public function testPresentationProperties() { $object = new PhpPresentation(); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\PresentationProperties', $object->getPresentationProperties()); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\PhpPresentation', $object->setPresentationProperties(new PresentationProperties())); $this->assertInstanceOf('PhpOffice\\PhpPresentation\\PresentationProperties', $object->getPresentationProperties()); }