DOMPDFModuleTest\View\Strategy\PdfStrategyTest::testEventSubscribers PHP Method

    public function testEventSubscribers()
    {
        $manager = new EventManager();
        $this->assertCount(0, $manager->getListeners(ViewEvent::EVENT_RENDERER), 'Renderer listener before attach');
        $this->assertCount(0, $manager->getListeners(ViewEvent::EVENT_RESPONSE), 'Response listener before attach');
        $this->strategy->attach($manager);
        $this->assertCount(1, $manager->getListeners(ViewEvent::EVENT_RENDERER), 'Renderer listener after attach');
        $this->assertCount(1, $manager->getListeners(ViewEvent::EVENT_RESPONSE), 'Response listener after attach');
        $this->strategy->detach($manager);
        $this->assertCount(0, $manager->getListeners(ViewEvent::EVENT_RENDERER), 'Renderer listener after detach');
        $this->assertCount(0, $manager->getListeners(ViewEvent::EVENT_RESPONSE), 'Response listener after detach');
    }