public function testRender()
{
$expectedElement = '/p:viewPr';
$oPhpPresentation = new PhpPresentation();
$oXMLDoc = TestHelperDOCX::getDocument($oPhpPresentation, 'PowerPoint2007');
$this->assertTrue($oXMLDoc->fileExists('ppt/viewProps.xml'));
$this->assertTrue($oXMLDoc->elementExists($expectedElement, 'ppt/viewProps.xml'));
$this->assertEquals('0', $oXMLDoc->getElementAttribute($expectedElement, 'showComments', 'ppt/viewProps.xml'));
$this->assertEquals(PresentationProperties::VIEW_SLIDE, $oXMLDoc->getElementAttribute($expectedElement, 'lastView', 'ppt/viewProps.xml'));
}