type endlessZeros struct{}

func (endlessZeros) Read(p []byte) (int, error) {
	return 0, nil
}

func TestBadReader(t *testing.T) {
	scanner := NewScanner(endlessZeros{})
	for scanner.Scan() {
		t.Fatal("read should fail")
	}
	err := scanner.Err()
	if err != io.ErrNoProgress {
		t.Errorf("unexpected error: %v", err)
	}
}

func TestScanWordsExcessiveWhiteSpace(t *testing.T) {

	"time"

	"github.com/minio/minio/internal/logger/target/testlogger"
)

func BenchmarkRequests(b *testing.B) {
	for n := 2; n <= 32; n *= 2 {
		b.Run("servers="+strconv.Itoa(n), func(b *testing.B) {
			benchmarkGridRequests(b, n)
		})
	}
}

func benchmarkGridRequests(b *testing.B, n int) {
	defer testlogger.T.SetErrorTB(b)()
	errFatal := func(err error) {
		b.Helper()
		if err != nil {
			b.Fatal(err)
		}
	}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z BatchJobKeyRotateEncryption) Msgsize() (s int) {
	s = 1 + 5 + msgp.StringPrefixSize + len(string(z.Type)) + 4 + msgp.StringPrefixSize + len(z.Key) + 8 + msgp.StringPrefixSize + len(z.Context)
	return
}

// DecodeMsg implements msgp.Decodable
func (z *BatchJobKeyRotateFlags) DecodeMsg(dc *msgp.Reader) (err error) {
	var field []byte

	Columns      []Column
	Where        Where
	TargetWhere  Where
	OnConstraint string
	DoNothing    bool
	DoUpdates    Set
	UpdateAll    bool
}

func (OnConflict) Name() string {
	return "ON CONFLICT"
}

// Build build onConflict clause
func (onConflict OnConflict) Build(builder Builder) {
	if onConflict.OnConstraint != "" {
		builder.WriteString("ON CONSTRAINT ")
		builder.WriteString(onConflict.OnConstraint)

	}
	if crawled[url] {
		return
	}
	crawled[url] = true

	wg.Add(1)
	go func() {
		urlq <- url
	}()
}

func addProblem(url, errmsg string) {
	msg := fmt.Sprintf("Error on %s: %s (from %s)", url, errmsg, linkSources[url])
	if *verbose {
		log.Print(msg)
	}
	problems = append(problems, msg)
}

func crawlLoop() {
	for url := range urlq {
		if err := doCrawl(url); err != nil {

	default:
		return n, nil
	}
}

func (fw *regFileWriter) ReadFrom(r io.Reader) (int64, error) {
	return io.Copy(struct{ io.Writer }{fw}, r)
}

// logicalRemaining implements fileState.logicalRemaining.
func (fw regFileWriter) logicalRemaining() int64 {
	return fw.nb
}

// physicalRemaining implements fileState.physicalRemaining.
func (fw regFileWriter) physicalRemaining() int64 {
	return fw.nb
}

// size, it returns the underlying [Reader].
func NewReaderSize(rd io.Reader, size int) *Reader {
	// Is it already a Reader?
	b, ok := rd.(*Reader)
	if ok && len(b.buf) >= size {
		return b
	}
	r := new(Reader)
	r.reset(make([]byte, max(size, minReadBufferSize)), rd)
	return r
}

// NewReader returns a new [Reader] whose buffer has the default size.
func NewReader(rd io.Reader) *Reader {

}

func BenchmarkErasureDecode_4_64KB(b *testing.B) {
	const size = 64 * 1024
	b.Run(" 00|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 0, size, b) })
	b.Run(" 00|X0 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 1, size, b) })
	b.Run(" X0|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 1, 0, size, b) })
	b.Run(" X0|X0 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 1, 1, size, b) })

	"github.com/dustin/go-humanize"
	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/logger"
)

var printEndpointError = func() func(Endpoint, error, bool) {
	var mutex sync.Mutex
	printOnce := make(map[Endpoint]map[string]int)

	return func(endpoint Endpoint, err error, once bool) {
		reqInfo := (&logger.ReqInfo{}).AppendTags("endpoint", endpoint.String())
		ctx := logger.SetReqInfo(GlobalContext, reqInfo)

// If nil an empty string will be returned.
func (c *MapClaims) GetAccessKey() string {
	if c == nil {
		return ""
	}
	return c.AccessKey
}

// NewStandardClaims - initializes standard claims
func NewStandardClaims() *StandardClaims {
	return &StandardClaims{}
}

// SetIssuer sets issuer for these claims
func (c *StandardClaims) SetIssuer(issuer string) {
	c.Issuer = issuer
}