return nil, v.validateServicePortPrefix(istioNamespace, un)
	}

	if un.GetKind() == gvk.Deployment.Kind {
		if err := v.validateDeploymentLabel(istioNamespace, un, writer); err != nil {
			return nil, err
		}
		return nil, nil
	}

	if un.GetAPIVersion() == operator.IstioOperatorGVK.GroupVersion().String() {
		if un.GetKind() == operator.IstioOperatorGVK.Kind {
			if err := checkFields(un); err != nil {
				return nil, err

	}

	kduration, err := time.ParseDuration(env.Get(EnvKeyRotationWorkersWait, kvs.GetWithDefault(KeyRotationWorkersWait, DefaultKVS)))
	if err != nil {
		return cfg, err
	}
	if kduration < 0 {
		return cfg, config.ErrInvalidBatchKeyRotationWorkersWait(nil)
	}

	eduration, err := time.ParseDuration(env.Get(EnvKeyExpirationWorkersWait, kvs.GetWithDefault(ExpirationWorkersWait, DefaultKVS)))
	if err != nil {

			if err != nil {
				t.Error(err)
			}
			tmpfile.WriteString(testCase.stat)
			tmpfile.Sync()
			tmpfile.Close()

			iostats, err := readDriveStats(tmpfile.Name())
			if err != nil && !testCase.expectErr {
				t.Fatalf("unexpected err; %v", err)
			}
			if testCase.expectErr && err == nil {
				t.Fatal("expected to fail but err is nil")
			}

		s           string
		startIdx    int
		length      int
		resExpected string
		errExpected error
	}{
		{"abcd", 1, 1, "a", nil},
		{"abcd", -1, 1, "a", nil},
		{"abcd", 999, 999, "", nil},
		{"", 999, 999, "", nil},
		{"测试abc", 1, 1, "测", nil},
		{"测试abc", 5, 5, "c", nil},
	}

	for i, tc := range evalCases {
		res, err := evalSQLSubstring(tc.s, tc.startIdx, tc.length)

	}{
		{
			[]clause.Interface{clause.Insert{}},
			"INSERT INTO `users`", nil,
		},
		{
			[]clause.Interface{clause.Insert{Modifier: "LOW_PRIORITY"}},
			"INSERT LOW_PRIORITY INTO `users`", nil,
		},
		{
			[]clause.Interface{clause.Insert{Table: clause.Table{Name: "products"}, Modifier: "LOW_PRIORITY"}},
			"INSERT LOW_PRIORITY INTO `products`", nil,
		},
	}

	for idx, result := range results {

		if err != nil {
			t.Fatal(err)
		}

		postPolicyForm, err := parsePostPolicyForm(bytes.NewReader(policyBytes))
		if err != nil {
			t.Fatal(err)
		}

		err = checkPostPolicy(formValues, postPolicyForm)
		if err != nil && tt.expectedErr != nil && err.Error() != tt.expectedErr.Error() {

	})
	if err != nil {
		log.Fatalln(err)
	}

	var opts minio.GetObjectOptions

	// Add extract header to request:
	opts.Set("x-minio-extract", "true")

	// Download API.md from the archive
	rd, err := s3Client.GetObject(context.Background(), "your-bucket", "path/to/file.zip/data.csv", opts)
	if err != nil {
		log.Fatalln(err)
	}
	_, err = io.Copy(os.Stdout, rd)

	if err != nil {
		c.Fatalf("policy add error: %v", err)
	}

	userCount := 50
	accessKeys := make([]string, userCount)
	secretKeys := make([]string, userCount)
	for i := 0; i < userCount; i++ {
		accessKey, secretKey := mustGenerateCredentials(c)
		err = s.adm.SetUser(ctx, accessKey, secretKey, madmin.AccountEnabled)
		if err != nil {
			c.Fatalf("Unable to set user: %v", err)
		}

	}

	var start, rangeLen int64
	totalObjectSize, err := objInfo.GetActualSize()
	if err != nil {
		return err
	}

	if rs == nil && opts.PartNumber > 0 {
		rs = partNumberToRangeSpec(objInfo, opts.PartNumber)
	}

	// For providing ranged content
	start, rangeLen, err = rs.GetOffsetLength(totalObjectSize)
	if err != nil {
		return err
	}

	// Set content length.

	dir := t.TempDir()

	fs, err := newLocalXLStorage(dir)
	if err != nil {
		t.Fatal(err)
	}

	// Create volume to use in conjunction with other StorageAPI's file API(s)
	err = fs.MakeVol(context.Background(), "voldir")
	if err != nil {
		t.Fatal(err)
	}

	err = fs.AppendFile(context.Background(), "voldir", "/file", []byte("hello"))
	if err != nil {
		t.Fatal(err)
	}