function ContainerAwareEventDispatcherTest::testAddSubscriber

File

core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php, line 374

Class

ContainerAwareEventDispatcherTest

Unit tests for the ContainerAwareEventDispatcher.

Namespace

Code

public function testAddSubscriber() : void {
  $eventSubscriber = new TestEventSubscriber();
  $this->dispatcher
    ->addSubscriber($eventSubscriber);
  $this->assertTrue($this->dispatcher
    ->hasListeners(self::PRE_FOO));
  $this->assertTrue($this->dispatcher
    ->hasListeners(self::POST_FOO));
}