public function testGetIntervalsStringWithInvalidData() { $interval = new Interval('2014-01-01T00:00:00-0000', '2015-01-01T04:20:00-0700'); $interval->intervalStart = '2014-01-01T00:00:00-0000'; $this->setExpectedException('DruidFamiliar\\Exception\\UnexpectedTypeException', "intervalStart"); $interval->getIntervalsString(); }