"path"
	"slices"
	"strings"
	"time"
)

// Writer provides sequential writing of a tar archive.
// [Writer.WriteHeader] begins a new file with the provided [Header],
// and then Writer can be treated as an io.Writer to supply that file's data.
type Writer struct {
	w    io.Writer
	pad  int64      // Amount of padding to write after current file entry
	curr fileWriter // Writer for current file entry

// for the file metadata. [Writer] takes ownership of fh and may mutate
// its fields. The caller must not modify fh after calling [Writer.CreateHeader].
//
// This returns a [Writer] to which the file contents should be written.
// The file's contents must be written to the io.Writer before the next
// call to [Writer.Create], [Writer.CreateHeader], [Writer.CreateRaw], or [Writer.Close].

	r.isFull = false
	return b, r.readErr(true)
}

// Write writes len(p) bytes from p to the underlying buf.
// It returns the number of bytes written from p (0 <= n <= len(p))
// and any error encountered that caused the write to stop early.
// If blocking n < len(p) will be returned only if an error occurred.
// Write returns a non-nil error if it returns n < len(p).
// Write will not modify the slice data, even temporarily.

// EncodeMsg implements msgp.Encodable
func (z *lockRequesterInfo) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 9
	// write "Name"
	err = en.Append(0x89, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
	if err != nil {
		return
	}
	err = en.WriteString(z.Name)
	if err != nil {
		err = msgp.WrapError(err, "Name")
		return
	}
	// write "Writer"
	err = en.Append(0xa6, 0x57, 0x72, 0x69, 0x74, 0x65, 0x72)
	if err != nil {

				if !writer.write(newStatsMessage(writer.finBytesScanned, writer.finBytesProcessed, bytesReturned)) {
					break
				}
				writer.write(endMessage)
			} else {
				for payload.Len() > 0 {
					copiedLen := copy(writer.payloadBuffer[writer.payloadBufferIndex:], payload.Bytes())
					writer.payloadBufferIndex += copiedLen
					payload.Next(copiedLen)

					// If buffer is filled, flush it now!

   * writer will close the target if it is {@link Closeable}, and flushing the writer will flush the
   * target if it is {@link java.io.Flushable}.
   *
   * @param target the object to which output will be sent
   * @return a new Writer object, unless target is a Writer, in which case the target is returned
   */
  public static Writer asWriter(Appendable target) {
    if (target instanceof Writer) {
      return (Writer) target;
    }

	w := NewWriter(io.Discard)
	dw, err := w.Create("dir/")
	if err != nil {
		t.Fatal(err)
	}
	if _, err := dw.Write(nil); err != nil {
		t.Errorf("Write(nil) to directory: got %v, want nil", err)
	}
	if _, err := dw.Write([]byte("hello")); err == nil {
		t.Error(`Write("hello") to directory: got nil error, want non-nil`)
	}
}

func TestWriterDirAttributes(t *testing.T) {
	var buf bytes.Buffer

				t.Fatalf("write failed: %v", err)
			}
			wroteBytes += n
			wrote.Write(buf[:n])
			debugln("WRITE 4\t", n, wroteBytes)

			// TryWriteByte
			err = rb.TryWriteByte(buf[0])
			if err != nil && err != ErrAcquireLock && err != ErrTooMuchDataToWrite && err != ErrIsFull {
				t.Fatalf("write failed: %v", err)
			}
			if err == nil {
				wroteBytes++
				wrote.Write(buf[:1])
				debugln("WRITE 5\t", 1, wroteBytes)

// EncodeMsg implements msgp.Encodable
func (z *PoolDecommissionInfo) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 16
	// write "st"
	err = en.Append(0xde, 0x0, 0x10, 0xa2, 0x73, 0x74)
	if err != nil {
		return
	}
	err = en.WriteTime(z.StartTime)
	if err != nil {
		err = msgp.WrapError(err, "StartTime")
		return
	}
	// write "ss"
	err = en.Append(0xa2, 0x73, 0x73)
	if err != nil {
		return
	}

		}
	}
}

// testNonEmptyWriter wraps an io.Writer and ensures that
// Write is never called with an empty buffer.
type testNonEmptyWriter struct{ io.Writer }

func (w testNonEmptyWriter) Write(b []byte) (int, error) {
	if len(b) == 0 {
		return 0, errors.New("unexpected empty Write call")
	}
	return w.Writer.Write(b)
}

func TestFileWriter(t *testing.T) {
	type (