PhpOffice\PhpPresentation\Shape\Chart\Series::setShowPercentage PHP Метод

    public function setShowPercentage($value)
    {
        $this->showPercentage = $value;
        return $this;
    }

 public function testShowPercentage()
 {
     $object = new Series();
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Series', $object->setShowPercentage(true));
     $this->assertTrue($object->hasShowPercentage());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Series', $object->setShowPercentage(false));
     $this->assertFalse($object->hasShowPercentage());
 }