public void test_calculatePageInfo_page0() {
        QueryResponseList qrList;

        qrList = new QueryResponseList(null, 0, 20, 0) {
            @Override
            public int size() {
                return 0;
            }
        };
        qrList.calculatePageInfo();
        assertEquals(20, qrList.getPageSize());
        assertEquals(1, qrList.getCurrentPageNumber());
        assertEquals(0, qrList.getAllRecordCount());

            if (tempDir != null) {
                return new File(tempDir, path).getAbsolutePath();
            }
            return new File("/test/webapp", path).getAbsolutePath();
        }

        // Other methods return null or default values
        @Override
        public Object getAttribute(String name) {
            return null;
        }

        @Override

                userInfoHelper.deleteUserCodeFromCookie(request);
                return getHtmlResponse();
            });
            if (ComponentUtil.getFessConfig().isValidAdminPassword(password)) {
                return loginRedirect;
            }
            getSession().ifPresent(session -> session.setAttribute(INVALID_OLD_PASSWORD, password));
            return asHtml(virtualHost(path_Login_NewpasswordJsp));

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.role_type";
    }

    @Override
    public String asEsIndexType() {
        return "role_type";
    }

    @Override
    public String asEsSearchType() {
        return "role_type";
    }

    @Override

            return ModelData.class;
        }

        @Override
        public ModelData intoCache(ModelData data) {
            Model model = (data.getModel() != null) ? data.getModel().clone() : null;
            return new ModelData(data.getSource(), model, data.getGroupId(), data.getArtifactId(), data.getVersion());
        }

        @Override
        public ModelData fromCache(ModelData data) {
            return intoCache(data);

    public Writer append(@Nullable CharSequence csq) {
      return this;
    }

    @Override
    public Writer append(@Nullable CharSequence csq, int start, int end) {
      checkPositionIndexes(start, end, csq == null ? "null".length() : csq.length());
      return this;
    }

    @Override
    public Writer append(char c) {
      return this;
    }

    @Override
    public void flush() {}

	}

	if dir == "" {
		if !dirSet {
			return nil, fmt.Errorf("missing option must be provided")
		}
		return nil, fmt.Errorf("provided option cannot be empty")
	}

	// Disallow relative paths, figure out absolute paths.
	dirAbs, err := filepath.Abs(dir)
	if err != nil {
		return nil, err
	}
	err = mkdirAllIgnorePerm(dirAbs)
	if err != nil {

      assertTrue(Thread.holdsLock(mutex));
      return delegate.poll();
    }

    @Override
    public E remove() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.remove();
    }

    @Override
    public boolean remove(Object object) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.remove(object);
    }

    @Override
    public @Nullable E peek() {

    }

    @Override
    protected String getActionRole() {
        return ROLE;
    }

    /**
     * Displays the log management index page.
     *
     * @return HTML response for the log list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asIndexHtml();
    }

    /**
     * Downloads a log file by its encoded ID.
     *

                return badGoalsErrorMessage("No goal or multiple goals specified, specify only one goal.", context);
            }

            String goalName = context.options().goals().get().get(0);
            Goal goal = context.goals.get(goalName);

            if (goal == null) {
                return badGoalsErrorMessage("Unknown goal: " + goalName, context);
            }