// Prepare test data
        byte[] buffer = new byte[64];
        int bufferIndex = 10;

        // Set capabilities (4 bytes)
        int testCapabilities = 0x12345678;
        SMBUtil.writeInt4(testCapabilities, buffer, bufferIndex);

        // Set server GUID (16 bytes)
        byte[] testGuid = new byte[16];
        for (int i = 0; i < 16; i++) {

    @DisplayName("Test decode with typical values")
    void testDecodeWithTypicalValues() throws SMBProtocolDecodingException {
        // Prepare test data
        byte[] buffer = new byte[22];
        int idFileSystem = 0x12345678;
        int sectPerAlloc = 8;
        long alloc = 1000000L;
        long free = 500000L;
        int bytesPerSect = 512;

        // Encode test data
        int offset = 0;

    }

    @Test
    @DisplayName("Test desired access setter")
    void testSetDesiredAccess() {
        request = new Smb2CreateRequest(mockConfig, "test.txt");

        int access = 0x12345678;
        request.setDesiredAccess(access);

        byte[] buffer = new byte[1024];
        request.writeBytesWireFormat(buffer, 0);

  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  private static final String ALMOST_TOO_LONG = Strings.repeat("aaaaa.", 40) + "1234567890.c";

  private static final ImmutableSet<String> VALID_NAME =
      ImmutableSet.of(
          // keep-sorted start
          "123.cn",
          "8server.shop",
          "a" + DELTA + "b.com",

    void testGetFileIndex() throws SMBProtocolDecodingException {
        // Prepare test data
        byte[] buffer = createValidBuffer("file.txt", "FILE~1.TXT", true);
        int expectedFileIndex = 0x12345678;
        SMBUtil.writeInt4(expectedFileIndex, buffer, 4);

        // Decode
        fileBothDirectoryInfo.decode(buffer, 0, buffer.length);

        // Verify

        @ValueSource(strings = { "Simple ASCII", "Special chars: !@#$%^&*()", "Unicode: ñöt ascii ℃", "Mixed: ASCII + 中文 + Русский",
                "Emojis: 🎉🌟💻", "Very long string with multiple words and various characters 1234567890" })
        void testGetBytesWithVariousInputs(String input) {
            // When
            byte[] result = Strings.getBytes(input, StandardCharsets.UTF_8);

            // Then

     * Returns the RPC interface syntax UUID and version for SAMR protocol.
     *
     * @return The SAMR interface UUID string
     */
    public static String getSyntax() {
        return "12345778-1234-abcd-ef00-0123456789ac:1.0";
    }

    /** Account control bit flag: Account is disabled */
    public static final int ACB_DISABLED = 1;
    /** Account control bit flag: Home directory is required */

     * Returns the RPC interface syntax UUID and version for SAMR protocol.
     *
     * @return The SAMR interface UUID string
     */
    public static String getSyntax() {
        return "12345778-1234-abcd-ef00-0123456789ac:1.0";
    }

    /** Account control bit flag: Account is disabled */
    public static final int ACB_DISABLED = 1;
    /** Account control bit flag: Home directory is required */

    void testReadBytesWireFormatReserved2Field() throws Exception {
        // Given
        byte[] buffer = new byte[256];
        int bodyStart = 0;
        int dataOffsetFromHeader = 80;
        int reserved2Value = 0x12345678;

        // Write structure
        SMBUtil.writeInt2(17, buffer, bodyStart);
        buffer[bodyStart + 2] = (byte) dataOffsetFromHeader;
        SMBUtil.writeInt4(10, buffer, bodyStart + 4);

  static final double ONE_VALUE = 12.34;

  static final double OTHER_ONE_VALUE = -56.78;

  static final ImmutableList<Double> TWO_VALUES = ImmutableList.of(12.34, -56.78);
  static final double TWO_VALUES_MEAN = (12.34 - 56.78) / 2;
  static final double TWO_VALUES_SUM_OF_SQUARES_OF_DELTAS =
      (12.34 - TWO_VALUES_MEAN) * (12.34 - TWO_VALUES_MEAN)
          + (-56.78 - TWO_VALUES_MEAN) * (-56.78 - TWO_VALUES_MEAN);