/**
  * Test create new instance
  */
 public function testConstruct()
 {
     $objectPrefix = 'PhpOffice\\PhpPowerpoint\\Writer\\ODPresentation\\';
     $parts = array('content' => 'Content', 'manifest' => 'Manifest', 'meta' => 'Meta', 'mimetype' => 'Mimetype', 'styles' => 'Styles', 'drawing' => 'Drawing');
     $phpPowerPoint = new PhpPowerpoint();
     $phpPowerPoint->getActiveSlide()->createDrawingShape();
     $object = new ODPresentation($phpPowerPoint);
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\PhpPowerpoint', $object->getPHPPowerPoint());
     $this->assertEquals('./', $object->getDiskCachingDirectory());
     foreach ($parts as $partName => $objectName) {
         $this->assertInstanceOf($objectPrefix . $objectName, $object->getWriterPart($partName));
     }
     $this->assertInstanceOf('PhpOffice\\PhpPowerpoint\\HashTable', $object->getDrawingHashTable());
 }