public function testConstructorMitNegativerZeit()
{
$time = new MultiZeit("-10:00:00");
$this->assertEquals("-10:00:00", $time->__toString());
$this->assertEquals("-10:00:00", $time->format());
$this->assertEquals("-10:00", $time->format("H:i"));
$this->assertEquals(-10, $time->hour());
$this->assertEquals(0, $time->minute());
$this->assertEquals(0, $time->second());
$this->assertEquals(-36000, $time->inSeconds());
}