Inheritance: implements Symfony\Component\Form\FormTypeGuesserInterface
 /**
  * @dataProvider maxLengthTypeProvider
  */
 public function testGuessMaxLengthForConstraintWithType($type)
 {
     $constraint = new Type($type);
     $result = $this->guesser->guessMaxLengthForConstraint($constraint);
     $this->assertInstanceOf('Symfony\\Component\\Form\\Guess\\ValueGuess', $result);
     $this->assertNull($result->getValue());
     $this->assertEquals(Guess::MEDIUM_CONFIDENCE, $result->getConfidence());
 }