public function testDateTime()
{
$container = new Container();
$container->set('unix_jan1_1970', 1);
# $container->set('iso8601_jan1_1970', );
$dt1 = $container->DateTime('unix_jan1_1970');
$this->assertEquals(get_class($dt1), 'DateTime');
$this->assertEquals($dt1->format(\DateTime::ISO8601), '1970-01-01T00:00:01+0000');
$this->assertEquals($dt1->format('U'), 1);
$container->set('iso8601_jan1_1970', $dt1->format(\DateTime::ISO8601));
$dt2 = $container->DateTime('iso8601_jan1_1970');
$this->assertEquals($dt2->format(\DateTime::ISO8601), '1970-01-01T00:00:01+0000');
$this->assertEquals($dt2->format('U'), 1);
$container->set('goingToError', 'hello');
$this->setExpectedException(\Lucid\Container\Exception\DateTimeParseException::class);
$container->DateTime('goingToError');
}
