assertEquals(2, roleSet.size());
        assertTrue(roleSet.contains("role1"));
        assertTrue(roleSet.contains("role2"));

        roleQueryHelperImpl.valueSeparator = "";

        encrypted = false;
        value = "";
        roleSet = decodedRoleList(roleQueryHelperImpl, value, encrypted);
        assertEquals(0, roleSet.size());

        encrypted = false;

        this.cipher = cipher;
    }

    /**
     * Sets the value separator.
     * @param valueSeparator The value separator.
     */
    public void setValueSeparator(final String valueSeparator) {
        this.valueSeparator = valueSeparator;
    }

    /**
     * Sets the role separator.
     * @param roleSeparator The role separator.
     */