}
		}

		// Add the current part.
		fi.AddObjectPart(part.Number, part.ETag, part.Size, part.ActualSize, part.ModTime, part.Index, part.Checksums)
	}

	// Calculate full object size.
	var objectSize int64

	// Calculate consolidated actual size.
	var objectActualSize int64

	// Order online disks in accordance with distribution order.

}

// PartInfo - represents individual part metadata.
type PartInfo struct {
	// Part number that identifies the part. This is a positive integer between
	// 1 and 10,000.
	PartNumber int

	// Date and time at which the part was uploaded.
	LastModified time.Time

	// Entity tag returned when the part was initially uploaded.
	ETag string

	// Size in bytes of the part.
	Size int64

// objectPartIndex - returns the index of matching object part number.
// Returns -1 if the part cannot be found.
func objectPartIndex(parts []ObjectPartInfo, partNumber int) int {
	for i, part := range parts {
		if partNumber == part.Number {
			return i
		}
	}
	return -1
}

// objectPartIndexNums returns the index of the specified part number.
// Returns -1 if the part cannot be found.

		}
	}
}

// Tests maximum allowed part number.
func TestMaxPartID(t *testing.T) {
	sizes := []struct {
		isMax bool
		partN int
	}{
		// Test - 1 part number within max part number.
		{
			false,
			globalMaxPartID - 1,
		},
		// Test - 2 part number bigger than max part number.
		{
			true,
			globalMaxPartID + 1,
		},
	}

	// Test 4: key = disk index, value = part name with hash mismatch
	erasureDisks = s.getDisks()
	diskFailures := make(map[int]string)
	diskFailures[0] = "part.1"
	diskFailures[3] = "part.1"
	diskFailures[15] = "part.1"

	for diskIndex, partName := range diskFailures {
		for i := range partsMetadata[diskIndex].Parts {
			if fmt.Sprintf("part.%d", i+1) == partName {

// if part > 0, and we have the checksum for the part that will be returned.
// Returns whether the checksum (main part 0) is a multipart checksum.
func (o *ObjectInfo) decryptChecksums(part int, h http.Header) (cs map[string]string, isMP bool) {
	data := o.Checksum
	if len(data) == 0 {
		return nil, false
	}
	if part > 0 && !crypto.SSEC.IsEncrypted(o.UserDefined) {

	sha256sum := ""
	var opts ObjectOptions
	// Iterating over creatPartCases to generate multipart chunks.
	for _, part := range parts {
		_, err = obj.PutObjectPart(context.Background(), part.bucketName, part.objName, part.uploadID, part.PartID, mustGetPutObjReader(t, bytes.NewBufferString(part.inputReaderData), part.inputDataSize, part.inputMd5, sha256sum), opts)
		if err != nil {
			t.Fatalf("%s : %s", instanceType, err)
		}
	}

		Recursive: false,
		Immediate: false,
	})
	if err != nil {
		t.Errorf("Failure during deleting part.1 - %v", err)
	}

	err = firstDisk.WriteAll(t.Context(), bucket, pathJoin(object, fi.DataDir, "part.1"), []byte{})
	if err != nil {
		t.Errorf("Failure during creating part.1 - %v", err)
	}

			t.Errorf("Test %d: ServerSideEncryptionKDF must be part of metadata: %v", i, kdf)
		}
		if iv, ok := test.metadata[crypto.MetaIV]; !ok {
			t.Errorf("Test %d: crypto.SSEIV must be part of metadata: %v", i, iv)
		}
		if mac, ok := test.metadata[crypto.MetaSealedKeySSEC]; !ok {
			t.Errorf("Test %d: ServerSideEncryptionKeyMAC must be part of metadata: %v", i, mac)
		}
	}
}

	compareXLMetaV1(t, unMarshalXLMeta, jsoniterXLMeta)
}

// Test the predicted part size from the part index
func TestGetPartSizeFromIdx(t *testing.T) {
	// Create test cases
	testCases := []struct {
		totalSize    int64
		partSize     int64
		partIndex    int
		expectedSize int64
	}{
		// Total size is zero
		{0, 10, 1, 0},
		// part size 2MiB, total size 4MiB