Pop\Form\Fields::addFields PHP Метод

    public function addFields(array $fields)
    {
        $this->fields = array_merge($this->fields, $fields);
        return $this;
    }

 public function testAddAndGetFields()
 {
     $fields = array('username' => array('type' => 'text', 'value' => 'Username here...', 'label' => 'Username:'******'required' => true, 'attributes' => array('size' => 40)));
     $f = new Fields($fields);
     $f->addFields(array('submit' => array('type' => 'submit', 'value' => 'SUBMIT')));
     $this->assertEquals(2, count($f->getFields()));
 }