function ContainerAwareEventDispatcherTest::testGetListenerPriority

File

core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php, line 329

Class

ContainerAwareEventDispatcherTest

Unit tests for the ContainerAwareEventDispatcher.

Namespace

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 () {
    }));
}