assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal); $vcal->expand(new DateTime('2015-01-01'), new DateTime('2015-01-31')); $result = $vcal->serialize(); $output = <<assertEquals($output, str_replace("\r", "", $result)); } function testExpandWithReferenceTimezone() { $input = <<assertInstanceOf('Sabre\\VObject\\Component\\VCalendar', $vcal); $vcal->expand(new DateTime('2015-01-01'), new DateTime('2015-01-31'), new \DateTimeZone('Europe/Berlin')); $result = $vcal->serialize(); $output = <<assertEquals($output, str_replace("\r", "", $result)); } }