testBuffer[0] = (byte) 0xFF; // Non-zero = Deny
        testBuffer[1] = (byte) 0xFF; // All flags
        testBuffer[2] = (byte) 0xFF; // Size low byte
        testBuffer[3] = (byte) 0xFF; // Size high byte
        testBuffer[4] = (byte) 0xFF; // Access mask all bits
        testBuffer[5] = (byte) 0xFF;
        testBuffer[6] = (byte) 0xFF;
        testBuffer[7] = (byte) 0xFF;

        // Add minimal SID data

        int impLevel = (buffer[4] & 0xFF) | ((buffer[5] & 0xFF) << 8) | ((buffer[6] & 0xFF) << 16) | ((buffer[7] & 0xFF) << 24);
        assertEquals(Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_IMPERSONATION, impLevel);

        // Check default desired access (0x00120089) at offset 24
        int desiredAccess = (buffer[24] & 0xFF) | ((buffer[25] & 0xFF) << 8) | ((buffer[26] & 0xFF) << 16) | ((buffer[27] & 0xFF) << 24);

        assertEquals(0, zeroAvFlags.getFlags(), "Flags should be 0 for zero bytes");

        // Test with negative integer (two's complement)
        byte[] negativeBytes = new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }; // Represents -1
        AvFlags negativeAvFlags = new AvFlags(negativeBytes);
        assertNotNull(negativeAvFlags, "AvFlags object should not be null for negative bytes");

  }

  public void testFull() {
    // Test 32 byte array of 0xFF.
    byte[] fulls = new byte[32];
    Arrays.fill(fulls, (byte) 0xFF);
    assertCrc(0x62a8ab43, fulls);
  }

  public void testFull100() {
    // Test 100 byte array of 0xFF.
    byte[] fulls = new byte[100];
    Arrays.fill(fulls, (byte) 0xFF);
    assertCrc(0xbc753add, fulls);
  }

  public void testAscending() {

                Arguments.of(0x12345678, new byte[] { 0x78, 0x56, 0x34, 0x12 }),
                Arguments.of(0xFFFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),
                Arguments.of(0x7FFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x7F }));
    }

    @ParameterizedTest
    @MethodSource("int32Provider")

            assertEquals((byte) 0xFF, originalFileId[0], "Original FileId should remain unchanged");
            assertArrayEquals(
                    new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                            (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF },

        key8[1] = (byte) (key[0] << 7 | (key[1] & 0xFF) >>> 1);
        key8[2] = (byte) (key[1] << 6 | (key[2] & 0xFF) >>> 2);
        key8[3] = (byte) (key[2] << 5 | (key[3] & 0xFF) >>> 3);
        key8[4] = (byte) (key[3] << 4 | (key[4] & 0xFF) >>> 4);
        key8[5] = (byte) (key[4] << 3 | (key[5] & 0xFF) >>> 5);
        key8[6] = (byte) (key[5] << 2 | (key[6] & 0xFF) >>> 6);
        key8[7] = (byte) (key[6] << 1);

            block = (ALPHABET.indexOf(string.charAt(i++)) & 0xff) << 18 | (ALPHABET.indexOf(string.charAt(i++)) & 0xff) << 12
                    | (ALPHABET.indexOf(string.charAt(i++)) & 0xff) << 6 | ALPHABET.indexOf(string.charAt(i++)) & 0xff;
            buffer[index] = (byte) (block >>> 16);
            index++;
            if (index < size) {
                buffer[index++] = (byte) (block >>> 8 & 0xff);
            }
            if (index < size) {

    var accumulatorBitCount = 0
    for (i in 0 until byteCount) {
      val byteIn = source.readByte() and 0xff
      accumulator = accumulator shl 8 or byteIn
      accumulatorBitCount += 8
      while (accumulatorBitCount >= 8) {
        val childIndex = (accumulator ushr (accumulatorBitCount - 8)) and 0xff
        node = node.children!![childIndex]!!
        if (node.children == null) {
          // Terminal node.

        byte[] dst = new byte[4];

        SMB1SigningDigest.writeUTime(mockConfig, 0L, dst, 0);

        assertEquals((byte) 0xFF, dst[0]);
        assertEquals((byte) 0xFF, dst[1]);
        assertEquals((byte) 0xFF, dst[2]);
        assertEquals((byte) 0xFF, dst[3]);
    }

    @Test
    @DisplayName("Test writeUTime with max time")
    void testWriteUTimeWithMaxTime() {