Rx\Subject\BehaviorSubjectTest::it_has_no_observers_after_disposing PHP Method

    public function it_has_no_observers_after_disposing()
    {
        $subject = new BehaviorSubject();
        $observer = $this->createMock('Rx\\ObserverInterface');
        $subject->subscribe($observer);
        $this->assertTrue($subject->hasObservers());
        $subject->dispose();
        $this->assertFalse($subject->hasObservers());
    }