return new PopulatableMapAsMultimap<>();
    }

    @SuppressWarnings("unchecked") // all methods throw immediately
    PopulatableMapAsMultimap() {
      this.map = new HashMap<>();
      this.unusableDelegate =
          (SetMultimap<K, V>)
              newProxyInstance(
                  SetMultimap.class.getClassLoader(),
                  new Class<?>[] {SetMultimap.class},

        DynamicProperties systemProps = new DynamicProperties(file);
        ComponentUtil.register(systemProps, "systemProperties");

        relatedContentHelper = new RelatedContentHelper() {
            @Override
            public List<RelatedContent> getAvailableRelatedContentList() {
                return mockBhv.getTestData();
            }
        };

        mockBhv = new MockRelatedContentBhv();

        verifyTokenKeep(this::asIndexHtml);

        final String diagnosticId = "log" + new SimpleDateFormat("yyyyMMddHHmm").format(ComponentUtil.getSystemHelper().getCurrentTime());
        return asStream(diagnosticId + ".zip").contentTypeOctetStream().stream(out -> {
            try (ZipOutputStream zos = new ZipOutputStream(out.stream())) {
                writeLogFiles(zos, diagnosticId);

    @Test
    @DisplayName("readn should handle EOF correctly")
    void testReadnEOF() throws IOException {
        byte[] buffer = new byte[10];
        ByteArrayInputStream bais = new ByteArrayInputStream(new byte[0]);

        int bytesRead = SessionServicePacket.readn(bais, buffer, 0, 5);

        assertEquals(0, bytesRead);
    }

    @Test
    @DisplayName("readn should handle multiple read calls")

    }

    @Test
    void testEquals() {
        ToolchainModel tm1 = new ToolchainModel();
        tm1.setType("jdk");
        tm1.addProvide("version", "1.5");
        tm1.addProvide("vendor", "sun");
        Xpp3Dom configuration1 = new Xpp3Dom("configuration");
        Xpp3Dom jdkHome1 = new Xpp3Dom("jdkHome");
        jdkHome1.setValue("${env.JAVA_HOME}");
        configuration1.addChild(jdkHome1);

  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(new FakeTicker());
  }

  @GwtIncompatible // java.time.Duration
  public void testAdvance() {
    FakeTicker ticker = new FakeTicker();
    assertEquals(0, ticker.read());
    assertSame(ticker, ticker.advance(10));
    assertEquals(10, ticker.read());

        super.setUp();
        indexUpdateCallback = new FileListIndexUpdateCallbackImpl(null, null, 1);
    }

    /** Case 1: Normal merge (no duplicates) */
    public void test_mergeResponseData_noOverwrite() {
        Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("a", "A0");
        Map<String, Object> responseDataMap = new HashMap<>();
        responseDataMap.put("b", "B1");

        SmbFileHandleImpl hA = id1 != null ? new SmbFileHandleImpl(cfg, id1, tA, "//eq/a", 0, 0, 0, 0, 0L)
                : new SmbFileHandleImpl(cfg, 33, tA, "//eq/a", 0, 0, 0, 0, 0L);

        SmbFileHandleImpl hB = id2 != null ? new SmbFileHandleImpl(cfg, id2, tB, "//eq/b", 0, 0, 0, 0, 0L)
                : new SmbFileHandleImpl(cfg, 33, tB, "//eq/b", 0, 0, 0, 0, 0L);

        if (expectEqual) {

        body.dictId = dictId;
        validateApi(body, messages -> {});
        final StemmerOverridePager pager = copyBeanToNewBean(body, StemmerOverridePager.class);
        return asJson(
                new ApiResult.ApiConfigsResponse<EditBody>().settings(stemmerOverrideService.getStemmerOverrideList(body.dictId, pager)
                        .stream()
                        .map(protwordsItem -> createEditBody(protwordsItem, dictId))

public class ActivityHelperTest extends UnitFessTestCase {

    private ActivityHelper activityHelper;

    private ThreadLocal<String> localLogMsg = new ThreadLocal<>();

    @Override
    public void setUp() throws Exception {
        super.setUp();
        activityHelper = new ActivityHelper() {
            @Override
            protected void printByLtsv(final Map<String, String> valueMap) {
                valueMap.remove("time");