/**
  *    Tests cookie for matching against search
  *    criteria.
  *    @param SimpleTest $cookie    Cookie to test.
  *    @param string $host          Host must match.
  *    @param string $path          Cookie path must be shorter than
  *                                 this path.
  *    @param string $name          Name must match.
  *    @return boolean              True if matched.
  *    @access private
  */
 function _isMatch($cookie, $host, $path, $name)
 {
     if ($cookie->getName() != $name) {
         return false;
     }
     if ($host && $cookie->getHost() && !$cookie->isValidHost($host)) {
         return false;
     }
     if (!$cookie->isValidPath($path)) {
         return false;
     }
     return true;
 }