void testGetSendBufferSizeStandard() {
        // Arrange
        int expectedSize = 65536;
        when(negotiationResponse.getSendBufferSize()).thenReturn(expectedSize);

        // Act
        int size = negotiationResponse.getSendBufferSize();

        // Assert
        assertEquals(expectedSize, size);
        verify(negotiationResponse).getSendBufferSize();
    }

    @Test

   *
   * @param expectedSize the initial capacity of this {@code CompactHashSet}.
   */
  CompactHashSet(int expectedSize) {
    init(expectedSize);
  }

  /** Pseudoconstructor for serialization support. */
  void init(int expectedSize) {
    Preconditions.checkArgument(expectedSize >= 0, "Expected size must be >= 0");

    // Save expectedSize for use in allocArrays()

   *
   * @param expectedSize the initial capacity of this {@code CompactHashMap}.
   */
  CompactHashMap(int expectedSize) {
    init(expectedSize);
  }

  /** Pseudoconstructor for serialization support. */
  void init(int expectedSize) {
    Preconditions.checkArgument(expectedSize >= 0, "Expected size must be >= 0");

    // Save expectedSize for use in allocArrays()

        request = new Smb2CreateRequest(mockConfig, "test.txt");

        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 56;
        int nameLen = 2 * "test.txt".length();
        expectedSize += ((nameLen + 7) / 8) * 8; // size8(nameLen)
        expectedSize = ((expectedSize + 7) / 8) * 8; // size8(size)

        assertEquals(expectedSize, request.size());
    }

    @Test

  private HashBiMap(int expectedSize) {
    init(expectedSize);
  }

  @SuppressWarnings("unchecked")
  void init(int expectedSize) {
    CollectPreconditions.checkNonnegative(expectedSize, "expectedSize");
    int tableSize = Hashing.closedTableSize(expectedSize, 1.0);
    size = 0;

    keys = (K[]) new Object[expectedSize];
    values = (V[]) new Object[expectedSize];

            buffer = new DfsReferralRequestBuffer(path, maxReferralLevel);

            assertNotNull(buffer);
            // Verify through encode since there are no getters
            int expectedSize = 4 + 2 * path.length();
            assertEquals(expectedSize, buffer.size());
        }

        @Test
        @DisplayName("Should create buffer with empty path")
        void testConstructorWithEmptyPath() {
            String path = "";

        FileRenameInformation2 info = new FileRenameInformation2(longFileName, false);

        int expectedSize = 20 + 2 * longFileName.length();
        assertEquals(expectedSize, info.size());

        byte[] buffer = new byte[expectedSize + 100];
        int bytesWritten = info.encode(buffer, 0);

        assertEquals(expectedSize, bytesWritten);
    }

    @Test
    @DisplayName("Test decode with empty filename")

            Smb2LockRequest req = new Smb2LockRequest(mockConfig, testFileId, singleLock);

            int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24 + 24; // header + structure + 1 lock
            expectedSize = ((expectedSize + 7) / 8) * 8; // 8-byte alignment
            assertEquals(expectedSize, req.size());
        }

        @Test
        @DisplayName("Should calculate size correctly with multiple locks")

        request = new Smb2QueryDirectoryRequest(mockConfig);

        request.setFileName(null);

        // Verify size calculation doesn't include filename
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 32;
        assertEquals(((expectedSize + 7) & ~7), request.size());
    }

    @Test
    @DisplayName("Test setFileName method with non-null value")
    void testSetFileNameNonNull() {

        String pipeName = "TestPipe";
        FsctlPipeWaitRequest request = new FsctlPipeWaitRequest(pipeName);

        // Verify size calculation
        int expectedSize = 14 + pipeName.getBytes(StandardCharsets.UTF_16LE).length;
        assertEquals(expectedSize, request.size());
    }

    @Test
    @DisplayName("Test constructor with name and timeout sets correct fields")
    void testConstructorWithNameAndTimeout() {