byte[] buffer = new byte[100];

            assertTrue(testBlock.verifySignature(buffer, 0, 100));
            verify(mockDigest, never()).verify(any(), anyInt(), anyInt(), anyInt(), any());
        }

        @Test
        @DisplayName("Test verify signature success")
        void testVerifySignatureSuccess() {
            testBlock.setDigest(mockDigest);
            testBlock.setErrorCode(0);

        // Verify bytes written (encode returns 40, which includes 4 padding bytes)
        assertEquals(40, bytesWritten);

        // Create a new FileBasicInfo and decode to verify encoding
        FileBasicInfo decoded = new FileBasicInfo();
        decoded.decode(buffer, startIndex, 36); // decode only reads 36 bytes

        // Verify the values match after round-trip

        // Execute
        final InvalidQueryException exception = new InvalidQueryException(messageCode, message, cause);

        // Verify
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals(messageCode, exception.getMessageCode());
    }

        // Verify structure size
        assertEquals(33, buffer[Smb2Constants.SMB2_HEADER_LENGTH] | (buffer[Smb2Constants.SMB2_HEADER_LENGTH + 1] << 8));

        // Verify file information class
        assertEquals(Smb2QueryDirectoryRequest.FILE_ID_FULL_DIRECTORY_INFO, buffer[Smb2Constants.SMB2_HEADER_LENGTH + 2]);

        // Verify query flags

        // Unregister
        client.unregister(registration).get(5, TimeUnit.SECONDS);

        assertEquals(0, client.getActiveRegistrationCount());

        verify(mockRpc).register(any(WitnessRegisterRequest.class));
        verify(mockRpc).unregister(any(WitnessUnregisterRequest.class));

        client.close();
    }

    @Test
    void testGetWitnessServer() throws Exception {

            handler.handle(WinError.WINERR_CODES[i], WinError.WINERR_MESSAGES[i]);
        }

        // Verify the collaborator is invoked exactly N times
        verify(handler, times(WinError.WINERR_CODES.length)).handle(anyInt(), anyString());

        // Capture one known interaction to verify argument integrity
        ArgumentCaptor<Integer> codeCap = ArgumentCaptor.forClass(Integer.class);

            mockedNtlmAuthenticator.verify(NtlmAuthenticator::getDefault);
            mockedNtlmAuthenticator.verify(
                    () -> NtlmAuthenticator.requestNtlmPasswordAuthentication(eq(mockNtlmAuthenticator), eq("locationHint"), eq(null)));
            verify(mockRenewableCredentials, never()).renew(); // Ensure renewable path was not taken
        }
    }

        // Execute
        final SsoMessageException exception = new SsoMessageException(messageCode, message, cause);

        // Verify
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals(messageCode, exception.getMessageCode());
    }

    }

    @Test
    void constructor_shouldInitializeFields() throws Exception {
        // Verify configuration is set
        Field configField = NameServicePacket.class.getDeclaredField("config");
        configField.setAccessible(true);
        assertSame(mockConfig, configField.get(response));

        // Verify queryAddress is set
        Field queryAddressField = NodeStatusResponse.class.getDeclaredField("queryAddress");

        short maxLength = 20;
        int pointer = 100;
        PacUnicodeString pacString = new PacUnicodeString(length, maxLength, pointer);

        // Verify that the object was created
        assertNotNull(pacString, "The PacUnicodeString object should not be null.");

        // Verify that the getters return the correct values
        assertEquals(length, pacString.getLength(), "The length should match the value provided in the constructor.");