public function testGetSetProperties() { $object = new PhpProject(); $oProperties = new DocumentProperties(); $this->assertInstanceOf('PhpOffice\\PhpProject\\DocumentProperties', $object->getProperties()); $this->assertInstanceOf('PhpOffice\\PhpProject\\PhpProject', $object->setProperties($oProperties)); $this->assertInstanceOf('PhpOffice\\PhpProject\\DocumentProperties', $object->getProperties()); }