}

    @Test
    @DisplayName("Should write zeros for reserved field")
    void testReservedFieldIsZero() {
        // Given
        Configuration mockConfig = mock(Configuration.class);
        Smb2TreeDisconnectRequest request = new Smb2TreeDisconnectRequest(mockConfig);
        byte[] buffer = new byte[256];
        // Fill with non-zero values first
        for (int i = 0; i < buffer.length; i++) {

        response = new Trans2QueryFSInformationResponse(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        byte[] buffer = new byte[100];
        // Initialize buffer with zeros to avoid random data
        java.util.Arrays.fill(buffer, (byte) 0);

        // Set dataCount to 0 - but decode still runs
        setDataCount(response, 0);

    assertThat(Adapters.INTEGER_AS_LONG.fromDer(bytes)).isEqualTo(-549755813887L)
    assertThat(Adapters.INTEGER_AS_LONG.toDer(-549755813887L)).isEqualTo(bytes)
  }

  @Test fun `eight zeros`() {
    val bytes = "020200ff".decodeHex()
    assertThat(Adapters.INTEGER_AS_LONG.fromDer(bytes)).isEqualTo(255)
    assertThat(Adapters.INTEGER_AS_LONG.toDer(255)).isEqualTo(bytes)
  }

  static long load64Safely(byte[] input, int offset, int length) {
    long result = 0;
    // Due to the way we shift, we can stop iterating once we've run out of data, the rest
    // of the result already being filled with zeros.

    // This loop is critical to performance, so please check HashBenchmark if altering it.
    int limit = min(length, 8);
    for (int i = 0; i < limit; i++) {

        }

        RequestWithFileId request = new Smb2CloseRequest(mockConfig, emptyFileId);

        // All patterns should be accepted
        assertDoesNotThrow(() -> request.setFileId(allZeros), "Should handle all-zeros file ID");
        assertDoesNotThrow(() -> request.setFileId(allOnes), "Should handle all-ones file ID");
        assertDoesNotThrow(() -> request.setFileId(alternating), "Should handle alternating pattern file ID");
    }

	}
	return int64(x)
}

func (f *formatter) formatOctal(b []byte, x int64) {
	if !fitsInOctal(len(b), x) {
		x = 0 // Last resort, just write zero
		f.err = ErrFieldTooLong
	}

	s := strconv.FormatInt(x, 8)
	// Add leading zeros, but leave room for a NUL.
	if n := len(b) - len(s) - 1; n > 0 {
		s = strings.Repeat("0", n) + s
	}
	f.formatString(b, s)
}

            this.salt = salt != null ? salt.clone() : new byte[0];
            this.hashAlgorithm = hashAlgorithm;
            this.currentHash = new byte[HASH_SIZE_SHA512]; // Initialize with zeros
            this.isValid = true;
        }

        public byte[] getSalt() {
            return salt.clone();
        }

        public int getHashAlgorithm() {
            return hashAlgorithm;
        }

        }

        @Test
        @DisplayName("Should read file ID correctly with various patterns")
        void testReadFileIdPatterns() throws Exception {
            // Test with all zeros
            byte[] zeroFileId = new byte[16];
            testFileIdReading(zeroFileId);

            // Test with all ones
            byte[] onesFileId = new byte[16];

        request = new Smb2NegotiateRequest(mockConfig, 0);

        // Then
        byte[] guid = request.getClientGuid();
        assertNotNull(guid);
        assertEquals(16, guid.length);
        // Should be zeros (not set from machine ID)
        for (byte b : guid) {
            assertEquals(0, b);
        }
    }

    @Test
    @DisplayName("Should add negotiate contexts for SMB 3.1.1")

        new SecureRandom().nextBytes(data);

        // Verify data is not all zeros initially
        boolean hasNonZero = false;
        for (byte b : data) {
            if (b != 0) {
                hasNonZero = true;
                break;
            }
        }
        assertTrue(hasNonZero, "Data should have non-zero bytes");

        SecureKeyManager.secureWipe(data);

        // Verify data is wiped