PhpPresentation\Tests\Writer\PowerPoint2007\PptChartsTest::testTitleVisibility PHP Method

    public function testTitleVisibility()
    {
        $element = '/c:chartSpace/c:chart/c:autoTitleDeleted';
        $oSlide = $this->oPresentation->getActiveSlide();
        $oShape = $oSlide->createChartShape();
        $oLine = new Line();
        $oShape->getPlotArea()->setType($oLine);
        $this->assertTrue($oShape->getTitle()->isVisible());
        $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Title', $oShape->getTitle()->setVisible(true));
        $oXMLDoc = TestHelperDOCX::getDocument($this->oPresentation, 'PowerPoint2007');
        $this->assertTrue($oXMLDoc->elementExists($element, 'ppt/charts/' . $oShape->getIndexedFilename()));
        $this->assertEquals('0', $oXMLDoc->getElementAttribute($element, 'val', 'ppt/charts/' . $oShape->getIndexedFilename()));
        $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Title', $oShape->getTitle()->setVisible(false));
        $oXMLDoc = TestHelperDOCX::getDocument($this->oPresentation, 'PowerPoint2007');
        $this->assertTrue($oXMLDoc->elementExists($element, 'ppt/charts/' . $oShape->getIndexedFilename()));
        $this->assertEquals('1', $oXMLDoc->getElementAttribute($element, 'val', 'ppt/charts/' . $oShape->getIndexedFilename()));
    }