}

    @Test
    @DisplayName("Test PacUnicodeString check method with null pointer")
    void testPacUnicodeStringCheckWithNullPointer() throws Exception {
        // When pointer is 0, the string should be null
        PacUnicodeString unicodeString = new PacUnicodeString((short) 0, (short) 0, 0);

        // check() expects null when pointer is 0 but doesn't accept empty string

        final String requestsPerSecond = getReindexRequestsPerSecound(fessConfig);
        final String scroll = StringUtil.isNotBlank(fessConfig.getIndexReindexScroll()) ? fessConfig.getIndexReindexScroll() : null;
        final String maxDocs = StringUtil.isNotBlank(fessConfig.getIndexReindexMaxDocs()) ? fessConfig.getIndexReindexMaxDocs() : null;

        }
        final String thumbnailPath = System.getProperty(Constants.FESS_THUMBNAIL_PATH);
        if (thumbnailPath != null) {
            baseDir = new File(thumbnailPath);
        } else {
            final String varPath = System.getProperty(Constants.FESS_VAR_PATH);
            if (varPath != null) {
                baseDir = new File(varPath, THUMBNAILS_DIR_NAME);
            } else {

  public T or(Supplier<? extends T> supplier) {
    return checkNotNull(
        supplier.get(), "use Optional.orNull() instead of a Supplier that returns null");
  }

  @Override
  public @Nullable T orNull() {
    return null;
  }

  @Override
  public Set<T> asSet() {
    return Collections.emptySet();
  }

  @Override
  public <V> Optional<V> transform(Function<? super T, V> function) {
    checkNotNull(function);

    this.ordering = ordering;
  }

  @Override
  public int compare(@Nullable T left, @Nullable T right) {
    if (left == right) {
      return 0;
    }
    if (left == null) {
      return RIGHT_IS_GREATER;
    }
    if (right == null) {
      return LEFT_IS_GREATER;
    }
    return ordering.compare(left, right);
  }

  @Override

    @Override
    public ImmutableSetMultimap<K, V> build() {
      if (builderMap == null) {
        return ImmutableSetMultimap.of();
      }
      Collection<Map.Entry<K, ImmutableCollection.Builder<V>>> mapEntries = builderMap.entrySet();
      if (keyComparator != null) {
        mapEntries = Ordering.from(keyComparator).<K>onKeys().immutableSortedCopy(mapEntries);
      }

        if (createdTime != null) {
            addFieldToSource(sourceMap, "createdTime", createdTime);
        }
        if (expiredTime != null) {
            addFieldToSource(sourceMap, "expiredTime", expiredTime);
        }
        if (name != null) {
            addFieldToSource(sourceMap, "name", name);
        }
        if (sessionId != null) {

        if (crawlingInfoId != null) {
            addFieldToSource(sourceMap, "crawlingInfoId", crawlingInfoId);
        }
        if (createdTime != null) {
            addFieldToSource(sourceMap, "createdTime", createdTime);
        }
        if (key != null) {
            addFieldToSource(sourceMap, "key", key);
        }
        if (value != null) {
            addFieldToSource(sourceMap, "value", value);

    int expectedHashCode = 0;
    for (E element : elements) {
      expectedHashCode += (element == null) ? 0 : element.hashCode();
    }

    elements.add(null);
    collection = getSubjectGenerator().create(elements.toArray());
    assertEquals(
        "A Set's hashCode() should be the sum of those of its elements (with "
            + "a null element counting as having a hash of zero).",
        expectedHashCode,
        getSet().hashCode());

            spec = "smb:////";
            limit += 2;
        } else if (!spec.startsWith("smb://") && host != null && host.length() == 0) {
            spec = "//" + spec;
            limit += 2;
        }
        super.parseURL(u, spec, start, limit);
        path = u.getPath();
        ref = u.getRef();
        if (ref != null) {
            path += '#' + ref;
        }
        port = u.getPort();
        if (port == -1) {