public function ContainerAwareEventDispatcherTest::testDispatchForClosure in Drupal 9

Same name and namespace in other branches

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

File

core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php, line 350

Class

ContainerAwareEventDispatcherTest

Unit tests for the ContainerAwareEventDispatcher.

Namespace

Drupal\Tests\Component\EventDispatcher

Code

public function testDispatchForClosure() {
  $invoked = 0;
  $listener = function () use (&$invoked) {
    ++$invoked;
  };
  $this->dispatcher
    ->addListener('pre.foo', $listener);
  $this->dispatcher
    ->addListener('post.foo', $listener);
  $this->dispatcher
    ->dispatch(new Event(), self::PREFOO);
  $this
    ->assertEquals(1, $invoked);
}