BrowscapPHP\Exception\ReaderException::userAgentParserError PHP Method

    public static function userAgentParserError($line)
    {
        return new static(sprintf('Cannot extract user agent string from line "%s"', $line));
    }

 /**
  *
  */
 public function testUserAgentParserError()
 {
     /** @var \BrowscapPHP\Exception\ReaderException $exception */
     $exception = ReaderException::userAgentParserError(42);
     self::assertInstanceOf('\\BrowscapPHP\\Exception\\ReaderException', $exception);
     self::assertSame('Cannot extract user agent string from line "42"', $exception->getMessage());
 }