/**
* Verifies that a length violation exists for the given field.
*
* @param \Drupal\comment\CommentInterface $comment
* The comment object to validate.
* @param string $field_name
* The field that violates the maximum length.
* @param int $length
* Number of characters that was exceeded.
*/
protected function assertLengthViolation(CommentInterface $comment, $field_name, $length)
{
$violations = $comment->validate();
$this->assertEqual(count($violations), 1, "Violation found when {$field_name} is too long.");
$this->assertEqual($violations[0]->getPropertyPath(), "{$field_name}.0.value");
$field_label = $comment->get($field_name)->getFieldDefinition()->getLabel();
$this->assertEqual($violations[0]->getMessage(), t('%name: may not be longer than @max characters.', array('%name' => $field_label, '@max' => $length)));
}
