public function getObjectsToValidate()
 {
     $validStatement = new Statement();
     $validStatement->setId('12345678-1234-5678-8234-567812345678');
     $validStatement->setActor(new Agent());
     $validStatement->setVerb(new Verb());
     $validStatement->setObject(new Activity());
     $statementWithoutId = new Statement();
     $statementWithoutId->setActor(new Agent());
     $statementWithoutId->setVerb(new Verb());
     $statementWithoutId->setObject(new Activity());
     $statementWithNonUuidId = new Statement();
     $statementWithNonUuidId->setId('foo');
     $statementWithNonUuidId->setActor(new Agent());
     $statementWithNonUuidId->setVerb(new Verb());
     $statementWithNonUuidId->setObject(new Activity());
     $statementWithoutActor = new Statement();
     $statementWithoutActor->setId('12345678-1234-5678-8234-567812345678');
     $statementWithoutActor->setVerb(new Verb());
     $statementWithoutActor->setObject(new Activity());
     $statementWithoutVerb = new Statement();
     $statementWithoutVerb->setId('12345678-1234-5678-8234-567812345678');
     $statementWithoutVerb->setActor(new Agent());
     $statementWithoutVerb->setObject(new Activity());
     $statementWithoutObject = new Statement();
     $statementWithoutObject->setId('12345678-1234-5678-8234-567812345678');
     $statementWithoutObject->setActor(new Agent());
     $statementWithoutObject->setVerb(new Verb());
     return array(array(StatementFixtures::getMinimalStatement(), 0), array($validStatement, 0), array($statementWithoutId, 1), array($statementWithNonUuidId, 1), array($statementWithoutActor, 1), array($statementWithoutVerb, 1), array($statementWithoutObject, 1));
 }