Rx\Subject\SubjectTest::it_passes_on_next_if_not_disposed PHP Метод

    public function it_passes_on_next_if_not_disposed()
    {
        $subject = new Subject();
        $value = 42;
        $observer = $this->createMock('Rx\\ObserverInterface');
        $observer->expects($this->once())->method('onNext')->with($this->equalTo($value));
        $subject->subscribe($observer);
        $subject->onNext($value);
    }