provider.provide(null);
            fail("Should throw exception for null classification name");
        } catch (ProvidedClassificationNotFoundException e) {
            // expected
            assertTrue(e.getMessage().contains("Not found the classification: null"));
        } catch (NullPointerException e) {
            // Also acceptable if null is not handled explicitly
        }
    }

    @Test

                            );
                        }
                    }
                } catch (IOException e) {
                    errors.put(file, Set.of("Failed to load file: " + e.getMessage()));
                }
            });

        if (errors.isEmpty()) {
            return;
        }

        try {
            try (PrintWriter pw = new PrintWriter(getReport())) {

            return target.getClass().getSimpleName() + "[" + target.getMessage() + "]";
        }
        final StringBuilder sb = new StringBuilder();
        while (target != null) {
            sb.append(target.getClass().getSimpleName());
            if (target.getMessage() != null) {
                sb.append("[");
                sb.append(target.getMessage());
                sb.append("]");
            }

        } catch (final LoginFailureException lfe) {
            if (logger.isInfoEnabled()) {
                logger.info("Login failed for user: username={}, reason={}", username, lfe.getMessage());
            }
            activityHelper.loginFailure(OptionalThing.of(new LocalUserCredential(username, password)));

        // Act & Assert
        IOException thrown = assertThrows(IOException.class, () -> {
            new LsaPolicyHandle(mockDcerpcHandle, server, access);
        });

        assertEquals("Network error", thrown.getMessage());
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarOpenPolicy2.class));
    }

    @Test
    void close_shouldClosePolicySuccessfully() throws IOException {
        // Arrange

        String malformedUrl = "invalid-url";
        CIFSException thrown = assertThrows(CIFSException.class, () -> {
            cifsContextWrapper.get(malformedUrl);
        });
        assertTrue(thrown.getMessage().contains("Invalid URL"));
        assertTrue(thrown.getCause() instanceof MalformedURLException);
    }

    @Test
    void testGetPipe() throws CIFSException, MalformedURLException {

            byte[] actualBuffer = (byte[]) outputBufferField.get(response);
            assertSame(outputBuffer, actualBuffer);
        } catch (Exception e) {
            fail("Failed to access outputBuffer field: " + e.getMessage());
        }
    }

    @Test
    void testWriteSetupWireFormat() {
        // Test that writeSetupWireFormat returns 0
        byte[] dst = new byte[100];

        PACDecodingException e =
                assertThrows(PACDecodingException.class, () -> PacMac.calculateMac(PacSignature.KERB_CHECKSUM_HMAC_MD5, keys, TEST_DATA));
        assertEquals("Missing key", e.getMessage());
    }

    /**
     * Test calculateMac with an invalid algorithm type.
     */
    @Test
    void testCalculateMacInvalidAlgorithm() {
        Map<Integer, KerberosKey> keys = new HashMap<>();

    @Test
    public void testSIndexOutOfBoundsExceptionString() {
        final ClIndexOutOfBoundsException clIndexOutOfBoundsException = new ClIndexOutOfBoundsException("hoge");
        assertThat(clIndexOutOfBoundsException.getMessage(), is("hoge"));
    }

            return CommonsCliShellOptions.parse(context.parserRequest.args().toArray(new String[0]));
        } catch (ParseException e) {
            throw new IllegalArgumentException("Failed to parse command line options: " + e.getMessage(), e);
        }
    }