function ContainerAwareEventDispatcherTest::testGetListenersWhenAddedCallbackListenerIsRemoved

File

core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php, line 499

Class

ContainerAwareEventDispatcherTest

Unit tests for the ContainerAwareEventDispatcher.

Namespace

Code

public function testGetListenersWhenAddedCallbackListenerIsRemoved() {
    $listener = function () {
    };
    $this->dispatcher
        ->addListener('foo', $listener);
    $this->dispatcher
        ->removeListener('foo', $listener);
    $this->assertSame([], $this->dispatcher
        ->getListeners());
}