public function testDateWithPreUpdate()
{
// Given
$user = new BaseUser();
$user->setCreatedAt(\DateTime::createFromFormat('Y-m-d', '2012-01-01'));
$today = new \DateTime();
// When
$user->preUpdate();
// Then
$this->assertTrue($user->getCreatedAt() instanceof \DateTime, 'Should contain a DateTime object');
$this->assertEquals('2012-01-01', $user->getCreatedAt()->format('Y-m-d'), 'Should be created at 2012-01-01.');
$this->assertTrue($user->getUpdatedAt() instanceof \DateTime, 'Should contain a DateTime object');
$this->assertEquals($today->format('Y-m-d'), $user->getUpdatedAt()->format('Y-m-d'), 'Should be updated today');
}