BrowscapPHP\Helper\Converter::getFilesystem PHP Method

    public function getFilesystem()
    {
        if (null === $this->filessystem) {
            $this->filessystem = new Filesystem();
        }
        return $this->filessystem;
    }

 /**
  *
  */
 public function testSetGetFilesystem()
 {
     self::assertInstanceOf('\\BrowscapPHP\\Helper\\Filesystem', $this->object->getFilesystem());
     /** @var \BrowscapPHP\Helper\Filesystem $file */
     $file = $this->getMock('\\BrowscapPHP\\Helper\\Filesystem', array(), array(), '', false);
     self::assertSame($this->object, $this->object->setFilesystem($file));
     self::assertSame($file, $this->object->getFilesystem());
 }