t.Errorf("%s: buf.Flush = %v", context, e)
			}

			written := w.Bytes()
			if len(written) != nwrite {
				t.Errorf("%s: %d bytes written", context, len(written))
			}
			for l := 0; l < len(written); l++ {
				if written[l] != data[l] {
					t.Errorf("wrong bytes written")
					t.Errorf("want=%q", data[0:len(written)])
					t.Errorf("have=%q", written)
				}
			}
		}
	}
}

	copy(b2, b)
	return b2[:len(b)]
}

// WriteTo writes data to w until the buffer is drained or an error occurs.
// The return value n is the number of bytes written; it always fits into an
// int, but it is int64 to match the io.WriterTo interface. Any error
// encountered during the write is also returned.
func (b *Buffer) WriteTo(w io.Writer) (n int64, err error) {
	b.lastRead = opInvalid

      long written = ByteStreams.copy(input, out);
      out.flush(); // https://code.google.com/p/guava-libraries/issues/detail?id=1330
      return written;
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**
   * A char sink that encodes written characters with a charset and writes resulting bytes to this
   * byte sink.

		return
	}
	err = en.WriteInt(z.Writes)
	if err != nil {
		err = msgp.WrapError(err, "Writes")
		return
	}
	// write "Reads"
	err = en.Append(0xa5, 0x52, 0x65, 0x61, 0x64, 0x73)
	if err != nil {
		return
	}
	err = en.WriteInt(z.Reads)
	if err != nil {
		err = msgp.WrapError(err, "Reads")
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler

	t.Helper()
	for _, expected := range expected {
		if !strings.Contains(output, expected) {
			t.Errorf("expected %s included in writer output, did not find", expected)
		}
	}
	for _, unexpected := range unexpected {
		if strings.Contains(output, unexpected) {
			t.Errorf("unexpected string %s included in writer output", unexpected)
		}
	}

			// we have written the entire stream, return right here.
			return written, nil
		}

		if eof {
			// We reached EOF prematurely but we did not write everything
			// that we promised that we would write.
			if totalSize > 0 && written != totalSize {
				return written, io.ErrUnexpectedEOF
			}
			return written, nil
		}
	}
}

// SafeClose safely closes any channel of any type

	opts Options

	// f is the currently open file used for appends.
	// Writes to f are only synchronized once Close() is called,
	// or when files are being rotated.
	f *os.File

	pw *xioutil.PipeWriter
	pr *xioutil.PipeReader
}

// Write writes p into the current file, rotating if necessary.
// Write is non-blocking, if the writer's queue is not full.
// Write is blocking otherwise.

   * @since 15.0 (in 14.0 with return type {@link BufferedWriter})
   */
  public Writer openBufferedStream() throws IOException {
    Writer writer = openStream();
    return (writer instanceof BufferedWriter)
        ? (BufferedWriter) writer
        : new BufferedWriter(writer);
  }

  /**
   * Writes the given character sequence to this sink.
   *

    writeInt(Float.floatToIntBits(v));
  }

  /**
   * Writes an {@code int} as specified by {@link DataOutputStream#writeInt(int)}, except using
   * little-endian byte order.
   *
   * @throws IOException if an I/O error occurs
   */
  @Override
  public void writeInt(int v) throws IOException {
    out.write(0xFF & v);
    out.write(0xFF & (v >> 8));

				switch w := writers[j].(type) {
				case *wholeBitrotWriter:
					w.disk = badDisk{nil}
				case *streamingBitrotWriter:
					w.closeWithErr(errFaultyDisk)
				}
			}
			if test.offDisks > 0 {
				writers[0] = nil
			}
			n, err = erasure.Encode(context.Background(), bytes.NewReader(data[test.offset:]), writers, buffer, erasure.dataBlocks+1)
			closeBitrotWriters(writers)