class GroupSequenceProviderEntity

ValidatorTest.php in drupal/core/vendor/symfony/validator/Symfony/Component/Validator/Tests/ValidatorTest.php

ClassMetadataTest::testGroupSequenceFailsIfGroupSequenceProviderIsSet in drupal/core/vendor/symfony/validator/Symfony/Component/Validator/Tests/Mapping/ClassMetadataTest.php

@expectedException \Symfony\Component\Validator\Exception\GroupDefinitionException

ClassMetadataTest::testGroupSequenceProviderFailsIfGroupSequenceIsSet in drupal/core/vendor/symfony/validator/Symfony/Component/Validator/Tests/Mapping/ClassMetadataTest.php

@expectedException \Symfony\Component\Validator\Exception\GroupDefinitionException

class GroupSequenceProviderEntity implements GroupSequenceProviderInterface {
  public $firstName;
  public $lastName;
  protected $groups = array();
  public function setGroups($groups) {
    $this->groups = $groups;
  }
  public function getGroupSequence() {
    return $this->groups;
  }

}