public function testDiffFilteredNegativeWithSignWithMutated()
{
$dt = Date::createFromDate(2000, 1, 31);
$this->assertSame(-4, $dt->diffFiltered(Interval::week(), function (Date $date) {
return $date->getMonth() === 12;
}, $dt->copy()->subMonths(3), false));
}
public function testWeeks()
{
$ci = new Interval(0, 0, 1);
$this->assertInstanceOfInterval($ci);
$this->assertInterval($ci, 0, 0, 7, 0, 0, 0);
$ci = Interval::weeks(2);
$this->assertInstanceOfInterval($ci);
$this->assertInterval($ci, 0, 0, 14, 0, 0, 0);
$ci = Interval::week();
$this->assertInstanceOfInterval($ci);
$this->assertInterval($ci, 0, 0, 7, 0, 0, 0);
$ci = Interval::week(3);
$this->assertInstanceOfInterval($ci);
$this->assertInterval($ci, 0, 0, 21, 0, 0, 0);
}
