break
		}

		// We take care of the situation where if n == 0 and total == 0 by creating empty data and parity files.
		blocks, err = e.EncodeData(ctx, buf[:n])
		if err != nil {
			return 0, err
		}

		if err = writer.Write(ctx, blocks); err != nil {
			return 0, err
		}

		total += int64(n)
		if eof {
			break
		}
	}
	return total, nil

		var rs *HTTPRangeSpec
		if byteRange != "" {
			rs, err = parseRequestRangeSpec(byteRange)
			if err != nil {
				t.Fatalf("Object: %s Case %d ByteRange: %s: Unexpected err: %v", object, i+1, byteRange, err)
			}
		}
		off, length, err = rs.GetOffsetLength(objectLength(oi))
		if err != nil {
			t.Fatalf("Object: %s Case %d ByteRange: %s: Unexpected err: %v", object, i+1, byteRange, err)
		}

		readers := []io.Reader{}

	case "RSA":
		if key.N == "" || key.E == "" {
			return nil, errMalformedJWKRSAKey
		}

		// decode exponent
		ebuf, err := base64.RawURLEncoding.DecodeString(key.E)
		if err != nil {
			return nil, errMalformedJWKRSAKey
		}

		nbuf, err := base64.RawURLEncoding.DecodeString(key.N)
		if err != nil {
			return nil, errMalformedJWKRSAKey
		}

		var n, e big.Int
		n.SetBytes(nbuf)
		e.SetBytes(ebuf)

func LookupConfig(kvs config.KVS) (cfg Config, err error) {
	if err = config.CheckValidKeys(config.HealSubSys, kvs, DefaultKVS); err != nil {
		return cfg, err
	}

	bitrot := env.Get(EnvBitrot, kvs.GetWithDefault(Bitrot, DefaultKVS))
	if _, err = parseBitrotConfig(bitrot); err != nil {
		return cfg, fmt.Errorf("'heal:bitrotscan' value invalid: %w", err)
	}

	cfg.Bitrot = bitrot

		t.Run(fmt.Sprintf("Test %d", i+1), func(t *testing.T) {
			var filter Filter
			err := xml.Unmarshal([]byte(tc.inputXML), &filter)
			if err != nil {
				t.Fatalf("%d: Expected no error but got %v", i+1, err)
			}
			err = filter.Validate()
			if err != tc.expectedErr {
				t.Fatalf("%d: Expected %v but got %v", i+1, tc.expectedErr, err)
			}
		})
	}
}

func TestObjectSizeFilters(t *testing.T) {

func CriticalIf(ctx context.Context, err error, errKind ...interface{}) {
	if err != nil {
		LogIf(ctx, "", err, errKind...)
		panic(ErrCritical)
	}
}

// FatalIf is similar to Fatal() but it ignores passed nil error
func FatalIf(err error, msg string, data ...interface{}) {
	if err == nil {
		return
	}
	fatal(err, msg, data...)

			testdataFile := "testdata/testdata.parquet"
			file, err := os.Open(testdataFile)
			if err != nil {
				t.Fatal(err)
			}

			s3Select, err := NewS3Select(bytes.NewReader(testCase.requestXML))
			if err != nil {
				t.Fatal(err)
			}

			if err = s3Select.Open(file); err != nil {
				t.Fatal(err)
			}

	disk, err := newStorageAPI(endpoint, storageOpts{
		cleanUp:     false,
		healthCheck: false,
	})
	if err != nil {
		return nil, nil, err
	}

	format, err := loadFormatErasure(disk, false)
	if err != nil {
		disk.Close()
		return nil, nil, fmt.Errorf("Drive: %s returned %w", disk, err) // make sure to '%w' to wrap the error
	}

	disk.Close()

				set:                     true,
			},
			err: nil,
		},
		{
			n: NoncurrentVersionExpiration{
				NoncurrentDays:          90,
				NewerNoncurrentVersions: 2,
				set:                     true,
			},
			err: nil,
		},
		{
			n: NoncurrentVersionExpiration{
				NoncurrentDays: -1,
				set:            true,
			},
			err: errXMLNotWellFormed,
		},
		{
			n: NoncurrentVersionExpiration{

func (r Rule) Validate() error {
	if err := r.validateID(); err != nil {
		return err
	}
	if err := r.validateStatus(); err != nil {
		return err
	}
	if err := r.validateExpiration(); err != nil {
		return err
	}
	if err := r.validateNoncurrentExpiration(); err != nil {
		return err
	}
	if err := r.validatePrefixAndFilter(); err != nil {
		return err
	}