/**
  * {@inheritdoc}
  */
 public function setDefaultOptions(OptionsResolverInterface $resolver)
 {
     $resolver->setDefaults(array('choices' => OptionOrder::getChoices(), 'preferred_choices' => array(OptionOrder::DEFAULT_ORDER)));
 }
 public function testOptionTypeYieldsChoices()
 {
     $this->assertInternalType('array', OptionOrder::getChoices());
 }