public function testAddHasRemoveHandler()
{
$mock = $this->getMockBuilder(__CLASS__)->getMock();
$this->assertFalse($this->packetHandler->hasHandlers());
$this->packetHandler->addHandler('foo', [$mock, 'testReceivedPackageWithHandler']);
$this->assertTrue($this->packetHandler->hasHandlers());
$this->assertEquals(['foo' => [0 => [[$mock, 'testReceivedPackageWithHandler']]]], $this->packetHandler->getHandlers(null, true));
$this->packetHandler->removeHandler('foo', [$mock, 'testReceivedPackageWithHandler']);
$this->packetHandler->removeHandler('foo', [$mock, 'testReceivedPackageWithHandler']);
$this->assertFalse($this->packetHandler->hasHandlers());
}
