ThumbnailGenerationException exception = new ThumbnailGenerationException("Test", new Exception());

        // The message and cause constructor uses normal super call, so stack trace should be available
        assertTrue(exception.getStackTrace().length > 0);
    }

    public void test_multipleNestedExceptions() {
        // Test with multiple nested exceptions
        Exception innerCause = new IllegalArgumentException("Invalid image format");

            CreateContextResponse[] contexts = new CreateContextResponse[3];
            byte[] buffer = new byte[300];

            contexts[0] = new TestCreateContextResponse("CONTEXT1".getBytes(StandardCharsets.UTF_8));
            contexts[1] = new TestCreateContextResponse("CONTEXT2".getBytes(StandardCharsets.UTF_8));
            contexts[2] = new TestCreateContextResponse("CONTEXT3".getBytes(StandardCharsets.UTF_8));

        // Create URL handler
        Handler urlHandler = new jcifs.smb.Handler(mockCifsContext);
        when(mockCifsContext.getUrlHandler()).thenReturn(urlHandler);

        // Use the URL handler to create the URL
        url = new URL(null, "smb://localhost/share/file.txt", urlHandler);

        smbFile = spy(new SmbFile(url, mockCifsContext));

        // Prevent network operations by default

        super.setUp();
        labelTypeHelper = new LabelTypeHelper();
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        ComponentUtil.register(new MockLabelTypeService(), LabelTypeService.class.getCanonicalName());
        ComponentUtil.register(new MockVirtualHostHelper(), "virtualHostHelper");
        ComponentUtil.register(new MockRoleQueryHelper(), "roleQueryHelper");
    }

        return total;
      }
    },
    NEW {
      @Override
      long copy(Readable from, Appendable to) throws IOException {
        return CharStreams.copy(from, to);
      }
    };

    abstract long copy(Readable from, Appendable to) throws IOException;
  }

  enum TargetSupplier {
    STRING_WRITER {
      @Override
      Appendable get(int sz) {
        return new StringWriter(sz);
      }
    },

        return () -> new LineIterator(reader);
    }

    /**
     * Constructs an instance.
     *
     * @param reader
     *            The {@link Reader} to read strings from. Must not be {@literal null}.
     */
    public LineIterator(final Reader reader) {
        assertArgumentNotNull("reader", reader);
        this.reader = new BufferedReader(reader);
    }

    /**

    String url = null;
    int numComplete = 0;
    long ltime = 0L;

    @Override
    public void run() {
        try {
            final SmbFile f = new SmbFile(url);
            final SmbFile d = new SmbFile(f.getParent());
            final byte[] buf = new byte[1024];

            for (int ii = 0; ii < numIter; ii++) {

                synchronized (this) {
                    ltime = System.currentTimeMillis();

    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockContext.getConfig()).thenReturn(mockConfig);

        testFileId = new byte[16];
        new SecureRandom().nextBytes(testFileId);
        outputBuffer = new byte[4096];
        request = new Smb2ReadRequest(mockConfig, testFileId, outputBuffer, 0);
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

                .status(ApiResult.Status.OK)
                .result());
    }

    /**
     * Create a new character mapping entry for the specified dictionary.
     *
     * @param dictId identifier of the dictionary
     * @param body create request payload
     * @return JSON response containing creation result and new entry ID
     */
    // POST /api/admin/dict/mapping/setting/{dictId}
    @Execute

        assertArgumentNotNull("contents", contents);

        if (encoding == null) {
            return new ByteArrayInputStream(contents.getBytes());
        }
        try {
            return new ByteArrayInputStream(contents.getBytes(encoding));
        } catch (final UnsupportedEncodingException ex) {
            throw new IORuntimeException(ex);
        }
    }

    /**
     * Encodes the value of an attribute.
     *