err = msgp.WrapError(err, "ReplicationState")
		return
	}
	if z.Data == nil { // allownil: if nil
		err = en.WriteNil()
		if err != nil {
			return
		}
	} else {
		err = en.WriteBytes(z.Data)
		if err != nil {
			err = msgp.WrapError(err, "Data")
			return
		}
	}
	err = en.WriteInt(z.NumVersions)
	if err != nil {
		err = msgp.WrapError(err, "NumVersions")
		return

    Files.copy(i18nFile, temp);
    assertTrue(Files.equal(i18nFile, temp));

    Files.copy(asciiFile, temp);
    RandomAccessFile rf = new RandomAccessFile(temp, "rw");
    rf.writeByte(0);
    rf.close();
    assertEquals(asciiFile.length(), temp.length());
    assertFalse(Files.equal(asciiFile, temp));

    assertTrue(Files.asByteSource(asciiFile).contentEquals(Files.asByteSource(asciiFile)));

  }

  /** Returns a byte string that differs from this one by one bit. */
  private fun ByteString.offByOneBit(): ByteString =
    Buffer()
      .write(this, 0, size - 1)
      .writeByte(this[size - 1].toInt() xor 1)
      .readByteString()

  private fun date(s: String): Date =
    SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ").run {
      timeZone = TimeZone.getTimeZone("GMT")

	if err != nil {
		err = msgp.WrapError(err, "Algorithm")
		return
	}
	// write "Hash"
	err = en.Append(0xa4, 0x48, 0x61, 0x73, 0x68)
	if err != nil {
		return
	}
	err = en.WriteBytes(z.Hash)
	if err != nil {
		err = msgp.WrapError(err, "Hash")
		return
	}
	return
}

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

    Files.copy(i18nFile, temp);
    assertTrue(Files.equal(i18nFile, temp));

    Files.copy(asciiFile, temp);
    RandomAccessFile rf = new RandomAccessFile(temp, "rw");
    rf.writeByte(0);
    rf.close();
    assertEquals(asciiFile.length(), temp.length());
    assertFalse(Files.equal(asciiFile, temp));

    assertTrue(Files.asByteSource(asciiFile).contentEquals(Files.asByteSource(asciiFile)));

		if added > 0 || e != "" {
			if added > 0 {
				dst.WriteByte(SlashSeparatorChar)
			}
			dst.WriteString(e)
			added += len(e)
		}
	}

	if pathNeedsClean(dst.Bytes()) {
		s := path.Clean(dst.String())
		if trailingSlash {
			return s + SlashSeparator
		}
		return s
	}
	if trailingSlash {
		dst.WriteByte(SlashSeparatorChar)
	}
	return dst.String()
}

    }
  }

  @Test
  fun singleByteReadIsSigned() {
    server.enqueue(
      MockResponse
        .Builder()
        .body(
          Buffer()
            .writeByte(-2)
            .writeByte(-1),
        ).build(),
    )
    val response = getResponse(newRequest("/"))
    val inputStream = response.body.byteStream()
    assertThat(inputStream.read()).isEqualTo(254)

	var s strings.Builder
	if x&xlFlagFreeVersion != 0 {
		s.WriteString("FreeVersion")
	}
	if x&xlFlagUsesDataDir != 0 {
		if s.Len() > 0 {
			s.WriteByte(',')
		}
		s.WriteString("UsesDD")
	}
	if x&xlFlagInlineData != 0 {
		if s.Len() > 0 {
			s.WriteByte(',')
		}
		s.WriteString("Inline")
	}
	return s.String()
}

HSPLokio/Buffer;->write(Lokio/ByteString;)Lokio/Buffer;
HSPLokio/Buffer;->write([B)Lokio/Buffer;
HSPLokio/Buffer;->write([BII)Lokio/Buffer;
HSPLokio/Buffer;->writeAll(Lokio/Source;)J
HSPLokio/Buffer;->writeByte(I)Lokio/Buffer;
HSPLokio/Buffer;->writeByte(I)Lokio/BufferedSink;
HSPLokio/Buffer;->writeInt(I)Lokio/Buffer;
HSPLokio/Buffer;->writeShort(I)Lokio/Buffer;
HSPLokio/Buffer;->writeUtf8(Ljava/lang/String;)Lokio/Buffer;

pkg strings, method (*Builder) Len() int
pkg strings, method (*Builder) Reset()
pkg strings, method (*Builder) String() string
pkg strings, method (*Builder) Write([]uint8) (int, error)
pkg strings, method (*Builder) WriteByte(uint8) error
pkg strings, method (*Builder) WriteRune(int32) (int, error)
pkg strings, method (*Builder) WriteString(string) (int, error)
pkg strings, type Builder struct
pkg syscall (freebsd-386), const SYS_UTIMENSAT = 547