function it_can_tell_the_end_date()
{
$this->beConstructedWith(Month::fromName('June'), Year::fromNumber(2014));
$date = $this->getEndDate();
$date->getDay()->shouldReturn(30);
$date->getPeriod()->shouldReturn($this);
}
function it_can_forward_to_the_closest_specified_weekday()
{
$this->beConstructedWith(16, new Period(Month::fromName('April'), Year::fromNumber(2013)));
$this->nextWeekday(Date::WEDNESDAY)->getDay()->shouldReturn(17);
$this->nextWeekday(Date::MONDAY)->getDay()->shouldReturn(22);
$this->nextWeekday(Date::TUESDAY)->getDay()->shouldReturn(16);
}
public function previous()
{
if (1 === $this->month->toNumber()) {
$month = Month::fromNumber(12);
$year = $this->year->previous();
} else {
$month = $this->month->previous();
$year = $this->year;
}
return new self($month, $year);
}