vcal = new VCalendar(); } /** * This bug came from a Fruux customer. This would result in a never-ending * request. */ function testFastForwardTooFar() { $ev = $this->vcal->createComponent('VEVENT'); $ev->UID = 'foobar'; $ev->DTSTART = '20090420T180000Z'; $ev->RRULE = 'FREQ=WEEKLY;BYDAY=MO;UNTIL=20090704T205959Z;INTERVAL=1'; $this->assertFalse($ev->isInTimeRange(new DateTimeImmutable('2012-01-01 12:00:00'), new DateTimeImmutable('3000-01-01 00:00:00'))); } /** * Different bug, also likely an infinite loop. */ function testYearlyByMonthLoop() { $ev = $this->vcal->createComponent('VEVENT'); $ev->UID = 'uuid'; $ev->DTSTART = '20120101T154500'; $ev->DTSTART['TZID'] = 'Europe/Berlin'; $ev->RRULE = 'FREQ=YEARLY;INTERVAL=1;UNTIL=20120203T225959Z;BYMONTH=2;BYSETPOS=1;BYDAY=SU,MO,TU,WE,TH,FR,SA'; $ev->DTEND = '20120101T164500'; $ev->DTEND['TZID'] = 'Europe/Berlin'; // This recurrence rule by itself is a yearly rule that should happen // every february. // // The BYDAY part expands this to every day of the month, but the // BYSETPOS limits this to only the 1st day of the month. Very crazy // way to specify this, and could have certainly been a lot easier. $this->vcal->add($ev); $it = new Recur\EventIterator($this->vcal, 'uuid'); $it->fastForward(new DateTimeImmutable('2012-01-29 23:00:00', new DateTimeZone('UTC'))); $collect = []; while ($it->valid()) { $collect[] = $it->getDtStart(); if ($it->getDtStart() > new DateTimeImmutable('2013-02-05 22:59:59', new DateTimeZone('UTC'))) { break; } $it->next(); } $this->assertEquals( [new DateTimeImmutable('2012-02-01 15:45:00', new DateTimeZone('Europe/Berlin'))], $collect ); } /** * Something, somewhere produced an ics with an interval set to 0. Because * this means we increase the current day (or week, month) by 0, this also * results in an infinite loop. * * @expectedException \Sabre\VObject\InvalidDataException * @return void */ function testZeroInterval() { $ev = $this->vcal->createComponent('VEVENT'); $ev->UID = 'uuid'; $ev->DTSTART = '20120824T145700Z'; $ev->RRULE = 'FREQ=YEARLY;INTERVAL=0'; $this->vcal->add($ev); $it = new Recur\EventIterator($this->vcal, 'uuid'); $it->fastForward(new DateTimeImmutable('2013-01-01 23:00:00', new DateTimeZone('UTC'))); // if we got this far.. it means we are no longer infinitely looping } }