PhpOffice\PhpPresentation\Shape\Chart\Series::setHashIndex PHP Method

    public function setHashIndex($value)
    {
        $this->hashIndex = $value;
        return $this;
    }

 public function testHashIndex()
 {
     $object = new Series();
     $value = rand(1, 100);
     $this->assertEmpty($object->getHashIndex());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Series', $object->setHashIndex($value));
     $this->assertEquals($value, $object->getHashIndex());
 }