/**
* Every Sunday in January every other year at 8:30 am and 9:30 am
* DTSTART;TZID=America/New_York:19970105T083000
* RRULE:FREQ=YEARLY;INTERVAL=2;BYMONTH=1;BYDAY=SU;BYHOUR=8,9;BYMINUTE=30
*/
function testYearlyTheninthnode()
{
$results[] = new DateTime("2015-09-17 00:00:00");
$results[] = new DateTime("2016-09-17 00:00:00");
$results[] = new DateTime("2017-09-17 00:00:00");
$results[] = new DateTime("2018-09-17 00:00:00");
$results[] = new DateTime("2019-09-17 00:00:00");
$r = new When();
$r->startDate(new DateTime('2015-09-17 00:00:00'));
$r->freq('yearly');
$r->interval(1);
$r->count(5);
$r->generateOccurrences();
$occurrences = $r->occurrences;
foreach ($results as $key => $result) {
$this->assertEquals($result, $occurrences[$key]);
}
}
/**
* @expectedException InvalidArgumentException
*/
public function testInvalidInterval()
{
$test = new When();
$test->interval('week');
}