public function testFactor()
{
$this->_object->setFactor(1);
$this->assertSame(1.0, $this->_object->getFactor());
$this->_object->setFactor(1.25);
$this->assertSame(1.25, $this->_object->getFactor());
$this->_object->setFactor(true);
$this->assertSame(1.0, $this->_object->getFactor());
$this->_object->setFactor('200a');
$this->assertSame(200.0, $this->_object->getFactor());
}