/**
* Test the removeListener method.
*
* @return void
*
* @since 1.0
*/
public function testRemoveListeners()
{
// Add 3 listeners listening to the same events.
$listener1 = new SomethingListener();
$listener2 = new SomethingListener();
$listener3 = new SomethingListener();
$this->instance->addListener('onBeforeSomething', [$listener1, 'onBeforeSomething'])->addListener('onBeforeSomething', [$listener2, 'onBeforeSomething'])->addListener('onBeforeSomething', [$listener3, 'onBeforeSomething']);
// Remove the listener from a specific event.
$this->instance->removeListener('onBeforeSomething', [$listener1, 'onBeforeSomething']);
$this->assertFalse($this->instance->hasListener([$listener1, 'onBeforeSomething']));
$this->assertTrue($this->instance->hasListener([$listener2, 'onBeforeSomething']));
$this->assertTrue($this->instance->hasListener([$listener3, 'onBeforeSomething']));
}
/**
* Test the removeListener method.
*
* @return void
*
* @covers Joomla\Event\Dispatcher::removeListener
* @since 1.0
*/
public function testRemoveListeners()
{
$listener = new SomethingListener();
$this->instance->addListener($listener);
// Remove the listener from all events.
$this->instance->removeListener($listener);
$this->assertFalse($this->instance->hasListener($listener, 'onBeforeSomething'));
$this->assertFalse($this->instance->hasListener($listener, 'onSomething'));
$this->assertFalse($this->instance->hasListener($listener, 'onAfterSomething'));
$this->instance->addListener($listener);
// Remove the listener from a specific event.
$this->instance->removeListener($listener, 'onBeforeSomething');
$this->assertFalse($this->instance->hasListener($listener, 'onBeforeSomething'));
$this->assertTrue($this->instance->hasListener($listener, 'onSomething'));
$this->assertTrue($this->instance->hasListener($listener, 'onAfterSomething'));
// Remove the listener from a specific event by passing an event object.
$this->instance->removeListener($listener, new Event('onSomething'));
$this->assertFalse($this->instance->hasListener($listener, 'onSomething'));
$this->assertTrue($this->instance->hasListener($listener, 'onAfterSomething'));
}