/**
    * Sent by the server in the Type 2 message to indicate that it is
    * including a Target Information block in the message.  The Target
    * Information block is used in the calculation of the NTLMv2 response.
    */
    int NTLMSSP_NEGOTIATE_TARGET_INFO = 0x00800000;

    /**
    * Indicates that 128-bit encryption is supported.
    */
    int NTLMSSP_NEGOTIATE_128 = 0x20000000;

                0, // shareAccess
                0, // extFileAttributes
                createOptions, mockAndX);
    }

    @Nested
    @DisplayName("Constructor createDisposition calculation")
    class CreateDispositionTests {
        static java.util.stream.Stream<Arguments> flagsProvider() {
            return java.util.stream.Stream.of(

            response.readDataWireFormat(buffer, 0, 0);
        });
    }

    @Test
    @DisplayName("Test readDataWireFormat preserves buffer index calculation")
    void testReadDataWireFormatBufferIndexCalculation() throws Exception {
        byte[] buffer = createValidSecurityDescriptorBuffer();
        int startIndex = 10;

        // Prepare buffer with offset

            assertEquals(2500L * 16 * 1024, fileFsSizeInfo.getFree());
        }
    }

    @Nested
    @DisplayName("Capacity and Free Space Calculation Tests")
    class CapacityCalculationTests {

        @Test
        @DisplayName("Should calculate capacity correctly")
        void shouldCalculateCapacityCorrectly() throws SMBProtocolDecodingException {

        return if (delta > 0L) delta / 10 else 0L
      }

      return 0L
    }

    /**
     * Returns the current age of the response, in milliseconds. The calculation is specified by RFC
     * 7234, 4.2.3 Calculating Age.
     */
    private fun cacheResponseAge(): Long {
      val servedDate = this.servedDate
      val apparentReceivedAge =
        if (servedDate != null) {

        // When
        int size = request.size();

        // Then
        // Verify size includes SMB2_HEADER_LENGTH
        assertTrue(size >= Smb2Constants.SMB2_HEADER_LENGTH);

        // The actual calculation: (SMB2_HEADER_LENGTH + 4 + 7) & ~7
        int expectedBase = Smb2Constants.SMB2_HEADER_LENGTH + 4;
        int expectedAligned = (expectedBase + 7) & ~7;
        assertEquals(expectedAligned, size);
    }

            // Create valid signature using HmacSHA256
            Mac mac = Mac.getInstance("HmacSHA256");
            mac.init(new SecretKeySpec(sessionKey, "HmacSHA256"));

            // Zero signature field for calculation
            for (int i = 0; i < SIGNATURE_LENGTH; i++) {
                data[SIGNATURE_OFFSET + i] = 0;
            }

            mac.update(data, 0, data.length);
            byte[] signature = mac.doFinal();

      return;
    }

    xStats.addAll(values.xStats());
    if (yStats.count() == 0) {
      sumOfProductsOfDeltas = values.sumOfProductsOfDeltas();
    } else {
      // This is a generalized version of the calculation in add(double, double) above. Note that
      // non-finite inputs will have sumOfProductsOfDeltas = NaN, so non-finite values will result
      // in NaN naturally.
      sumOfProductsOfDeltas +=

     * @param messageData the message data to hash
     * @param hashAlgorithm the hash algorithm to use
     * @return the new hash
     * @throws CIFSException if hash calculation fails
     */
    private byte[] calculateHash(byte[] previousHash, byte[] messageData, int hashAlgorithm) throws CIFSException {
        try {
            MessageDigest digest;
            switch (hashAlgorithm) {

            for (int i = 0; i < cipherCount; i++) {
                assertEquals(i + 1, context.getCiphers()[i]);
            }
        }
    }

    @Nested
    @DisplayName("Size Calculation Tests")
    class SizeCalculationTests {

        @Test
        @DisplayName("Should calculate size for null ciphers")
        void testSizeWithNullCiphers() {