protected function _cookieMatch($expected, $headers) {
		$defaults = array('path' => '/', 'name' => '[\w.-]+');
		$expected += $defaults;

		$headers = ($headers) ?: headers_list();
		$value = preg_quote(urlencode($expected['value']), '/');

		$key = explode('.', $expected['key']);
		$key = (count($key) == 1) ? '[' . current($key) . ']' : ('[' . join('][', $key) . ']');
		$key = preg_quote($key, '/');

		if (isset($expected['expires'])) {
			$date = gmdate('D, d-M-Y H:i:s \G\M\T', strtotime($expected['expires']));
			$expires = preg_quote($date, '/');
		} else {
			$expires = '(?:.+?)';
		}
		$path = preg_quote($expected['path'], '/');
		$pattern  = "/^Set\-Cookie:\s{$expected['name']}$key=$value;";
		$pattern .= "\sexpires=$expires;\spath=$path/";
		$match = false;

		foreach ($headers as $header) {
			if (preg_match($pattern, $header)) {
				$match = true;
				continue;
			}
		}
		return compact('match', 'pattern');
	}