ($x) use(&$invoked) {
$invoked++;
return $this->isPrime($x);
});
});
$this->assertMessages([onNext(210, 2), onNext(260, 5), onError(270, $error)], $results->getMessages());
$this->assertSubscriptions([subscribe(200, 270)], $xs->getSubscriptions());
$this->assertEquals(2, $invoked);
}