public function ContainerAwareEventDispatcherTest::testGetListenerPriority in Drupal 10

Same name and namespace in other branches

1. 8 core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php \Drupal\Tests\Component\EventDispatcher\ContainerAwareEventDispatcherTest::testGetListenerPriority()
2. 9 core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php \Drupal\Tests\Component\EventDispatcher\ContainerAwareEventDispatcherTest::testGetListenerPriority()

File

core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php, line 287

Class

ContainerAwareEventDispatcherTest

Unit tests for the ContainerAwareEventDispatcher.

Namespace

Drupal\Tests\Component\EventDispatcher

Code

public function testGetListenerPriority() {
  $listener1 = new TestEventListener();
  $listener2 = new TestEventListener();
  $this->dispatcher
    ->addListener('pre.foo', $listener1, -10);
  $this->dispatcher
    ->addListener('pre.foo', $listener2);
  $this
    ->assertSame(-10, $this->dispatcher
    ->getListenerPriority('pre.foo', $listener1));
  $this
    ->assertSame(0, $this->dispatcher
    ->getListenerPriority('pre.foo', $listener2));
  $this
    ->assertNull($this->dispatcher
    ->getListenerPriority('pre.bar', $listener2));
  $this
    ->assertNull($this->dispatcher
    ->getListenerPriority('pre.foo', function () {
  }));
}