public function testDateRests_SummerTimeAffection()
{
date_default_timezone_set('Europe/Berlin');
$date = $this->_type->convertToPHPValue('2009-08-01');
$this->assertEquals('00:00:00', $date->format('H:i:s'));
$this->assertEquals('2009-08-01', $date->format('Y-m-d'));
$date = $this->_type->convertToPHPValue('2009-11-01');
$this->assertEquals('00:00:00', $date->format('H:i:s'));
$this->assertEquals('2009-11-01', $date->format('Y-m-d'));
}