public function testSetGetHeaderLines() { $data = [['text' => 'some text', 'position' => 'center', 'font' => ['family' => 'Helvetica', 'weight' => 'normal', 'size' => 8]]]; $this->model->setHeaderLines($data); $this->assertInstanceOf('UthandoDomPdf\\Model\\PdfHeaderCollection', $this->model->getHeaderLines()); $this->setExpectedException('Zend\\Stdlib\\Exception\\InvalidArgumentException'); $this->model->setHeaderLines('invailid data'); $this->fail('Expected exception "Zend\\Stdlib\\Exception\\InvalidArgumentException" not thrown'); }