function ContainerAwareEventDispatcherTest::testAddSubscriber

Same name and namespace in other branches
  1. 9 core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php \Drupal\Tests\Component\EventDispatcher\ContainerAwareEventDispatcherTest::testAddSubscriber()
  2. 8.9.x core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php \Drupal\Tests\Component\EventDispatcher\ContainerAwareEventDispatcherTest::testAddSubscriber()
  3. 11.x core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php \Drupal\Tests\Component\EventDispatcher\ContainerAwareEventDispatcherTest::testAddSubscriber()

File

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

Class

ContainerAwareEventDispatcherTest
Unit tests for the ContainerAwareEventDispatcher.

Namespace

Drupal\Tests\Component\EventDispatcher

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));
}

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