"\uFFFD", // correctly encoded RuneError
	"abcdefgh",
	"abc def\n\t\tgh    ",
	"abc¼☹\x81\uFFFD日本語\x82abc",
}

func TestScanByte(t *testing.T) {
	for n, test := range scanTests {
		buf := strings.NewReader(test)
		s := NewScanner(buf)
		s.Split(ScanBytes)
		var i int
		for i = 0; s.Scan(); i++ {
			if b := s.Bytes(); len(b) != 1 || b[0] != test[i] {
				t.Errorf("#%d: %d: expected %q got %q", n, i, test, b)
			}

func (r *Reader) startReaders(newReader func(io.Reader) *csv.Reader) error {
	if r.args.FileHeaderInfo != none {
		// Read column names
		// Get one line.
		b, err := r.nextSplit(0, nil)
		if err != nil {
			r.err = err
			return err
		}
		if !utf8.Valid(b) {
			return errInvalidTextEncodingError()
		}
		reader := newReader(bytes.NewReader(b))
		record, err := reader.Read()
		if err != nil {

	if !bytes.Contains(buf.Bytes(), []byte("PaxHeaders.0")) {
		t.Fatal("Expected at least one PAX header to be written.")
	}
	// Test that we can get a long name back out of the archive.
	reader := NewReader(&buf)
	hdr, err = reader.Next()
	if err != nil {
		t.Fatal(err)
	}
	if hdr.Name != longName {
		t.Fatal("Couldn't recover long file name")
	}
}

func TestPaxSymlink(t *testing.T) {

	m.wg.Wait()
	close(m.opCh)
	atomic.StoreInt32(&m.closed, 1)

	if len(m.opCh) > 0 {
		healingLogEvent(context.Background(), "Saving MRF healing data (%d entries)", len(m.opCh))
	}

	newReader := func() io.ReadCloser {
		r, w := io.Pipe()
		go func() {
			// Initialize MRF meta header.
			var data [4]byte
			binary.LittleEndian.PutUint16(data[0:2], healMRFMetaFormat)

	}
	return true, ""
}

func TestCmpReaders(t *testing.T) {
	{
		r1 := bytes.NewReader([]byte("abc"))
		r2 := bytes.NewReader([]byte("abc"))
		ok, msg := cmpReaders(r1, r2)
		if !(ok && msg == "") {
			t.Fatalf("unexpected")
		}
	}

	{
		r1 := bytes.NewReader([]byte("abc"))
		r2 := bytes.NewReader([]byte("abcd"))
		ok, _ := cmpReaders(r1, r2)
		if ok {
			t.Fatalf("unexpected")
		}
	}

	}

	vn := healingTracker{}
	err := msgp.Decode(&buf, &vn)
	if err != nil {
		t.Error(err)
	}

	buf.Reset()
	msgp.Encode(&buf, &v)
	err = msgp.NewReader(&buf).Skip()
	if err != nil {
		t.Error(err)
	}
}

func BenchmarkEncodehealingTracker(b *testing.B) {
	v := healingTracker{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))

	}

	if len(b.LifecycleConfigXML) != 0 {
		b.lifecycleConfig, err = lifecycle.ParseLifecycleConfig(bytes.NewReader(b.LifecycleConfigXML))
		if err != nil {
			return err
		}
	} else {
		b.lifecycleConfig = nil
	}

	if len(b.EncryptionConfigXML) != 0 {
		b.sseConfig, err = bucketsse.ParseBucketSSEConfig(bytes.NewReader(b.EncryptionConfigXML))
		if err != nil {
			return err
		}
	} else {
		b.sseConfig = nil

	}

	vn := DailyAllTierStats{}
	err := msgp.Decode(&buf, &vn)
	if err != nil {
		t.Error(err)
	}

	buf.Reset()
	msgp.Encode(&buf, &v)
	err = msgp.NewReader(&buf).Skip()
	if err != nil {
		t.Error(err)
	}
}

func BenchmarkEncodeDailyAllTierStats(b *testing.B) {
	v := DailyAllTierStats{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)

	}

	vn := BucketBandwidthReport{}
	err := msgp.Decode(&buf, &vn)
	if err != nil {
		t.Error(err)
	}

	buf.Reset()
	msgp.Encode(&buf, &v)
	err = msgp.NewReader(&buf).Skip()
	if err != nil {
		t.Error(err)
	}
}

func BenchmarkEncodeBucketBandwidthReport(b *testing.B) {
	v := BucketBandwidthReport{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)

	src io.Reader

	md5      hash.Hash
	checksum ETag

	readN int64
}

// NewReader returns a new Reader that computes the
// MD5 checksum of the content read from r as ETag.
//
// If the provided etag is not nil the returned
// Reader compares the etag with the computed
// MD5 sum once the r returns io.EOF.
func NewReader(ctx context.Context, r io.Reader, etag ETag, forceMD5 []byte) *Reader {
	if er, ok := r.(*Reader); ok {