/**
  * Test getter/setter for maxCharacters property
  */
 public function testGetSetMaxCharacters()
 {
     $this->assertNull($this->attribute->getMaxCharacters());
     // Change value and assert new
     $characters = 100;
     $this->assertEntity($this->attribute->setMaxCharacters($characters));
     $this->assertEquals($characters, $this->attribute->getMaxCharacters());
 }
 /**
  * {@inheritdoc}
  */
 public function guessConstraints(AbstractAttribute $attribute)
 {
     $constraints = array();
     if ($maxCharacters = $attribute->getMaxCharacters()) {
         $constraints[] = new Assert\Length(array('max' => $maxCharacters));
     }
     return $constraints;
 }