function testVectorSizeComp()
 {
     $id1 = new LogootId("10000", "10000");
     $pos = new LogootPosition(array($id1, $id1, $id1, $id1, $id1));
     $pos1 = new LogootPosition(array($id1, $id1, $id1));
     $this->assertEquals('-1', $pos->vectorSizeComp($pos1));
     $pos = new LogootPosition(array($id1, $id1, $id1, $id1, $id1));
     $pos1 = new LogootPosition(array($id1, $id1, $id1, $id1, $id1));
     $this->assertEquals('5', $pos->vectorSizeComp($pos1));
 }