ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	nDisks := 16
	disks, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatal(err)
	}
	objLayer, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, disks...))
	if err != nil {
		removeRoots(disks)
		t.Fatal(err)
	}
	defer removeRoots(disks)
	z := objLayer.(*erasureServerPools)
	testShuffleDisks(t, z)
}

		}
	}

	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.

		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			gotArn, err := Parse(tt.args.arnStr)
			if err == nil && tt.wantErr {
				t.Errorf("Parse() error = %v, wantErr %v", err, tt.wantErr)
			}
			if err != nil && !tt.wantErr {
				t.Errorf("Parse() error = %v, wantErr %v", err, tt.wantErr)
			}
			if err == nil {
				if !reflect.DeepEqual(gotArn, tt.wantArn) {

//
// This is a `MetricsLoaderFn`.
func loadClusterUsageObjectMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	dataUsageInfo, err := c.dataUsageInfo.Get()
	if err != nil {
		metricsLogIf(ctx, err)
		return nil
	}

	// data usage has not captured any data yet.
	if dataUsageInfo.LastUpdate.IsZero() {
		return nil
	}

	var (
		clusterSize               uint64

	if vendor == "" {
		return nil
	}
	var err error
	switch vendor {
	case keyCloakVendor:
		adminURL := cfgGet(KeyCloakAdminURL)
		realm := cfgGet(KeyCloakRealm)
		p.provider, err = provider.KeyCloak(
			provider.WithAdminURL(adminURL),
			provider.WithOpenIDConfig(provider.DiscoveryDoc(p.DiscoveryDoc)),
			provider.WithTransport(transport),
			provider.WithRealm(realm),
		)
		return err
	default:

		},
	}
	for _, tt := range tests {
		d, err := xml.MarshalIndent(&tt.value, "", "\t")
		if err != nil {
			t.Fatal(err)
		}
		var dr DefaultRetention
		err = xml.Unmarshal(d, &dr)
		//nolint:gocritic
		if tt.expectedErr == nil {
			if err != nil {
				t.Fatalf("error: expected = <nil>, got = %v", err)
			}
		} else if err == nil {
			t.Fatalf("error: expected = %v, got = <nil>", tt.expectedErr)

	if ssc != "" {
		cfg.Standard, err = parseStorageClass(ssc)
		if err != nil {
			return Config{}, err
		}
	} else {
		cfg.Standard.Parity = DefaultParityBlocks(setDriveCount)
	}

	if rrsc != "" {
		cfg.RRS, err = parseStorageClass(rrsc)
		if err != nil {
			return Config{}, err
		}
	} else {
		cfg.RRS.Parity = defaultRRSParity
		if setDriveCount == 1 {

			endpoint, err := NewEndpoint(test.arg)
			if err == nil {
				err = endpoint.UpdateIsLocal()
			}

			switch {
			case test.expectedErr == nil:
				if err != nil {
					t.Errorf("error: expected = <nil>, got = %v", err)
				}
			case err == nil:
				t.Errorf("error: expected = %v, got = <nil>", test.expectedErr)
			case test.expectedErr.Error() != err.Error():

func (w *pooledFlateWriter) Write(p []byte) (n int, err error) {
	w.mu.Lock()
	defer w.mu.Unlock()
	if w.fw == nil {
		return 0, errors.New("Write after Close")
	}
	return w.fw.Write(p)
}

func (w *pooledFlateWriter) Close() error {
	w.mu.Lock()
	defer w.mu.Unlock()
	var err error
	if w.fw != nil {
		err = w.fw.Close()
		flateWriterPool.Put(w.fw)
		w.fw = nil
	}
	return err
}

var flateReaderPool sync.Pool

			}
		}
		cpuCount, err := c.Counts(true)
		if err != nil {
			m.Errors = append(m.Errors, fmt.Sprintf("%s: %v (cpuCount)", byHostName, err.Error()))
		} else {
			m.Aggregated.CPU.CPUCount = cpuCount
		}

		loadStat, err := load.Avg()
		if err != nil {
			m.Errors = append(m.Errors, fmt.Sprintf("%s: %v (loadStat)", byHostName, err.Error()))
		} else {