type recordTransform struct {
	reader io.Reader
	// recordDelimiter can be up to 2 characters.
	recordDelimiter []byte
	oneByte         []byte
	useOneByte      bool
}

func (rr *recordTransform) Read(p []byte) (n int, err error) {
	if rr.useOneByte {
		p[0] = rr.oneByte[0]
		rr.useOneByte = false
		n, err = rr.reader.Read(p[1:])
		n++
	} else {
		n, err = rr.reader.Read(p)
	}

	if err != nil {

        byteArrayOf(192.toByte(), 168.toByte(), 0, 1),
      ),
    ).isEqualTo("192.168.0.1")

    assertThat(
      inet4AddressToAscii(
        byteArrayOf(252.toByte(), 253.toByte(), 254.toByte(), 255.toByte()),
      ),
    ).isEqualTo("252.253.254.255")

    assertThat(
      inet4AddressToAscii(
        byteArrayOf(255.toByte(), 255.toByte(), 255.toByte(), 255.toByte()),
      ),

     * @return 変換された{@link Byte}
     */
    public static Byte toByte(final Object o) {
        return toByte(o, null);
    }

    /**
     * {@link Byte}に変換します。
     *
     * @param o
     *            変換元のオブジェクト
     * @param pattern
     *            パターン文字列
     * @return 変換された{@link Byte}
     */
    public static Byte toByte(final Object o, final String pattern) {
        if (o == null) {

private fun Buffer.skipCommasAndWhitespace(): Boolean {
  var commaFound = false
  loop@ while (!exhausted()) {
    when (this[0]) {
      ','.code.toByte() -> {
        // Consume ','.
        readByte()
        commaFound = true
      }

      ' '.code.toByte(), '\t'.code.toByte() -> {
        readByte()
        // Consume space or tab.
      }

      else -> break@loop
    }
  }
  return commaFound

	_ = Tbyte(si)   // ERROR "cannot convert.*Tbyte|invalid type conversion"
	_ = Trune(si)   // ERROR "cannot convert.*Trune|invalid type conversion"
	_ = Tint64(si)

	_ = string(ts)
	_ = []byte(ts)
	_ = []rune(ts)
	_ = []int64(ts) // ERROR "cannot convert.*\[\]int64|invalid type conversion"
	_ = Tstring(ts)
	_ = Tbyte(ts)
	_ = Trune(ts)

internal const val TYPE_VALID = 6

private fun BufferedSource.skipWhitespace() {
  while (!exhausted()) {
    if (buffer[0] != ' '.code.toByte()) return
    skip(1L)
  }
}

private fun BufferedSource.skipRestOfLine() {
  when (val newline = indexOf('\n'.code.toByte())) {
    -1L -> skip(buffer.size) // Exhaust this source.
    else -> skip(newline + 1)
  }
}

/**

    val utf8 = Buffer().writeUtf8(s)
    val v1 = utf8.readDecimalLong()
    require(utf8.readByte() == '.'.code.toByte())
    val v2 = utf8.readDecimalLong()
    writeVariableLengthLong(v1 * 40 + v2)

    while (!utf8.exhausted()) {
      require(utf8.readByte() == '.'.code.toByte())
      val vN = utf8.readDecimalLong()
      writeVariableLengthLong(vN)
    }
  }

 *
 */
public class ByteConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToByte() throws Exception {
        assertEquals(new Byte("100"), ByteConversionUtil.toByte("100"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveByte() throws Exception {
        assertEquals(100, ByteConversionUtil.toPrimitiveByte("100"));
    }

    /**

var _ []byte = ss // ERROR "cannot use|incompatible|invalid"

// named slice is now ok
type Trune []rune
type Tbyte []byte

var _ = Trune("abc") // ok
var _ = Tbyte("abc") // ok

// implicit is still not
var _ Trune = "abc" // ERROR "cannot use|incompatible|invalid|cannot convert"

        assertEquals(expectedOutput, Base64Factory.createEncoder().encodeToString(input.asciiToByteArray()))
    }

    private fun String.asciiToByteArray() = ByteArray(length) {
        get(it).code.toByte()
    }