message.setFlag(0b0100, true);
        assertEquals(0b0101, message.getFlags(), "Flag 0b0100 should be added to existing flags.");

        // Test clearing a flag
        message.setFlag(0b0001, false);
        assertEquals(0b0100, message.getFlags(), "Flag 0b0001 should be cleared.");

        message.setFlag(0b0100, false);

      mergeAdjacentRanges(
        listOf(
          Mapping(0x0000, 0x002c, TYPE_DISALLOWED_STD3_VALID, ByteString.EMPTY),
        ),
      ),
    ).containsExactly(
      Mapping(0x0000, 0x002c, TYPE_VALID, ByteString.EMPTY),
    )
  }

  @Test fun simplifyCombinesCanonicalEquivalent() {
    assertThat(
      mergeAdjacentRanges(
        listOf(
          Mapping(0x0000, 0x002c, TYPE_DISALLOWED_STD3_VALID, ByteString.EMPTY),

        // Verify content
        assertEquals(SmbComTransaction.TRANS2_QUERY_FS_INFORMATION, buffer[0]);
        assertEquals(0x00, buffer[1]);
        assertEquals(0x03, buffer[2]); // Low byte of 0x0103
        assertEquals(0x01, buffer[3]); // High byte of 0x0103
    }

    @DisplayName("Test toString with different information levels")
    @ParameterizedTest
    @CsvSource({ "-1, fff", // SMB_INFO_ALLOCATION

            // Since FLAGS2_RESOLVE_PATHS_IN_DFS is 0x1000, when cast to byte it becomes 0
            // Therefore the method will always return false unless flags has all 0x00 bits set
            // This test verifies actual behavior
            testBlock.setFlags((byte) 0x00);
            assertFalse(testBlock.isResolveInDfs());

    /**
     * Create new RDMA negotiation response
     */
    public RdmaNegotiateResponse() {
        // Initialize with default values
        this.status = 0; // Success
        this.selectedVersion = 0x0100; // SMB Direct 1.0
        this.creditsGranted = 0;
        this.maxReceiveSize = RdmaCapabilities.DEFAULT_MAX_RECEIVE_SIZE;
        this.maxReadWriteSize = RdmaCapabilities.DEFAULT_MAX_READ_WRITE_SIZE;

        assertEquals(8, bytesWritten);

        // Verify watchTree flag is set to 0x01
        assertEquals(0x01, dst[dstIndex + 6]);
    }

    @ParameterizedTest
    @DisplayName("Test writeSetupWireFormat with various FID values")
    @ValueSource(ints = { 0x0000, 0x0001, 0x7FFF, 0xFFFF, 0x1234, 0xABCD })
    void testWriteSetupWireFormatWithVariousFids(int fid) {

    void createOptionsAddedWhenLow() {
        // createOptions less than 0x0001 (i.e., 0) should be padded with 0x0040
        SmbComNTCreateAndX req = createRequest(0, 0);
        int actual = (int) getPrivateField(req, "createOptions");
        assertEquals(0x0040, actual, "createOptions should be padded with 0x0040");
    }

    @Test
    @DisplayName("addFlags0 combines flags correctly")
    void addFlags0() {

        assertEquals(0x00, dst[dstIndex + 2]);
        assertEquals(0x00, dst[dstIndex + 3]);

        // Verify security information (4 bytes)
        assertEquals(securityInfo, SMBUtil.readInt4(dst, dstIndex + 4));
    }

    @ParameterizedTest
    @DisplayName("Test writeParametersWireFormat with various FID values")
    @ValueSource(ints = { 0x0000, 0x0001, 0x7FFF, 0xFFFF, 0x1234, 0xABCD })

     * implementation.
     */

    /** SMB2 negotiate protocol command */
    protected static final short SMB2_NEGOTIATE = 0x00;
    /** SMB2 session setup command */
    protected static final short SMB2_SESSION_SETUP = 0x01;
    /** SMB2 logoff command */
    protected static final short SMB2_LOGOFF = 0x02;
    /** SMB2 tree connect command */

        assertEquals(0, response.getAttributes());
        assertEquals(0, response.getSize());
    }

    @ParameterizedTest
    @ValueSource(ints = { 0x0001, 0x0002, 0x0004, 0x0010, 0x0020, 0x0080, 0x0100 })
    void testDifferentFileAttributes(int fileAttribute) {
        // Test various file attribute values
        response = new SmbComQueryInformationResponse(mockConfig, 0L);