Cookie cookie;

        roleSet = buildByCookie(roleQueryHelperImpl, getMockRequest());
        assertEquals(0, roleSet.size());

        cookie = new Cookie("aaa", "bbb");
        getMockRequest().addCookie(cookie);
        try {
            roleSet = buildByCookie(roleQueryHelperImpl, getMockRequest());
            fail();
        } catch (final NullPointerException e) {
            // ok
        }

        if (cookieStore != null) {
            final Cookie[] cookies = getInitParameter(COOKIES_PROPERTY, new Cookie[0], Cookie[].class);
            for (final Cookie cookie : cookies) {
                cookieStore.addCookie(cookie);
            }
        }

        // cookie registry
        final Lookup<CookieSpecProvider> cookieSpecRegistry = buildCookieSpecRegistry();
        if (cookieSpecRegistry != null) {