/**
* Create a new object starting now, with a given duration.
* Override - as each month has a defined duration
*
* @param object DateAndTime $aDateAndTime
* @param object Duration $aDuration
* @param optional string $class DO NOT USE OUTSIDE OF PACKAGE.
* This parameter is used to get around the limitations of not being
* able to find the class of the object that recieved the initial
* method call.
* @return object Month
* @access public
* @since 5/5/05
* @static
*/
static function startingDuration($aDateAndTime, $aDuration, $class = 'Month')
{
// Validate our passed class name.
if (!(strtolower($class) == strtolower('Month') || is_subclass_of(new $class(), 'Month'))) {
die("Class, '{$class}', is not a subclass of 'Month'.");
}
$start = $aDateAndTime->asDateAndTime();
$adjusted = DateAndTime::withYearMonthDay($start->year(), $start->month(), 1);
$days = Month::daysInMonthForYear($adjusted->month(), $adjusted->year());
$month = new $class();
$month->setStart($adjusted);
$month->setDuration(Duration::withDays($days));
return $month;
}
/**
* Test days in month
*/
function test_days_In_Month()
{
$this->assertEqual(Month::daysInMonthForYear(1, 1999), 31);
$this->assertEqual(Month::daysInMonthForYear(2, 1999), 28);
$this->assertEqual(Month::daysInMonthForYear(3, 1999), 31);
$this->assertEqual(Month::daysInMonthForYear(4, 1999), 30);
$this->assertEqual(Month::daysInMonthForYear(5, 1999), 31);
$this->assertEqual(Month::daysInMonthForYear(6, 1999), 30);
$this->assertEqual(Month::daysInMonthForYear(7, 1999), 31);
$this->assertEqual(Month::daysInMonthForYear(8, 1999), 31);
$this->assertEqual(Month::daysInMonthForYear(9, 1999), 30);
$this->assertEqual(Month::daysInMonthForYear(10, 1999), 31);
$this->assertEqual(Month::daysInMonthForYear(11, 1999), 30);
$this->assertEqual(Month::daysInMonthForYear(12, 1999), 31);
$this->assertEqual(Month::daysInMonthForYear(1, 2000), 31);
$this->assertEqual(Month::daysInMonthForYear(2, 2000), 29);
$this->assertEqual(Month::daysInMonthForYear(3, 2000), 31);
$this->assertEqual(Month::daysInMonthForYear(4, 2000), 30);
$this->assertEqual(Month::daysInMonthForYear(5, 2000), 31);
$this->assertEqual(Month::daysInMonthForYear(6, 2000), 30);
$this->assertEqual(Month::daysInMonthForYear(7, 2000), 31);
$this->assertEqual(Month::daysInMonthForYear(8, 2000), 31);
$this->assertEqual(Month::daysInMonthForYear(9, 2000), 30);
$this->assertEqual(Month::daysInMonthForYear(10, 2000), 31);
$this->assertEqual(Month::daysInMonthForYear(11, 2000), 30);
$this->assertEqual(Month::daysInMonthForYear(12, 2000), 31);
}
