}
	return err
}

func saveConfigWithOpts(ctx context.Context, store objectIO, configFile string, data []byte, opts ObjectOptions) error {
	hashReader, err := hash.NewReader(ctx, bytes.NewReader(data), int64(len(data)), "", getSHA256Hash(data), int64(len(data)))
	if err != nil {
		return err
	}

	_, err = store.PutObject(ctx, minioMetaBucket, configFile, NewPutObjReader(hashReader), opts)
	return err
}

	for _, partNum := range []int{1, 2, 4, 5, 7} {
		partNumString := strconv.Itoa(partNum)
		fi.AddObjectPart(partNum, "etag."+partNumString, int64(partNum+humanize.MiByte), ActualSize, UTCNow(), nil, nil)
	}

	testCases := []struct {
		offset         int64
		expectedIndex  int
		expectedOffset int64
		expectedErr    error
	}{
		{0, 0, 0, nil},
		{1 * humanize.MiByte, 0, 1 * humanize.MiByte, nil},

// license that can be found in the LICENSE file.

package tar

import (
	"math"
	"strings"
	"testing"
	"time"
)

func TestFitsInBase256(t *testing.T) {
	vectors := []struct {
		in    int64
		width int
		ok    bool
	}{
		{+1, 8, true},
		{0, 8, true},
		{-1, 8, true},
		{1 << 56, 8, false},
		{(1 << 56) - 1, 8, true},
		{-1 << 56, 8, true},
		{(-1 << 56) - 1, 8, false},

				i+1, test.result, got)
		}
	}
}

func TestGetCompressedOffsets(t *testing.T) {
	testCases := []struct {
		objInfo           ObjectInfo
		offset            int64
		startOffset       int64
		snappyStartOffset int64
		firstPart         int
	}{
		0: {
			objInfo: ObjectInfo{
				Parts: []ObjectPartInfo{
					{
						Size:       39235668,
						ActualSize: 67108864,
					},
					{

// The size of the content that produced the second checksum must be provided.
// Not all checksum types can be merged, use the CanMerge method to check.
// Checksum types must match.
func (c *Checksum) AddPart(other Checksum, size int64) error {
	if !other.Type.CanMerge() {
		return fmt.Errorf("checksum type cannot be merged")
	}
	if size == 0 {
		return nil
	}
	if !c.Type.Is(other.Type.Base()) {

}

type tierMetrics struct {
	sync.RWMutex  // protects requestsCount only
	requestsCount map[string]struct {
		success int64
		failure int64
	}
	histogram *prometheus.HistogramVec
}

var globalTierMetrics = tierMetrics{
	requestsCount: make(map[string]struct {
		success int64
		failure int64
	}),
	histogram: prometheus.NewHistogramVec(prometheus.HistogramOpts{
		Name:    "tier_ttlb_seconds",

		Avg:  QStat{Bytes: v.histBytes.Mean(), Count: v.histCounts.Mean()},
	}
}

// InQueueStats holds queue stats for replication
type InQueueStats struct {
	nowBytes   int64 `json:"-"`
	nowCount   int64 `json:"-"`
	histCounts metrics.Histogram
	histBytes  metrics.Histogram
}

func newInQueueStats(r metrics.Registry, lbl string) InQueueStats {

// ShardFileSize - returns final erasure size from original size.
func (e ErasureInfo) ShardFileSize(totalLength int64) int64 {
	if totalLength == 0 {
		return 0
	}
	if totalLength == -1 {
		return -1
	}
	numShards := totalLength / e.BlockSize
	lastBlockSize := totalLength % e.BlockSize
	lastShardSize := ceilFrac(lastBlockSize, int64(e.DataBlocks))
	return numShards*e.ShardSize() + lastShardSize
}

type ObjectPartInfo struct {
	ETag       string            `json:"etag,omitempty" msg:"e"`
	Number     int               `json:"number" msg:"n"`
	Size       int64             `json:"size" msg:"s"`        // Size of the part on the disk.
	ActualSize int64             `json:"actualSize" msg:"as"` // Original size of the part without compression or encryption bytes.

	PartSizes          []int64           `json:"PartSizes" msg:"PartSizes"`                      // Part Sizes
	PartActualSizes    []int64           `json:"PartASizes,omitempty" msg:"PartASizes,allownil"` // Part ActualSizes (compression)
	PartIndices        [][]byte          `json:"PartIndices,omitempty" msg:"PartIdx,omitempty"`  // Part Indexes (compression)