class SizeCalculationTests {

        @Test
        @DisplayName("Should calculate size correctly")
        void testSize() {
            int expectedSize = ((Smb2Constants.SMB2_HEADER_LENGTH + 49 + 7) / 8) * 8;
            assertEquals(expectedSize, request.size());
        }

        @Test
        @DisplayName("Should align size to 8-byte boundary")
        void testSizeAlignment() {

    }

    @Test
    @DisplayName("Test context size calculation")
    public void testContextSize() {
        int expectedSize = 8 + (3 * 2); // Header + 3 algorithms * 2 bytes each
        assertEquals(expectedSize, context.size());
    }

    @Test
    @DisplayName("Test context with flags")
    public void testContextWithFlags() {

        int size = request.size();

        // Then
        // Size should be aligned to 8 bytes: SMB2_HEADER_LENGTH + 32
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 32;
        // The size8 method aligns to 8-byte boundary
        int alignedSize = (expectedSize + 7) & ~7;
        assertEquals(alignedSize, size);
    }

    @Test
    @DisplayName("Should write correct bytes to wire format")

        // size8 rounds up to nearest multiple of 8
        int expectedRawSize = Smb2Constants.SMB2_HEADER_LENGTH + 40;
        int expectedSize = (expectedRawSize + 7) & ~7; // Round up to nearest 8
        assertEquals(expectedSize, size);
    }

    @Test
    @DisplayName("Test size method with input buffer")
    void testSizeWithInputBuffer() {

        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() {

        // size8 rounds up to nearest multiple of 8
        int expectedRawSize = Smb2Constants.SMB2_HEADER_LENGTH + 32 + 100;
        int expectedSize = (expectedRawSize + 7) & ~7; // Round up to nearest 8
        assertEquals(expectedSize, size);
    }

    @Test
    @DisplayName("Test writeBytesWireFormat method")
    void testWriteBytesWireFormat() {

        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() {

        // When
        int size = request.size();

        // Then
        // SMB2_HEADER_LENGTH + 4 bytes for tree disconnect structure
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 4;
        // size8 method aligns to 8-byte boundary
        int alignedSize = (expectedSize + 7) & ~7;
        assertEquals(alignedSize, size);
    }

    @Test
    @DisplayName("Should write correct bytes to wire format")

        // When
        int size = req.size();

        // Then
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24 + token.length;
        int alignedSize = (expectedSize + 7) & ~7; // size8 alignment
        assertEquals(alignedSize, size);
    }

    @Test
    @DisplayName("Should calculate correct message size without token")

    void testSizeReturnsPositiveValue() {
        // Given
        int expectedSize = 1024;
        when(request.size()).thenReturn(expectedSize);

        // When
        int result = request.size();

        // Then
        assertEquals(expectedSize, result);
        verify(request, times(1)).size();
    }

    @Test