public function test__construct()
{
$diff = new tools\diff();
$this->assert->string($diff->getReference())->isEmpty()->string($diff->getData())->isEmpty();
$diff = new tools\diff($reference = uniqid());
$this->assert->string($diff->getReference())->isEqualTo($reference)->string($diff->getData())->isEmpty();
$diff = new tools\diff('', $data = uniqid());
$this->assert->string($diff->getReference())->isEmpty()->string($diff->getData())->isEqualTo($data);
$diff = new tools\diff($reference = uniqid(), $data = uniqid());
$this->assert->string($diff->getReference())->isEqualTo($reference)->string($diff->getData())->isEqualTo($data);
}
