t.Fatalf("got %d bytes left in bufio.Reader source; want 0 bytes", n)
	}
	// To prove the point, check that there are still 5 bytes available to read.
	if n := r.Buffered(); n != 5 {
		t.Fatalf("got %d bytes buffered in bufio.Reader; want 5 bytes", n)
	}

	// This is the second read of 0 bytes.
	read, err = r.Read([]byte{})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if read != 0 {

import (
	"bytes"
	"testing"

	"github.com/tinylib/msgp/msgp"
)

func TestMarshalUnmarshalBaseOptions(t *testing.T) {
	v := BaseOptions{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "bytes"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 3,
        "x": 3,
        "y": 0
      },
      "id": 65,
      "maxDataPoints": 100,

		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		(*z) = BackendType(zb0001)
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z BackendType) Msgsize() (s int) {
	s = msgp.IntSize
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *BucketInfo) MarshalMsg(b []byte) (o []byte, err error) {

			bts, err = msgp.Skip(bts)
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *BucketReplicationStat) Msgsize() (s int) {

	// There is another buffer that will buffer events.
	consoleLogRPC = grid.NewStream[*grid.MSS, grid.NoPayload, *grid.Bytes](grid.HandlerConsoleLog, grid.NewMSS, nil, grid.NewBytes).WithOutCapacity(100)
	listenRPC     = grid.NewStream[*grid.URLValues, grid.NoPayload, *grid.Bytes](grid.HandlerListen, grid.NewURLValues, nil, grid.NewBytes).WithOutCapacity(100)
)

// GetLocksHandler - returns list of lock from the server.

			bts, err = msgp.Skip(bts)
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *allTierStats) Msgsize() (s int) {
	s = 1 + 3 + msgp.MapHeaderSize
	if z.Tiers != nil {
		for za0001, za0002 := range z.Tiers {
			_ = za0002

	}

	writers := make([]io.Writer, len(onlineDisks))
	inlineBuffers := make([]*bytes.Buffer, len(onlineDisks))
	for i, disk := range onlineDisks {
		if disk == nil {
			continue
		}
		if disk.IsOnline() {
			buf := grid.GetByteBufferCap(int(erasure.ShardFileSize(data.Size())) + 64)
			inlineBuffers[i] = bytes.NewBuffer(buf[:0])
			defer grid.PutByteBuffer(buf)

// `value` must point to a string of length `length` bytes.
TF_CAPI_EXPORT extern void TF_SetAttrString(TF_OperationDescription* desc,
                                            const char* attr_name,
                                            const void* value, size_t length);
// `values` and `lengths` each must have lengths `num_values`.
// `values[i]` must point to a string of length `lengths[i]` bytes.

		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		(*z) = ChecksumAlgo(zb0001)
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z ChecksumAlgo) Msgsize() (s int) {
	s = msgp.Uint8Size
	return
}

// DecodeMsg implements msgp.Decodable
func (z *ErasureAlgo) DecodeMsg(dc *msgp.Reader) (err error) {
	{