public function testCustomDocumentLayout()
{
$oPhpPresentation = new PhpPresentation();
$oDocumentLayout = new DocumentLayout();
$oDocumentLayout->setDocumentLayout(array('cx' => rand(1, 100), 'cy' => rand(1, 100)));
$oPhpPresentation->setLayout($oDocumentLayout);
$pres = TestHelperDOCX::getDocument($oPhpPresentation, 'ODPresentation');
$element = "/office:document-styles/office:automatic-styles/style:page-layout";
$this->assertTrue($pres->elementExists($element, 'styles.xml'));
$this->assertEquals('sPL0', $pres->getElementAttribute($element, 'style:name', 'styles.xml'));
$element = "/office:document-styles/office:master-styles/style:master-page";
$this->assertTrue($pres->elementExists($element, 'styles.xml'));
$this->assertEquals('sPL0', $pres->getElementAttribute($element, 'style:page-layout-name', 'styles.xml'));
}