return (getContextFlags() & flag) == flag;
    }

    /**
     * Sets or clears a specific context flag
     * @param flag the context flag to set or clear
     * @param value true to set the flag, false to clear it
     */
    public void setContextFlag(final int flag, final boolean value) {
        setContextFlags(value ? getContextFlags() | flag : getContextFlags() & (0xffffffff ^ flag));

    void testSetAndGetContextFlags() {
        NegTokenInit init = new NegTokenInit();
        assertEquals(0, init.getContextFlags());

        init.setContextFlag(NegTokenInit.CONFIDENTIALITY, true);
        assertTrue(init.getContextFlag(NegTokenInit.CONFIDENTIALITY));
        assertEquals(NegTokenInit.CONFIDENTIALITY, init.getContextFlags());

        init.setContextFlag(NegTokenInit.INTEGRITY, true);