/**
* Answer the reciever as a UNIX timestamp - The number of seconds since the
* Unix Epoch (January 1 1970 00:00:00 GMT/UTC).
*
* @return integer
* @access public
* @since 5/27/05
*/
function asUnixTimeStamp()
{
$sinceUnixEpoch = $this->minus(TimeStamp::withYearMonthDayHourMinuteSecondOffset(1970, 1, 1, 0, 0, 0, Duration::zero()));
return $sinceUnixEpoch->asSeconds();
}
/**
* Test converting
*/
function test_converting()
{
$dateAndTime = DateAndTime::withYearMonthDayHourMinuteSecondOffset(2005, 6, 4, 15, 25, 10, Duration::withHours(-5));
// asDate()
$temp = $dateAndTime->asDate();
$this->assertTrue($temp->isEqualTo(Date::withYearMonthDay(2005, 6, 4)));
// asDuration()
$temp = $dateAndTime->asDuration();
$this->assertTrue($temp->isEqualTo(Duration::withSeconds(55510)));
// asDateAndTime()
$temp = $dateAndTime->asDateAndTime();
$this->assertTrue($temp->isEqualTo(DateAndTime::withYearMonthDayHourMinuteSecondOffset(2005, 6, 4, 15, 25, 10, Duration::withHours(-5))));
// asLocal()
$startDuration = Duration::withHours(-5);
$localOffset = DateAndTime::localOffset();
$difference = $localOffset->minus($startDuration);
$temp = $dateAndTime->asLocal();
$local = DateAndTime::withYearMonthDayHourMinuteSecondOffset(2005, 6, 4, 15 + $difference->hours(), 25, 10, $localOffset);
$this->assertTrue($temp->isEqualTo($local));
// asMonth()
$temp = $dateAndTime->asMonth();
$this->assertTrue($temp->isEqualTo(Month::withMonthYear(6, 2005)));
// asSeconds()
$localOffset = DateAndTime::localOffset();
$this->assertEqual($dateAndTime->asSeconds(), 3295369510 + $localOffset->asSeconds());
// asTime()
$temp = $dateAndTime->asTime();
$this->assertTrue($temp->isEqualTo(Time::withHourMinuteSecond(15, 25, 10)));
$this->assertTrue($temp->isEqualTo(Time::withSeconds(55510)));
// asTimeStamp()
$temp = $dateAndTime->asTimeStamp();
$this->assertTrue($temp->isEqualTo(TimeStamp::withYearMonthDayHourMinuteSecondOffset(2005, 6, 4, 15, 25, 10, Duration::withHours(-5))));
// asUTC()
$temp = $dateAndTime->asUTC();
$this->assertTrue($temp->isEqualTo(DateAndTime::withYearMonthDayHourMinuteSecondOffset(2005, 6, 4, 20, 25, 10, Duration::withHours(0))));
// asWeek()
$temp = $dateAndTime->asWeek();
$this->assertTrue($temp->isEqualTo(Week::starting($dateAndTime)));
// asYear()
$temp = $dateAndTime->asYear();
$this->assertTrue($temp->isEqualTo(Year::starting($dateAndTime)));
// midnight();
$temp = $dateAndTime->atMidnight();
$this->assertTrue($temp->isEqualTo(DateAndTime::withYearMonthDayHourMinuteSecond(2005, 6, 4, 0, 0, 0)));
// middleOf()
$dat = DateAndTime::withYearDay(2005, 100);
$timespan = $dat->middleOf(Duration::withDays(100));
$start = $timespan->start();
$duration = $timespan->duration();
$end = $timespan->end();
$this->assertEqual($start->dayOfYear(), 50);
$this->assertTrue($start->isEqualTo(DateAndTime::withYearDay(2005, 50)));
$this->assertEqual($duration->days(), 100);
$this->assertEqual($end->dayOfYear(), 149);
// to()
$datA = DateAndTime::withYearDay(2005, 125);
$datB = DateAndTime::withYearDay(2006, 125);
$timespan = $datA->to($datB);
$this->assertEqual($timespan->startYear(), 2005);
$this->assertEqual($timespan->dayOfYear(), 125);
$duration = $timespan->duration();
$this->assertTrue($duration->isEqualTo(Duration::withDays(365)));
$end = $timespan->end();
$this->assertEqual($end->julianDayNumber(), 2453860);
$this->assertEqual($end->julianDayNumber() - $datA->julianDayNumber(), 364);
$this->assertEqual($end->year(), 2006);
$this->assertEqual($end->dayOfYear(), 124);
$this->assertTrue($end->isEqualTo(DateAndTime::withYearDayHourMinuteSecond(2006, 124, 23, 59, 59)));
// withOffset()
$temp = $dateAndTime->withOffset(Duration::withHours(-7));
$this->assertTrue($temp->isEqualTo(DateAndTime::withYearMonthDayHourMinuteSecondOffset(2005, 6, 4, 15, 25, 10, Duration::withHours(-7))));
}
/**
* Test utcOffset
*
*/
function test_utcOffset()
{
$dateAndTime = TimeStamp::withYearMonthDayHourMinuteSecondOffset(2005, 6, 4, 15, 25, 10, Duration::withHours(-5));
$atUTC = $dateAndTime->utcOffset(Duration::withHours(0));
$this->assertEqual($dateAndTime->julianDayNumber(), 2453526);
$this->assertEqual($atUTC->julianDayNumber(), 2453526);
$this->assertEqual($dateAndTime->seconds, 55510);
$this->assertEqual($atUTC->seconds, 73510);
$this->assertEqual($dateAndTime->offset->seconds, -18000);
$this->assertEqual($atUTC->offset->seconds, 0);
$this->assertEqual($dateAndTime->printableString(), '4 June 2005 3:25:10 pm');
$this->assertEqual($atUTC->printableString(), '4 June 2005 8:25:10 pm');
}
