public function testToAndFromString() { $this->colCount->setText('20'); $this->assertTrue($this->colCount->getText() == '20'); $newColCount = new Extension\ColCount(); $doc = new \DOMDocument(); $doc->loadXML($this->colCount->saveXML()); $newColCount->transferFromDom($doc->documentElement); $this->assertTrue($this->colCount->getText() == $newColCount->getText()); }