public function testDatenArrayConverstions()
 {
     $date = new Tinebase_DateTime('1979-06-05 11:22:33');
     $dateArray = array('day' => 5, 'month' => 6, 'year' => 1979, 'hour' => 11, 'minute' => 22, 'second' => 33);
     $this->assertTrue($date->equals(Calendar_Model_Rrule::array2date($dateArray)), 'array2date failed');
     $this->assertEquals($dateArray, Calendar_Model_Rrule::date2array($date), 'date2array failed');
 }