public function testToiCalendar()
{
$test = new Horde_Date('20100101130000');
$this->assertEquals('20100101T130000', $test->toiCalendar(true));
$this->assertEquals('20100101T120000Z', $test->toiCalendar(false));
$test = new Horde_Date('20100101130000', 'America/Argentina/Buenos_Aires');
$this->assertEquals('20100101T130000', $test->toiCalendar(true));
$this->assertEquals('20100101T160000Z', $test->toiCalendar(false));
}