public function testCombineRRuleAndExDate()
{
$rset = new RSet();
$rset->addRRule(array('FREQ' => 'YEARLY', 'COUNT' => 6, 'BYDAY' => 'TU, TH', 'DTSTART' => date_create('1997-09-02 09:00')));
$rset->addExdate('1997-09-04 09:00:00');
$rset->addExdate('1997-09-11 09:00:00');
$rset->addExdate('1997-09-18 09:00:00');
// adding out of order
$this->assertEquals(array(date_create('1997-09-02 09:00'), date_create('1997-09-09 09:00'), date_create('1997-09-16 09:00')), $rset->getOccurrences());
$this->assertEquals(date_create('1997-09-09 09:00'), $rset[1]);
$this->assertEquals(array(date_create('1997-09-16 09:00')), $rset->getOccurrencesBetween('1997-09-16 00:00', '1997-09-17 00:00'));
$this->assertTrue($rset->occursAt('1997-09-02 09:00'));
$this->assertFalse($rset->occursAt('1997-09-04 09:00'));
$rset->clearCache();
$this->assertTrue($rset->occursAt('1997-09-02 09:00'));
$this->assertFalse($rset->occursAt('1997-09-04 09:00'));
}