public function testSave()
{
$filename = tempnam(sys_get_temp_dir(), 'PhpPresentation');
$imageFile = PHPPRESENTATION_TESTS_BASE_DIR . '/resources/images/PhpPresentationLogo.png';
$oPhpPresentation = new PhpPresentation();
$slide = $oPhpPresentation->getActiveSlide();
$slide->createRichTextShape();
$slide->createLineShape(10, 10, 10, 10);
$slide->createChartShape()->getPlotArea()->setType(new \PhpOffice\PhpPresentation\Shape\Chart\Type\Bar3D());
$slide->createDrawingShape()->setName('Drawing')->setPath($imageFile);
$slide->createTableShape()->createRow();
$object = new ODPresentation($oPhpPresentation);
$object->save($filename);
$this->assertTrue(file_exists($filename));
unlink($filename);
}