context.initSecContext(new byte[0], 0, 0);

        // Create a mock Type 2 message (server challenge)
        byte[] serverChallenge = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        int type2Flags = NtlmFlags.NTLMSSP_NEGOTIATE_NTLM | NtlmFlags.NTLMSSP_REQUEST_TARGET | NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH
                | NtlmFlags.NTLMSSP_NEGOTIATE_SIGN;

    void testConstructorWithConfigAndControlCode() {
        setupMockConfig();
        Smb2IoctlRequest request = new Smb2IoctlRequest(mockConfig, TEST_CONTROL_CODE);

        assertNotNull(request);
        assertEquals(0x0B, request.getCommand()); // SMB2_IOCTL command
        verify(mockConfig).getTransactionBufferSize();
    }

    @Test
    @DisplayName("Test constructor with config, control code and file ID")

    static final byte SMB_COM_CLOSE = (byte) 0x04;
    static final byte SMB_COM_DELETE = (byte) 0x06;
    static final byte SMB_COM_RENAME = (byte) 0x07;
    static final byte SMB_COM_QUERY_INFORMATION = (byte) 0x08;
    static final byte SMB_COM_WRITE = (byte) 0x0B;
    static final byte SMB_COM_CHECK_DIRECTORY = (byte) 0x10;
    static final byte SMB_COM_TRANSACTION = (byte) 0x25;

        // Test NET subcommands
        assertEquals(0x0000, SmbComTransaction.NET_SHARE_ENUM);
        assertEquals(0x0068, SmbComTransaction.NET_SERVER_ENUM2);
        assertEquals(0x00D7, SmbComTransaction.NET_SERVER_ENUM3);

        // Test TRANS subcommands
        assertEquals((byte) 0x23, SmbComTransaction.TRANS_PEEK_NAMED_PIPE);
        assertEquals((byte) 0x53, SmbComTransaction.TRANS_WAIT_NAMED_PIPE);

      assertThat(expected)
          .hasMessageThat()
          .isEqualTo("Unpaired surrogate at index " + invalidCodePointIndex);
    }
  }

  // 128 - [chars 0x0000 to 0x007f]
  private static final long ONE_BYTE_ROUNDTRIPPABLE_CHARACTERS = 0x007f - 0x0000 + 1;

  // 128
  private static final long EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT =
      ONE_BYTE_ROUNDTRIPPABLE_CHARACTERS;

  // 1920 [chars 0x0080 to 0x07FF]

        listOf(
          Mapping(0x0232, 0x0232, TYPE_MAPPED, "a".encodeUtf8()),
          Mapping(0x0233, 0x0233, TYPE_VALID, ByteString.EMPTY),
          Mapping(0x0234, 0x0236, TYPE_VALID, ByteString.EMPTY),
          Mapping(0x0237, 0x0239, TYPE_VALID, ByteString.EMPTY),
          Mapping(0x023a, 0x023a, TYPE_MAPPED, "b".encodeUtf8()),
        ),
      ),
    ).containsExactly(
      Mapping(0x0232, 0x0232, TYPE_MAPPED, "a".encodeUtf8()),

        // Given & When
        int securityMode = 0x03;
        int capabilities = 0x0F;
        long previousSessionId = 0xFEDCBA9876543210L;
        byte[] token = { 0x0A, 0x0B, 0x0C };

        Smb2SessionSetupRequest req = new Smb2SessionSetupRequest(mockContext, securityMode, capabilities, previousSessionId, token);

        // Then - verify fields are set correctly using reflection

    }

    static Stream<Arguments> equalsHashParams() {
        return Stream.of(
                // byte[] id based equality (same id and tree id)
                Arguments.of(new byte[] { 0x0A, 0x0B }, new byte[] { 0x0A, 0x0B }, 100L, true),
                // fid based equality (null fileId, same fid and tree id)
                Arguments.of(null, null, 200L, true));
    }

    static final byte TRANS2_SET_FILE_INFORMATION = (byte) 0x08;

    static final int NET_SHARE_ENUM = 0x0000;
    static final int NET_SERVER_ENUM2 = 0x0068;
    static final int NET_SERVER_ENUM3 = 0x00D7;

    static final byte TRANS_PEEK_NAMED_PIPE = (byte) 0x23;
    static final byte TRANS_WAIT_NAMED_PIPE = (byte) 0x53;
    static final byte TRANS_CALL_NAMED_PIPE = (byte) 0x54;

            assertEquals((byte) 0x06, ServerMessageBlock.SMB_COM_DELETE);
            assertEquals((byte) 0x07, ServerMessageBlock.SMB_COM_RENAME);
            assertEquals((byte) 0x08, ServerMessageBlock.SMB_COM_QUERY_INFORMATION);
            assertEquals((byte) 0x09, ServerMessageBlock.SMB_COM_SET_INFORMATION);
            assertEquals((byte) 0x0B, ServerMessageBlock.SMB_COM_WRITE);