public function testBulletStyle()
{
$object = new Paragraph();
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Style\\Bullet', $object->getBulletStyle());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText\\Paragraph', $object->setBulletStyle());
$this->assertNull($object->getBulletStyle());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText\\Paragraph', $object->setBulletStyle(new Bullet()));
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Style\\Bullet', $object->getBulletStyle());
}