assertEquals(176, size);
        verify(mockOutputData).size();
    }

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