/**
  * Test debugInfo helper method.
  *
  * @return void
  */
 public function testDebugInfo()
 {
     $validator = new Validator();
     $validator->provider('test', $this);
     $validator->add('title', 'not-empty', ['rule' => 'notEmpty']);
     $validator->requirePresence('body');
     $validator->allowEmpty('published');
     $result = $validator->__debugInfo();
     $expected = ['_providers' => ['test'], '_fields' => ['title' => ['isPresenceRequired' => false, 'isEmptyAllowed' => false, 'rules' => ['not-empty']], 'body' => ['isPresenceRequired' => true, 'isEmptyAllowed' => false, 'rules' => []], 'published' => ['isPresenceRequired' => false, 'isEmptyAllowed' => true, 'rules' => []]], '_presenceMessages' => [], '_allowEmptyMessages' => [], '_useI18n' => true];
     $this->assertEquals($expected, $result);
 }