function ContainerAwareEventDispatcherTest::testHasListenersIsLazy
Same name and namespace in other branches
- 9 core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php \Drupal\Tests\Component\EventDispatcher\ContainerAwareEventDispatcherTest::testHasListenersIsLazy()
- 8.9.x core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php \Drupal\Tests\Component\EventDispatcher\ContainerAwareEventDispatcherTest::testHasListenersIsLazy()
- 10 core/tests/Drupal/Tests/Component/EventDispatcher/ContainerAwareEventDispatcherTest.php \Drupal\Tests\Component\EventDispatcher\ContainerAwareEventDispatcherTest::testHasListenersIsLazy()
File
-
core/
tests/ Drupal/ Tests/ Component/ EventDispatcher/ ContainerAwareEventDispatcherTest.php, line 481
Class
- ContainerAwareEventDispatcherTest
- Unit tests for the ContainerAwareEventDispatcher.
Namespace
Drupal\Tests\Component\EventDispatcherCode
public function testHasListenersIsLazy() {
$called = 0;
$listener = [
function () use (&$called) {
++$called;
},
'onFoo',
];
$this->dispatcher
->addListener('foo', $listener);
$this->assertTrue($this->dispatcher
->hasListeners());
$this->assertTrue($this->dispatcher
->hasListeners('foo'));
$this->assertSame(0, $called);
}
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