public function testInterfacesMethods()
{
$interfaces = array('interface1', 'interface2', 'interface3');
$this->class->setInterfaces($interfaces);
$this->assertEquals($interfaces, $this->class->getInterfaces(), 'Get interface should return previously set interfaces');
$this->class->addInterface('interface4');
$this->assertEquals(array_merge($interfaces, array('interface4')), $this->class->getInterfaces());
$this->class->removeInterface('interface2');
$this->assertEquals(array('interface1', 'interface3', 'interface4'), array_values($this->class->getInterfaces()));
}
