// will implicitly flush out the file's padding.
func (tw *Writer) Flush() error {
	if tw.err != nil {
		return tw.err
	}
	if nb := tw.curr.logicalRemaining(); nb > 0 {
		return fmt.Errorf("archive/tar: missed writing %d bytes", nb)
	}
	if _, tw.err = tw.w.Write(zeroBlock[:tw.pad]); tw.err != nil {
		return tw.err
	}
	tw.pad = 0
	return nil
}

		return nil
	}
	tw := new(tabwriter.Writer).Init(w.w, 0, 5, 5, ' ', 0)
	fmt.Fprintln(tw, strings.Join(secretItemColumns, "\t"))
	for _, s := range secrets {
		if includeConfigType {
			s.Name = fmt.Sprintf("secret/%s", s.Name)
		}
		fmt.Fprintf(tw, "%s\t%s\t%s\t%t\t%s\t%s\t%s\n",
			s.Name, s.Type, s.State, s.Valid, s.SerialNumber, s.NotAfter, s.NotBefore)
	}
	return tw.Flush()
}

        assertArrays(new String[] { "zh-tw" }, fessConfig.normalizeQueryLanguages(new String[] { "zh_TW" }));
    }

    public void test_getQueryLocaleFromName() {
        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getQueryLanguageMapping() {
                return "ja=ja\nzh_cn=zh-cn\nzh_TW=zh-tw\nzh=zh-cn";
            }
        };

	t.Run("NegativeSize", func(t *testing.T) {
		tw := NewWriter(new(bytes.Buffer))
		hdr := &Header{Name: "small.txt", Size: -1}
		if err := tw.WriteHeader(hdr); err == nil {
			t.Fatalf("WriteHeader() = nil, want non-nil error")
		}
	})

	t.Run("BeforeHeader", func(t *testing.T) {
		tw := NewWriter(new(bytes.Buffer))
		if _, err := tw.Write([]byte("Kilts")); err != ErrWriteTooLong {

	const BufSize = 8
	{
		tw := &teststringwriter{}
		b := NewWriterSize(tw, BufSize)
		b.WriteString("1234")
		tw.check(t, "", "")
		b.WriteString("56789012")   // longer than BufSize
		tw.check(t, "12345678", "") // but not enough (after filling the partially-filled buffer)
		b.Flush()
		tw.check(t, "123456789012", "")
	}
	{
		tw := &teststringwriter{}
		b := NewWriterSize(tw, BufSize)

	}
	if _, err := tw.Write(data); err != nil {
		t.Fatalf("tw.Write: %v", err)
	}
	if err := tw.Close(); err != nil {
		t.Fatalf("tw.Close: %v", err)
	}

	// Read it back.
	tr := NewReader(&b)
	rHdr, err := tr.Next()
	if err != nil {
		t.Fatalf("tr.Next: %v", err)
	}
	if !reflect.DeepEqual(rHdr, hdr) {
		t.Errorf("Header mismatch.\n got %+v\nwant %+v", rHdr, hdr)
	}
	rData, err := io.ReadAll(tr)

		tw = tabwriter.NewWriter(c.Stdout, 0, 8, 1, ' ', 0)
	)

	if len(istioVersion) > 0 {
		fmt.Fprintf(tw, "Istio Version:\t%s\n", istioVersion)
	}
	if len(istioProxySha) > 0 {
		fmt.Fprintf(tw, "Istio Proxy Version:\t%s\n", istioProxySha)
	}
	if len(envoyVersion) > 0 {
		fmt.Fprintf(tw, "Envoy Version:\t%s\n", envoyVersion)
	}

	return tw.Flush()

		return cfg, err
	}

	tw, err := strconv.Atoi(env.Get(EnvILMTransitionWorkers, kvs.GetWithDefault(transitionWorkers, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	ew, err := strconv.Atoi(env.Get(EnvILMExpirationWorkers, kvs.GetWithDefault(expirationWorkers, DefaultKVS)))
	if err != nil {
		return cfg, err
	}

	cfg.TransitionWorkers = tw
	cfg.ExpirationWorkers = ew
	return cfg, nil

        value = "zh_CN";
        assertEquals("zh_CN", systemHelper.normalizeLang(value));

        value = "zh-tw";
        assertEquals("zh_TW", systemHelper.normalizeLang(value));

        value = "zh_TW";
        assertEquals("zh_TW", systemHelper.normalizeLang(value));
    }

    public void test_createSearchRole() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {

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