t.Error("lastupdate not set")
	}

	if !want.Info.LastUpdate.Equal(got.Info.LastUpdate) {
		t.Fatalf("deserialize LastUpdate mismatch\nwant: %+v\ngot:  %+v", want, got)
	}
	if len(want.Cache) != len(got.Cache) {
		t.Errorf("deserialize mismatch length\nwant: %+v\ngot:  %+v", len(want.Cache), len(got.Cache))
	}
	for wkey, wval := range want.Cache {
		gotv := got.Cache[wkey]
		if !equalAsJSON(gotv, wval) {

		obj       ObjectInfo
		want      lifecycle.Action
	}{
		{
			// with object locking
			ilm:       *deleteAllLc,
			retention: lock.Retention{LockEnabled: true},
			obj:       obj,
			want:      lifecycle.NoneAction,
		},
		{
			// without object locking
			ilm:       *deleteAllLc,
			retention: lock.Retention{},
			obj:       obj,
			want:      lifecycle.DeleteAllVersionsAction,
		},

	var zb0001 uint32
	zb0001, bts, err = msgp.ReadArrayHeaderBytes(bts)
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	want := uint32(5)
	if hdrVer > 2 {
		want += 2
	}
	if zb0001 != want {
		err = msgp.ArrayError{Wanted: want, Got: zb0001}
		return
	}
	bts, err = msgp.ReadExactBytes(bts, (z.VersionID)[:])
	if err != nil {
		err = msgp.WrapError(err, "VersionID")
		return

		return nil
	}
	hasher := c.Type.Hasher()
	_, err := hasher.Write(content)
	if err != nil {
		return err
	}
	sum := hasher.Sum(nil)
	if !bytes.Equal(sum, c.Raw) {
		return ChecksumMismatch{
			Want: c.Encoded,
			Got:  base64.StdEncoding.EncodeToString(sum),
		}
	}
	return nil
}

// AsMap returns the
func (c *Checksum) AsMap() map[string]string {
	if c == nil || !c.Valid() {
		return nil

	diskReserveFraction = 0.15

	// diskAssumeUnknownSize is the size to assume when an unknown size upload is requested.
	diskAssumeUnknownSize = 1 << 30

	// diskMinInodes is the minimum number of inodes we want free on a disk to perform writes.
	diskMinInodes = 1000

	// tlsClientSessionCacheSize is the cache size for client sessions.
	tlsClientSessionCacheSize = 100
)

func init() {

  #   policy: none
  #   # Purge if bucket exists already
  #   purge: false
  #   # set versioning for
  #   # bucket [true|false]
  #   versioning: false # remove this key if you do not want versioning feature
  #   # set objectlocking for
  #   # bucket [true|false] NOTE: versioning is enabled by default if you use locking
  #   objectlocking: false
  # - name: bucket2
  #   policy: none

		metadata[ReservedMetadataPrefixLower+ReplicationStatus] = dsc.PendingStatus()
	}

	// We need to preserve the encryption headers set in EncryptRequest,
	// so we do not want to override them, copy them instead.
	for k, v := range encMetadata {
		metadata[k] = v
	}

	// Ensure that metadata does not contain sensitive information
	crypto.RemoveSensitiveEntries(metadata)

	// Store the preserved compression metadata.
	for k, v := range compressMetadata {
		srcInfo.UserDefined[k] = v
	}

	// We need to preserve the encryption headers set in EncryptRequest,
	// so we do not want to override them, copy them instead.
	for k, v := range encMetadata {
		srcInfo.UserDefined[k] = v
	}

	// Ensure that metadata does not contain sensitive information

		t.Log("Roundtrip:", time.Since(start))
		if len(resp) != 0 {
			t.Errorf("want nil, got %q", string(resp))
		}
		if err != RemoteErr(testPayload) {
			t.Errorf("want error %v(%T), got %v(%T)", RemoteErr(testPayload), RemoteErr(testPayload), err, err)
		}
		t.Log("Roundtrip:", time.Since(start))
	})

	t.Run("localToRemoteHuge", func(t *testing.T) {

	// may fall on the same timestamp.
	// Eg.
	// 	2020-03-28_15-00-945-<random-hash>.log
	// When FileNameFunc is not specified, DefaultFilenameFunc will be used.
	FileNameFunc func() string

	// Compress specify if you want the logs to be compressed after rotation.
	Compress bool
}

// Writer is a concurrency-safe writer with file rotation.
type Writer struct {
	// opts are the configuration options for this Writer
	opts Options