PhpOffice\PhpPresentation\Shape\RichText::isVertical PHP Method

    public function isVertical()
    {
        return $this->vertical;
    }

 public function testGetSetVertical()
 {
     $object = new RichText();
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText', $object->setVertical());
     $this->assertFalse($object->isVertical());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText', $object->setVertical(true));
     $this->assertTrue($object->isVertical());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText', $object->setVertical(false));
     $this->assertFalse($object->isVertical());
 }