public long getNumber8()
    {
        checkAvailable(8);
        return get(Wire::getUInt64, 8);
    }
@Test(expected = IllegalArgumentException.class)
    public void testGetIncorrectLong()
    {
        ZFrame frame = new ZFrame(new byte[7]);
        ZNeedle needle = new ZNeedle(frame);
        needle.getNumber8();
    }