public function testIncludes()
{
$s = new Horde_Date_Span(new Horde_Date('2006-08-16 00:00:00'), new Horde_Date('2006-08-17 00:00:00'));
$this->assertTrue($s->includes(new Horde_Date('2006-08-16 12:00:00')));
$this->assertFalse($s->includes(new Horde_Date('2006-08-15 00:00:00')));
$this->assertFalse($s->includes(new Horde_Date('2006-08-18 00:00:00')));
}