/**
     * Test thread safety of enum
     */
    public void test_threadSafety() throws Exception {
        final int threadCount = 100;
        final int iterationsPerThread = 1000;
        final Set<Exception> exceptions = new HashSet<>();

        Thread[] threads = new Thread[threadCount];
        for (int i = 0; i < threadCount; i++) {
            threads[i] = new Thread(new Runnable() {
                @Override

    public synchronized PagingList<KuromojiItem> selectList(final int offset, final int size) {
        if (kuromojiItemList == null) {
            reload(null);
        }

        if (offset >= kuromojiItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<KuromojiItem> emptyList(), offset, size, kuromojiItemList.size());
        }

        int toIndex = offset + size;

        assertArgumentNotNull("jarFile", jarFile);
        assertArgumentNotNull("prefix", prefix);
        assertArgumentNotNull("handler", handler);

        final int pos = prefix.length();
        for (final JarEntry entry : iterable(jarFile.entries())) {
            if (!entry.isDirectory()) {
                final String entryName = entry.getName().replace('\\', '/');

	srcCfg := getServerSystemCfg()
	clnts := newBootstrapRESTClients(endpointServerPools, gm)
	var onlineServers int
	var offlineEndpoints []error
	var incorrectConfigs []error
	var retries int
	var mu sync.Mutex
	for onlineServers < len(clnts)/2 {
		var wg sync.WaitGroup
		wg.Add(len(clnts))
		onlineServers = 0
		for _, clnt := range clnts {

				t.Fatalf("expected = %s, got: %s", r.entries, entries)
			}
		}
	}
}

func TestReadDirN(t *testing.T) {
	testCases := []struct {
		numFiles    int
		n           int
		expectedNum int
	}{
		{0, 0, 0},
		{0, 1, 0},
		{1, 0, 0},
		{0, -1, 0},
		{1, -1, 1},
		{10, -1, 10},
		{1, 1, 1},
		{2, 1, 1},
		{10, 9, 9},
		{10, 10, 10},
		{10, 11, 10},

    for (char c : chars) {
      positive.add(c);
    }
    for (int c = 0; c <= Character.MAX_VALUE; c++) {
      assertFalse(positive.contains(Character.valueOf((char) c)) ^ m.matches((char) c));
    }
  }

  static char[] randomChars(Random rand, int size) {
    Set<Character> chars = new HashSet<>(size);
    for (int i = 0; i < size; i++) {
      char c;
      do {

  }

  @Override
  public boolean isEmpty() {
    return backingMap.isEmpty();
  }

  @Override
  public int size() {
    int size = 0;
    for (Map<C, V> map : backingMap.values()) {
      size += map.size();
    }
    return size;
  }

  // Mutators

  @Override
  public void clear() {

    /**
     * Verify the CRUD mode.
     * @param crudMode The CRUD mode.
     * @param expectedMode The expected mode.
     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));

     *
     * @param crudMode the actual CRUD mode
     * @param expectedMode the expected CRUD mode
     * @param dictId the dictionary ID for error redirection
     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode, final String dictId) {
        if (crudMode != expectedMode) {
            throwValidationError(messages -> {

    }
    return encodeUtf8()
  }

  data class ImportResults(
    val sortedRules: SortedSet<ByteString>,
    val sortedExceptionRules: SortedSet<ByteString>,
    val totalRuleBytes: Int,
    val totalExceptionRuleBytes: Int,
  ) {
    fun writeOut(sink: BufferedSink) {
      with(sink) {
        writeInt(totalRuleBytes)
        for (domain in sortedRules) {
          write(domain).writeByte(NEWLINE)
        }