ConstantValueKind.Int -> (value as Number).toInt()
            ConstantValueKind.Long -> (value as Number).toLong()
            ConstantValueKind.Short -> (value as Number).toShort()
            ConstantValueKind.UnsignedByte -> (value as Number).toLong().toUByte()
            ConstantValueKind.UnsignedShort -> (value as Number).toLong().toUShort()

            type.isUInt -> KtConstantValue.KtUnsignedIntConstantValue((value as Number).toInt().toUInt(), expression)
            type.isLong -> KtConstantValue.KtLongConstantValue((value as Number).toLong(), expression)
            type.isULong -> KtConstantValue.KtUnsignedLongConstantValue((value as Number).toLong().toULong(), expression)

    // Read the tag.
    val tagAndClass = source.readByte().toInt() and 0xff
    val tagClass = tagAndClass and 0b1100_0000
    val constructed = (tagAndClass and 0b0010_0000) == 0b0010_0000
    val tag =
      when (val tag0 = tagAndClass and 0b0001_1111) {
        0b0001_1111 -> readVariableLengthLong()
        else -> tag0.toLong()
      }

    // Read the length.

    frame.writeByte(FLAG_NONE)
    frame.writeInt(expectedStreamId and 0x7fffffff)
    frame.write(headerBlock, Http2.INITIAL_MAX_FRAME_SIZE.toLong())

    // Write the continuation frame, specifying no more frames are expected.
    writeMedium(frame, headerBlock.size.toInt())
    frame.writeByte(Http2.TYPE_CONTINUATION)
    frame.writeByte(FLAG_END_HEADERS)
    frame.writeInt(expectedStreamId and 0x7fffffff)

      val length = minOf(maxFrameSize - 4L, byteCount).toInt()
      frameHeader(
        streamId = streamId,
        length = length + 4,
        type = TYPE_PUSH_PROMISE,
        flags = if (byteCount == length.toLong()) FLAG_END_HEADERS else 0,
      )
      sink.writeInt(promisedStreamId and 0x7fffffff)
      sink.write(hpackBuffer, length.toLong())

  require(address.size == 4)
  return Buffer()
    .writeDecimalLong((address[0] and 0xff).toLong())
    .writeByte('.'.code)
    .writeDecimalLong((address[1] and 0xff).toLong())
    .writeByte('.'.code)
    .writeDecimalLong((address[2] and 0xff).toLong())
    .writeByte('.'.code)
    .writeDecimalLong((address[3] and 0xff).toLong())
    .readUtf8()
}

/**

    // Get frame length, optionally reading from follow-up bytes if indicated by special values.
    frameLength = (b1 and B1_MASK_LENGTH).toLong()
    if (frameLength == PAYLOAD_SHORT.toLong()) {
      frameLength = (source.readShort() and 0xffff).toLong() // Value is unsigned.
    } else if (frameLength == PAYLOAD_LONG.toLong()) {
      frameLength = source.readLong()
      if (frameLength < 0L) {
        throw ProtocolException(

    in 'a'..'f' -> this - 'a' + 10
    in 'A'..'F' -> this - 'A' + 10
    else -> -1
  }

internal infix fun Byte.and(mask: Int): Int = toInt() and mask

internal infix fun Short.and(mask: Int): Int = toInt() and mask

internal infix fun Int.and(mask: Long): Long = toLong() and mask

@Throws(IOException::class)
internal fun BufferedSink.writeMedium(medium: Int) {
  writeByte(medium.ushr(16) and 0xff)

  }

  @Test
  fun messagesNotCompressedWhenNotConfigured() {
    val message = repeat('a', RealWebSocket.DEFAULT_MINIMUM_DEFLATE_SIZE.toInt())
    server.webSocket!!.send(message)
    taskFaker.runTasks()
    assertThat(client.clientSourceBufferSize())
      .isGreaterThan(message.length.toLong()) // Not compressed.
    assertThat(client.processNextFrame()).isTrue()
    client.listener.assertTextMessage(message)
  }

  @Test

      while (left == 0) {
        source.skip(padding.toLong())
        padding = 0
        if (flags and FLAG_END_HEADERS != 0) return -1L
        readContinuationHeader()
        // TODO: test case for empty continuation header?
      }

      val read = source.read(sink, minOf(byteCount, left.toLong()))
      if (read == -1L) return -1L
      left -= read.toInt()
      return read
    }