/**
  * @inheritdoc
  */
 public function getFormat()
 {
     if (!$this->format instanceof FormatInterface) {
         $this->format = new StringFormat();
     }
     return parent::getFormat();
 }
 public function testSetAndGetFormat()
 {
     $format = $this->getMockForAbstractClass('PositionalFile\\Format\\AbstractFormat');
     $this->object->setFormat($format);
     $this->assertInstanceOf('PositionalFile\\Format\\FormatInterface', $this->object->getFormat());
 }