public function testTypePie3DExplosion()
{
$value = rand(0, 100);
$oSeries = new Series('Series', array('Jan' => 1, 'Feb' => 5, 'Mar' => 2));
$oSeries->setShowSeriesName(true);
$oPie3D = new Pie3D();
$oPie3D->setExplosion($value);
$oPie3D->addSeries($oSeries);
$phpPresentation = new PhpPresentation();
$oSlide = $phpPresentation->getActiveSlide();
$oChart = $oSlide->createChartShape();
$oChart->getPlotArea()->setType($oPie3D);
$pres = TestHelperDOCX::getDocument($phpPresentation, 'ODPresentation');
$element = '/office:document-content/office:automatic-styles/style:style[@style:name=\'styleSeries0\'][@style:family=\'chart\']/style:chart-properties';
$this->assertTrue($pres->elementExists($element, 'Object 1/content.xml'));
$this->assertEquals($value, $pres->getElementAttribute($element, 'chart:pie-offset', 'Object 1/content.xml'));
}