if (byte2 > (byte) 0xBF
            // Check that 1 <= plane <= 16. Tricky optimized form of:
            // if (byte1 > (byte) 0xF4
            //     || byte1 == (byte) 0xF0 && byte2 < (byte) 0x90
            //     || byte1 == (byte) 0xF4 && byte2 > (byte) 0x8F)
            || (((byte1 << 28) + (byte2 - (byte) 0x90)) >> 30) != 0
            // Third byte trailing-byte test
            || bytes[index++] > (byte) 0xBF

    private static final int TEST_CONTROL_CODE = Smb2IoctlRequest.FSCTL_DFS_GET_REFERRALS;
    private static final byte[] TEST_FILE_ID = new byte[16];
    private static final byte[] TEST_OUTPUT_BUFFER = new byte[1024];

    @BeforeEach
    void setUp() {
        Arrays.fill(TEST_FILE_ID, (byte) 0x42);
    }

    private void setupMockConfig() {
        when(mockConfig.getTransactionBufferSize()).thenReturn(65536);
    }

        byte[] maxGuid = new byte[16];
        Arrays.fill(maxGuid, (byte) 0xFF);

        ValidateNegotiateInfoRequest request =
                new ValidateNegotiateInfoRequest(DEFAULT_CAPABILITIES, maxGuid, DEFAULT_SECURITY_MODE, defaultDialects);

        byte[] buffer = new byte[request.size()];
        request.encode(buffer, 0);

        // Verify max GUID
        byte[] extractedGuid = new byte[16];

    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() {
    // Test 32 byte arrays of ascending.
    byte[] ascending = new byte[32];
    for (int i = 0; i < 32; i++) {
      ascending[i] = (byte) i;
    }

)

var compareTests = []struct {
	a, b []byte
	i    int
}{
	{[]byte(""), []byte(""), 0},
	{[]byte("a"), []byte(""), 1},
	{[]byte(""), []byte("a"), -1},
	{[]byte("abc"), []byte("abc"), 0},
	{[]byte("abd"), []byte("abc"), 1},
	{[]byte("abc"), []byte("abd"), -1},
	{[]byte("ab"), []byte("abc"), -1},
	{[]byte("abc"), []byte("ab"), 1},
	{[]byte("x"), []byte("ab"), 1},
	{[]byte("ab"), []byte("x"), -1},
	{[]byte("x"), []byte("a"), 1},

        // Given - Create a complete SMB2 message with header
        byte[] buffer = new byte[512];
        int headerStart = 0;
        int bodyStart = Smb2Constants.SMB2_HEADER_LENGTH;

        // Write SMB2 header (64 bytes)
        // Protocol ID
        System.arraycopy(new byte[] { (byte) 0xFE, 'S', 'M', 'B' }, 0, buffer, headerStart, 4);
        // Structure size (64)

        }

        @Test
        @DisplayName("Should throw IOException for fragment length exceeding max")
        void testDoSendReceiveFragment_FragmentTooLarge() throws Exception {
            DcerpcPipeHandle handle = createMockedDcerpcPipeHandle();

            byte[] buf = new byte[50];
            byte[] inB = new byte[100];

            new byte[] {LEAST},
            new byte[] {LEAST, LEAST},
            new byte[] {LEAST, (byte) 1},
            new byte[] {(byte) 1},
            new byte[] {(byte) 1, LEAST},
            new byte[] {GREATEST, GREATEST - (byte) 1},
            new byte[] {GREATEST, GREATEST},
            new byte[] {GREATEST, GREATEST, GREATEST});

    Comparator<byte[]> comparator = SignedBytes.lexicographicalComparator();

        void testReadBytesWireFormatNegativeAsUnsigned() {
            // Given
            byte[] buffer = new byte[10];
            // Write -1 which will be read as 65535 unsigned
            buffer[0] = (byte) 0xFF;
            buffer[1] = (byte) 0xFF;

            // When & Then
            SMBProtocolDecodingException exception =

    private int state = 1;

    private final CIFSContext transportContext;

    private String targetName;
    private byte[] type1Bytes;

    private byte[] signKey;
    private byte[] verifyKey;
    private byte[] sealClientKey;
    private byte[] sealServerKey;

    private Cipher sealClientHandle;
    private Cipher sealServerHandle;

    /**