func prepareTestBackend(ctx context.Context, instanceType string) (ObjectLayer, []string, error) {
	switch instanceType {
	// Total number of disks for Erasure sets backend is set to 32.
	case ErasureSetsTestStr:
		return prepareErasureSets32(ctx)
	// Total number of disks for Erasure backend is set to 16.
	case ErasureTestStr:
		return prepareErasure16(ctx)
	default:
		// return FS backend by default.

				{Name: "Asia-maps.png"},
				{Name: "Asia/India/India-summer-photos-1"},
				{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"},
				{Name: "newPrefix0"},
				{Name: "newPrefix1"},
			},
		},
		// ListObjectsResult-2.
		// (TestCase 24).
		2: {
			IsTruncated: true,
			Objects: []ObjectInfo{
				{Name: "Asia-maps.png"},
				{Name: "Asia/India/India-summer-photos-1"},

		// Test case with keyMarker set equal to number of parts in the result. (Test number 18).
		{bucketNames[0], "", "min", "", "", 1, listMultipartResults[5], nil, true},
		// Test case with keyMarker set to 0. (Test number 19).
		{bucketNames[0], "", "min", "", "", 0, listMultipartResults[6], nil, true},
		// Test case with keyMarker less than 0. (Test number 20).

		default:
			bts, err = msgp.Skip(bts)
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *BucketReplicationStat) Msgsize() (s int) {

		}
	}

	erasure := fi.Erasure
	for _, part := range fi.Parts {
		checksumInfo := erasure.GetChecksumInfo(part.Number)
		partPath := pathJoin(volumeDir, path, fi.DataDir, fmt.Sprintf("part.%d", part.Number))
		if err := s.bitrotVerify(ctx, partPath,
			erasure.ShardFileSize(part.Size),
			checksumInfo.Algorithm,
			checksumInfo.Hash, erasure.ShardSize()); err != nil {

		},
		{
			name:       "select-in-number",
			query:      `SELECT * from s3object s WHERE 4 in s.numbers[*]`,
			wantResult: `{"id":2,"title":"Second Record","desc":"another text","numbers":[2,3,4]}`,
		},
		{
			name:       "select-in-number-float",
			query:      `SELECT * from s3object s WHERE 3 in s.numbers[*]`,

		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		(*z) = ChecksumAlgo(zb0001)
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z ChecksumAlgo) Msgsize() (s int) {
	s = msgp.Uint8Size
	return
}

// DecodeMsg implements msgp.Decodable

	}

	var healOnce sync.Once

	for ; partIndex <= lastPartIndex; partIndex++ {
		if length == totalBytesRead {
			break
		}

		partNumber := fi.Parts[partIndex].Number

		// Save the current part name and size.
		partSize := fi.Parts[partIndex].Size

		partLength := partSize - partOffset
		// partLength should be adjusted so that we don't write more data than what was requested.

		Description:    "Invalid Encoding Method specified in Request",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidMaxParts: {
		Code:           "InvalidArgument",
		Description:    "Part number must be an integer between 1 and 10000, inclusive",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidPartNumberMarker: {
		Code:           "InvalidArgument",

			if pctUsed := int(disk.Used * 100 / disk.Total); pctUsed > maxUsedPct {
				maxUsedPct = pctUsed
			}
		}

		// Since we are comparing pools that may have a different number of sets
		// we multiply by the number of sets in the pool.
		// This will compensate for differences in set sizes
		// when choosing destination pool.
		// Different set sizes are already compensated by less disks.