int errorCode = 0x00000005; // DCERPC_FAULT_ACCESS_DENIED
        DcerpcException exception = new DcerpcException(errorCode);
        assertEquals(errorCode, exception.getErrorCode(), "getErrorCode() should return the correct error code.");
    }

    /**
     * Test getRootCause() method (deprecated).
     */
    @Test
    void testGetRootCause() {
        Throwable cause = new IllegalArgumentException("Invalid argument.");

                "flags should be DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG");
        // Verify that the super constructor was called with the correct handle.
        // This is implicitly tested by the object being created without error and
        // the fields set by the constructor being correct.
    }

    void testGetType() {
        assertEquals(SmbConstants.TYPE_FILESYSTEM, fileBothDirectoryInfo.getType());
    }

    @Test
    @DisplayName("Test getFileIndex returns correct value")
    void testGetFileIndex() throws SMBProtocolDecodingException {
        // Prepare test data
        byte[] buffer = createValidBuffer("file.txt", "FILE~1.TXT", true);
        int expectedFileIndex = 0x12345678;

        // Although we cannot directly verify the super constructor call with Mockito for a real class,
        // we can infer its correct behavior if the object is successfully constructed and its own fields are correct.
        // The super constructor is called with (domainHandle, 0, acct_flags, null, 0)

        assertEquals(0, share1.type, "Share 1 raw type should be 0.");
        assertEquals("Remark 1", share1.remark.trim(), "Share 1 remark should be correct.");

        SmbShareInfo share2 = (SmbShareInfo) response.results[1];
        assertEquals("IPC$", share2.getName().trim(), "Share 2 name should be correct.");

        assertEquals(mockSid, pacGroup.getId(), "getId() should return the correct SID.");
    }

    /**
     * Test method for {@link jcifs.pac.PacGroup#getAttributes()}.
     */
    @Test
    void testGetAttributes() {
        // Test the getAttributes method
        assertEquals(attributes, pacGroup.getAttributes(), "getAttributes() should return the correct attributes.");
    }

    @Test
    @DisplayName("Should create correct response")
    void testCreateResponse() {
        // When
        Smb2ChangeNotifyResponse response = request.createResponse(mockContext, request);

        // Then
        assertNotNull(response);
        assertTrue(response instanceof Smb2ChangeNotifyResponse);
    }

    @Test
    @DisplayName("Should calculate correct size")
    void testSize() {
        // When

    }

    /**
     * Test getInitialSize() returns the correct size.
     */
    @Test
    void testGetInitialSize() {
        long expectedSize = 1024L;
        when(smbFileHandle.getInitialSize()).thenReturn(expectedSize);
        long actualSize = smbFileHandle.getInitialSize();
        assertEquals(expectedSize, actualSize, "getInitialSize should return the correct initial file size.");

        @Test
        @DisplayName("Should create correct response type")
        void testCreateResponse() {
            Smb2EchoResponse response = echoRequest.createResponse(mockContext, echoRequest);

            assertNotNull(response);
            assertInstanceOf(Smb2EchoResponse.class, response);
        }

        @Test
        @DisplayName("Should create response with correct configuration")

        mockPolicyHandle = mock(SamrPolicyHandle.class);
        testServer = "testServer";
        testAccess = 0x02000000; // SAM_SERVER_CONNECT access right
    }

    @Test
    @DisplayName("Should construct with correct parameters")
    void constructorShouldInitializeFieldsCorrectly() {
        // When
        MsrpcSamrConnect2 msrpcSamrConnect2 = new MsrpcSamrConnect2(testServer, testAccess, mockPolicyHandle);

        // Then