roleQueryHelperImpl.encryptedCookieValue = true;
        cookie = new Cookie("fess2x", "fail");
        getMockRequest().addCookie(cookie);
        roleSet = buildByCookie(roleQueryHelperImpl, getMockRequest());
        assertEquals(0, roleSet.size());

        roleQueryHelperImpl.cookieKey = "fess3";

        roleQueryHelperImpl.encryptedCookieValue = false;

        this.cookieKey = cookieKey;
    }

    /**
     * Sets whether the cookie value is encrypted.
     * @param encryptedCookieValue Whether the cookie value is encrypted.
     */
    public void setEncryptedCookieValue(final boolean encryptedCookieValue) {
        this.encryptedCookieValue = encryptedCookieValue;
    }

    /**
     * Sets the maximum age of the role information in seconds.