secsMin = 60; $this->secsHour = 60 * 60; $this->secsDay = 24 * 60 * 60; $this->secsWeek = 7 * 24 * 60 * 60; } public function testDurationDateTime() { //A duration of 10 days, 6 hours and 20 seconds $dur = new SG_iCal_Duration('P10DT6H0M20S'); $this->assertEquals($this->secsDay*10 + $this->secsHour*6 + 20, $dur->getDuration() ); } public function testDurationWeek() { //A duration of 2 weeks $dur = new SG_iCal_Duration('P2W'); $this->assertEquals($this->secsWeek * 2, $dur->getDuration() ); } public function testDurationNegative() { //A duration of -1 day $dur = new SG_iCal_Duration('-P1D'); $this->assertEquals(-1 * $this->secsDay, $dur->getDuration() ); } }