/**
         *
         */
        private final SmbFileFilter ff;

        /**
         * @param ff
         */
        ResourceFilterWrapper(final SmbFileFilter ff) {
            this.ff = ff;
        }

        SmbFileFilter getFileFilter() {
            return this.ff;
        }

        @Override

        int D = context[3];

        A = FF(A, B, C, D, X[0], 3);
        D = FF(D, A, B, C, X[1], 7);
        C = FF(C, D, A, B, X[2], 11);
        B = FF(B, C, D, A, X[3], 19);
        A = FF(A, B, C, D, X[4], 3);
        D = FF(D, A, B, C, X[5], 7);
        C = FF(C, D, A, B, X[6], 11);
        B = FF(B, C, D, A, X[7], 19);
        A = FF(A, B, C, D, X[8], 3);
        D = FF(D, A, B, C, X[9], 7);

00000a0 ff c2 54 8e 57 39 00 05 00 fa ff 00 05 00 fa ff
00000b0 00 14 00 eb ff 42 88 21 c4 00 00 14 00 eb ff 42
00000c0 88 21 c4 00 00 14 00 eb ff 42 88 21 c4 00 00 14
00000d0 00 eb ff 42 88 21 c4 00 00 14 00 eb ff 42 88 21
00000e0 c4 00 00 00 00 ff ff 00 00 00 ff ff 00 34 00 cb
00000f0 ff 42 88 21 c4 00 00 00 00 ff ff 00 00 00 ff ff
0000100 00 34 00 cb ff 42 e8 21 5e 0f 00 00 00 ff ff 0a
0000110 f0 66 64 12 61 c0 15 dc e8 a0 48 bf 48 af 2a b3

                    buf[p++] = (byte) der.length;
                    System.arraycopy(der, 0, buf, p, der.length);
                    p += der.length;
                    // NAME_LEN = 0xFF FF FF FF
                    buf[p++] = (byte) 0xFF;
                    buf[p++] = (byte) 0xFF;
                    buf[p++] = (byte) 0xFF;
                    buf[p++] = (byte) 0xFF;
                    return buf;

        // Test positive values
        assertEquals("000000FF", Hexdump.toHexString(255, 8));
        assertEquals("00FF", Hexdump.toHexString(255, 4));
        assertEquals("FF", Hexdump.toHexString(255, 2));

        // Test larger values
        assertEquals("00001234", Hexdump.toHexString(0x1234, 8));
        assertEquals("1234", Hexdump.toHexString(0x1234, 4));

            throws SmbException {
        final ArrayList list = new ArrayList();
        doEnum(list, false, wildcard, searchAttributes, fnf, ff);
        return (String[]) list.toArray(new String[list.size()]);
    }

    SmbFile[] listFiles(final String wildcard, final int searchAttributes, final SmbFilenameFilter fnf, final SmbFileFilter ff)
            throws SmbException {

        AvFlags negativeAvFlags = new AvFlags(negativeBytes);
        assertNotNull(negativeAvFlags, "AvFlags object should not be null for negative bytes");
        assertEquals(-1, negativeAvFlags.getFlags(), "Flags should be -1 for all FF bytes");
    }

    /**
     * Test constructor with integer flags.
     */
    @Test
    void testAvFlagsIntConstructor() {
        // Test with a positive integer
        int flags = 0x12345678;

  // masking the remaining seven bytes.
  // To test this, we give an input where bit 7 is not cleared. For example:
  // (1) 00 01 02 03 04 05 06 07 80
  // (2) 00 01 02 03 04 05 06 07 81
  // (3) 00 01 02 03 04 05 06 07 ff (or anything in between)
  // A fault implementation will generate collisions for these inputs.
  public void testCollisionsDueToIncorrectSignExtension() {

  // masking the remaining seven bytes.
  // To test this, we give an input where bit 7 is not cleared. For example:
  // (1) 00 01 02 03 04 05 06 07 80
  // (2) 00 01 02 03 04 05 06 07 81
  // (3) 00 01 02 03 04 05 06 07 ff (or anything in between)
  // A fault implementation will generate collisions for these inputs.
  public void testCollisionsDueToIncorrectSignExtension() {

        assertEquals("FFFFFFFF", Hexdump.toHexString(-1, 8));

        // Test different sizes
        assertEquals("00", Hexdump.toHexString(0, 2));
        assertEquals("FF", Hexdump.toHexString(255, 2));
        assertEquals("1234", Hexdump.toHexString(0x1234, 4));
    }

    @Test
    @DisplayName("Should convert long to hex string with padding")
    void testLongToHexString() {