/**
* Returns the day-of-year, from 1 to 365, or 366 in a leap year.
*
* @return integer
*/
public function getDayOfYear()
{
return Month::of($this->month)->getFirstDayOfYear($this->isLeapYear()) + $this->day - 1;
}
/**
* Returns the length of the month in days, taking account of the year.
*
* @return integer
*/
public function getLengthOfMonth()
{
return Month::of($this->month)->getLength($this->isLeapYear());
}
/**
* Returns the month that is the specified number of months after this one.
*
* The calculation rolls around the end of the year from December to January.
* The specified period may be negative.
*
* @param integer $months
*
* @return Month
*/
public function plus($months)
{
$months = Cast::toInteger($months);
return Month::get((($this->month - 1 + $months) % 12 + 12) % 12 + 1);
}
/**
* @dataProvider providerToString
*
* @param string $month The month number.
* @param integer $expectedName The expected month name.
*/
public function testToString($month, $expectedName)
{
$this->assertSame($expectedName, (string) Month::of($month));
}
/**
* @param integer $monthValue The expected month-of-year value, from 1 to 12.
* @param Month $month The Month instance to test.
*/
protected function assertMonthIs($monthValue, Month $month)
{
$this->compare([$monthValue], [$month->getValue()]);
}
