public function testCreateDateTime()
{
date_default_timezone_set('Asia/Tehran');
$current_date_time = new DateTime();
$current_date_time->setDate(2015, 1, 1);
$current_date_time->setTime(0, 0, 0);
$this->assertEquals($current_date_time->format('Y-m-d H:i:s'), Datium::create(2015, 1, 1)->get());
$this->assertEquals('1420057800', Datium::create(2015, 1, 1)->timestamp());
$this->assertEquals('1420057800', Datium::create(2015, 1, 1)->get('timestamp'));
$this->assertEquals('2015-01-01 00:00:00', Datium::createTimestamp(1420057800)->get());
}
