PhpOffice\PhpPresentation\Shape\RichText\TextElement::hasHyperlink PHP Method

    public function hasHyperlink()
    {
        return !is_null($this->hyperlink);
    }

 public function testHyperlink()
 {
     $object = new TextElement();
     $this->assertFalse($object->hasHyperlink());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText\\TextElement', $object->setHyperlink());
     $this->assertFalse($object->hasHyperlink());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Hyperlink', $object->getHyperlink());
     $this->assertTrue($object->hasHyperlink());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText\\TextElement', $object->setHyperlink(new Hyperlink('http://www.google.fr')));
     $this->assertTrue($object->hasHyperlink());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Hyperlink', $object->getHyperlink());
 }