// Verify response has correct fileName
        assertEquals(testFileName, response.getFileName());
    }

    @Test
    @DisplayName("size should return correct message size")
    void testSize() {
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24;
        // size8 method rounds up to 8-byte boundary
        int expectedAlignedSize = (expectedSize + 7) & ~7;

        }
    }

    @Nested
    @DisplayName("Size Calculation Tests")
    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