public function testMonths()
{
$ci = new Interval(0, 1);
$this->assertInstanceOfInterval($ci);
$this->assertInterval($ci, 0, 1, 0, 0, 0, 0);
$ci = Interval::months(2);
$this->assertInstanceOfInterval($ci);
$this->assertInterval($ci, 0, 2, 0, 0, 0, 0);
$ci = Interval::month();
$this->assertInstanceOfInterval($ci);
$this->assertInterval($ci, 0, 1, 0, 0, 0, 0);
$ci = Interval::month(3);
$this->assertInstanceOfInterval($ci);
$this->assertInterval($ci, 0, 3, 0, 0, 0, 0);
}
public function testDiffFilteredNegativeWithSignWithSecondObject()
{
$dt1 = Date::createFromDate(2001, 1, 31);
$dt2 = Date::createFromDate(1999, 1, 1);
$this->assertSame(-12, $dt1->diffFiltered(Interval::month(), function (Date $date) {
return $date->getYear() === 2000;
}, $dt2, false));
}
