function ContainerAwareEventDispatcherTest::testAddSubscriberWithMultipleListeners

File

core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php, line 426

Class

ContainerAwareEventDispatcherTest

Unit tests for the ContainerAwareEventDispatcher.

Namespace

Code

public function testAddSubscriberWithMultipleListeners() {
    $eventSubscriber = new TestEventSubscriberWithMultipleListeners();
    $this->dispatcher
        ->addSubscriber($eventSubscriber);
    $listeners = $this->dispatcher
        ->getListeners('pre.foo');
    $this->assertTrue($this->dispatcher
        ->hasListeners(self::PREFOO));
    $this->assertCount(2, $listeners);
    $this->assertEquals('preFoo2', $listeners[0][1]);
}