assertThat(converter.convert("0")).isEqualTo(0);
    assertThat(converter.convert("-1")).isEqualTo(-1);
    assertThat(converter.convert("0xff")).isEqualTo(255);
    assertThat(converter.convert("0xFF")).isEqualTo(255);
    assertThat(converter.convert("-0xFF")).isEqualTo(-255);
    assertThat(converter.convert("#0000FF")).isEqualTo(255);
    assertThat(converter.convert("0666")).isEqualTo(438);
  }

    val length = source.readMedium()
    if (length > INITIAL_MAX_FRAME_SIZE) {
      throw IOException("FRAME_SIZE_ERROR: $length")
    }
    val type = source.readByte() and 0xff
    val flags = source.readByte() and 0xff
    val streamId = source.readInt() and 0x7fffffff // Ignore reserved bit.
    if (type != TYPE_WINDOW_UPDATE && logger.isLoggable(FINE)) {
      logger.fine(frameLog(true, streamId, length, type, flags))

    for (int i = 0; i <= 0xff; i++) {
      assertThat(UnsignedBytes.toString((byte) i)).isEqualTo(Integer.toString(i));
    }
  }

  public void testToStringWithRadix() {
    // We can easily afford to test this exhaustively.
    for (int radix = Character.MIN_RADIX; radix <= Character.MAX_RADIX; radix++) {
      for (int i = 0; i <= 0xff; i++) {

   * the unreachable data. We choose to discard it!
   *
   * In practice this could happen if the encoder doesn't strip the [0x00, 0x00, 0xff, 0xff] suffix
   * and that ends up repeated.
   *
   * https://github.com/square/okhttp/issues/8551
   */
  @Test
  fun `deflated data has too many bytes`() {
    val inflater = MessageInflater(true)

      return strideTable[3][word & 0xFF]
          ^ strideTable[2][(word >>> 8) & 0xFF]
          ^ strideTable[1][(word >>> 16) & 0xFF]
          ^ strideTable[0][word >>> 24];
    }

    static int combine(int csum, int crc) {
      csum ^= crc;
      for (int i = 0; i < 4; i++) {
        csum = (csum >>> 8) ^ byteTable[csum & 0xFF];
      }
      return csum;
    }

      checkPositionIndexes(off, off + len, bytes.length);
      int i = off;
      for (int remaining = len; remaining >= 3; remaining -= 3) {
        int chunk = (bytes[i++] & 0xFF) << 16 | (bytes[i++] & 0xFF) << 8 | (bytes[i++] & 0xFF);
        target.append(alphabet.encode(chunk >>> 18));
        target.append(alphabet.encode((chunk >>> 12) & 0x3F));
        target.append(alphabet.encode((chunk >>> 6) & 0x3F));

    // Disable the timeout to read the first byte of a new frame.
    val b0: Int
    val timeoutBefore = source.timeout().timeoutNanos()
    source.timeout().clearTimeout()
    try {
      b0 = source.readByte() and 0xff
    } finally {
      source.timeout().timeout(timeoutBefore, TimeUnit.NANOSECONDS)
    }

    opcode = b0 and B0_MASK_OPCODE
    isFinalFrame = b0 and B0_FLAG_FIN != 0

    assertThat(converter.convert("0")).isEqualTo(0);
    assertThat(converter.convert("-1")).isEqualTo(-1);
    assertThat(converter.convert("0xff")).isEqualTo(255);
    assertThat(converter.convert("0xFF")).isEqualTo(255);
    assertThat(converter.convert("-0xFF")).isEqualTo(-255);
    assertThat(converter.convert("#0000FF")).isEqualTo(255);
    assertThat(converter.convert("0666")).isEqualTo(438);
  }

    byte[] quad = textToNumericFormatV4(dottedQuad);
    if (quad == null) {
      return null;
    }
    String penultimate = Integer.toHexString(((quad[0] & 0xff) << 8) | (quad[1] & 0xff));
    String ultimate = Integer.toHexString(((quad[2] & 0xff) << 8) | (quad[3] & 0xff));
    return initialPart + penultimate + ":" + ultimate;
  }

  private static byte parseOctet(String ipString, int start, int end) {

)

type exprTest struct {
	input  string
	output int64
	atEOF  bool
}

var exprTests = []exprTest{
	// Simple
	{"0", 0, true},
	{"3", 3, true},
	{"070", 8 * 7, true},
	{"0x0f", 15, true},
	{"0xFF", 255, true},
	{"9223372036854775807", 9223372036854775807, true}, // max int64
	// Unary
	{"-0", 0, true},
	{"~0", -1, true},
	{"~0*0", 0, true},
	{"+3", 3, true},
	{"-3", -3, true},