return payload, 0, 0, fmt.Errorf("xlMeta: unknown XLv2 header, expected %v, got %v", xlHeader[:4], buf[:4])
	}

	if bytes.Equal(buf[4:8], []byte("1   ")) {
		// Set as 1,0.
		major, minor = 1, 0
	} else {
		major, minor = binary.LittleEndian.Uint16(buf[4:6]), binary.LittleEndian.Uint16(buf[6:8])
	}
	if major > xlVersionMajor {
		return buf[8:], major, minor, fmt.Errorf("xlMeta: unknown major version %d found", major)
	}

		case "P-224":
			curve = elliptic.P224()
		case "P-256":
			curve = elliptic.P256()
		case "P-384":
			curve = elliptic.P384()
		case "P-521":
			curve = elliptic.P521()
		default:
			return nil, fmt.Errorf("Unknown curve type: %s", key.Crv)
		}

		xbuf, err := base64.RawURLEncoding.DecodeString(key.X)
		if err != nil {
			return nil, errMalformedJWKECKey
		}

		ybuf, err := base64.RawURLEncoding.DecodeString(key.Y)

	if err := c.ClusterDiff(); err != nil {
		return err
	}
	if err := c.ListenerDiff(); err != nil {
		return err
	}
	return c.RouteDiff()
}

// nonstrictResolver is an AnyResolver that ignores unknown proto messages
type nonstrictResolver struct{}

var envoyResolver nonstrictResolver

func (m *nonstrictResolver) Resolve(typeURL string) (legacyproto.Message, error) {

	cases := []profileDiffTestcase{
		{
			args:       "profile diff demo default --unknown-flag",
			shouldFail: true,
		},
		{
			args:       "profile diff demo",
			shouldFail: true,
		},
		{
			args:       "profile diff",
			shouldFail: true,
		},
		{
			args:       fmt.Sprintf("profile diff default unknown-profile --manifests %s", snapshotCharts),
			shouldFail: true,
		},
		{

					DistributionAlgo string     `json:"distributionAlgo"`
				}{
					Version: "2",
				},
			},
			false,
		},
		// Invalid Erasure format "Unknown".
		{
			&formatErasureV3{
				formatMetaV1: formatMetaV1{
					Version: "1",
					Format:  "Unknown",
				},
				Erasure: struct {
					Version          string     `json:"version"`
					This             string     `json:"this"`

func (r *resolver) FindMessageByURL(url string) (protoreflect.MessageType, error) {
	typ, err := r.Types.FindMessageByURL(url)
	if err != nil {
		// Here we ignore the error since we want istioctl to ignore unknown types due to the Envoy version change
		msg := exprpb.Type{TypeKind: &exprpb.Type_Dyn{Dyn: &emptypb.Empty{}}}
		return msg.ProtoReflect().Type(), nil
	}
	return typ, nil
}

	{err: errObjectTampered, errCode: ErrObjectTampered},

	{err: nil, errCode: ErrNone},
	{err: errors.New("Custom error"), errCode: ErrInternalError}, // Case where err type is unknown.
}

func TestAPIErrCode(t *testing.T) {
	ctx := context.Background()
	for i, testCase := range toAPIErrorTests {
		errCode := toAPIErrorCode(ctx, testCase.err)
		if errCode != testCase.errCode {

	ctxt.Flag_maymorestack = flags.DebugFlags.MayMoreStack
	ctxt.Debugpcln = flags.DebugFlags.PCTab
	ctxt.IsAsm = true
	ctxt.Pkgpath = *flags.Importpath
	switch *flags.Spectre {
	default:
		log.Printf("unknown setting -spectre=%s", *flags.Spectre)
		os.Exit(2)
	case "":
		// nothing
	case "index":
		// known to compiler; ignore here so people can use
		// the same list with -gcflags=-spectre=LIST and -asmflags=-spectrre=LIST

		sftpLogOnceIf(context.Background(), err, "accept-channel-sftp")
	case xsftp.SSHKeyExchangeError:
		sftpLogOnceIf(context.Background(), err, "key-exchange-sftp")
	default:
		sftpLogOnceIf(context.Background(), err, "unknown-error-sftp")
	}
}

func filterAlgos(arg string, want []string, allowed []string) []string {
	var filteredAlgos []string
	found := false
	for _, algo := range want {
		if len(algo) == 0 {
			continue

// MD5 checksum of everything it reads as ETag.
//
// It also computes the SHA256 checksum of everything it reads
// if sha256Hex is not the empty string.
//
// If size resp. actualSize is unknown at the time of calling
// NewReader then it should be set to -1.
// When size is >=0 it *must* match the amount of data provided by r.
//
// NewReader may try merge the given size, MD5 and SHA256 values