// Base size: SMB2_HEADER_LENGTH (64) + 56 = 120, aligned to 8
        assertEquals(120, size);
    }

    @Test
    @DisplayName("Test size calculation with input data")
    void testSizeWithInputData() {
        setupMockConfig();
        Smb2IoctlRequest request = new Smb2IoctlRequest(mockConfig, TEST_CONTROL_CODE);
        when(mockInputData.size()).thenReturn(100);
        request.setInputData(mockInputData);