/**
* check if this date/time a range or equal to the end dates
*/
public function isWithinOrEqual(A_Datetime_Range $range)
{
return $this->getTimestamp() >= $range->getStart() && $this->getTimestamp() <= $range->getEnd();
}
/**
* Checks whether or not the given Range object intersects this range
*
* @param A_Datetime_Range $range Range object to check
* @return bool
*/
public function intersects($range)
{
if (!$range || $this->end->getTimestamp() < $range->getStart()->getTimestamp() || $range->getEnd()->getTimestamp() < $this->start->getTimestamp()) {
return false;
}
return true;
}
function testIntersects()
{
$datetime1 = new A_Datetime();
$datetime1->parseDate('2001/01/01');
$datetime2 = new A_Datetime();
$datetime2->parseDate('2001/02/01');
$datetime3 = new A_Datetime();
$datetime3->parseDate('2001/03/01');
$datetime4 = new A_Datetime();
$datetime4->parseDate('2001/04/01');
$datetime5 = new A_Datetime();
$datetime5->parseDate('2001/05/01');
// not overlapping
$range1 = new A_Datetime_Range($datetime1, $datetime2);
$range2 = new A_Datetime_Range($datetime3, $datetime4);
$this->assertFalse($range1->intersects($range2));
// range1 end date in range2
$range1 = new A_Datetime_Range($datetime1, $datetime3);
$range2 = new A_Datetime_Range($datetime2, $datetime4);
$this->assertTrue($range1->intersects($range2));
// range1 start date in range2
$range1 = new A_Datetime_Range($datetime3, $datetime5);
$range2 = new A_Datetime_Range($datetime1, $datetime4);
$this->assertTrue($range1->intersects($range2));
// range1 the same as range2
$range1 = new A_Datetime_Range($datetime2, $datetime4);
$range2 = new A_Datetime_Range($datetime2, $datetime4);
$this->assertTrue($range1->intersects($range2));
// range1 end date the same as range2 start date
$range1 = new A_Datetime_Range($datetime1, $datetime3);
$range2 = new A_Datetime_Range($datetime3, $datetime5);
$this->assertTrue($range1->intersects($range2));
// range1 start date the same as range2 end date
$range1 = new A_Datetime_Range($datetime3, $datetime5);
$range2 = new A_Datetime_Range($datetime1, $datetime3);
$this->assertTrue($range1->intersects($range2));
// range1 inside range2
$range1 = new A_Datetime_Range($datetime2, $datetime4);
$range2 = new A_Datetime_Range($datetime1, $datetime5);
$this->assertTrue($range1->intersects($range2));
// range2 inside range1
$range1 = new A_Datetime_Range($datetime1, $datetime5);
$range2 = new A_Datetime_Range($datetime2, $datetime4);
$this->assertTrue($range1->intersects($range2));
}
