}

  @Test fun onlyOneLiteralHeadersFrame() {
    val sentHeaders = headerEntries("name", "value")
    val headerBytes = literalHeaders(sentHeaders)
    writeMedium(frame, headerBytes.size.toInt())
    frame.writeByte(Http2.TYPE_HEADERS)
    frame.writeByte(FLAG_END_HEADERS or FLAG_END_STREAM)
    frame.writeInt(expectedStreamId and 0x7fffffff)
    frame.writeAll(headerBytes)

      val code = CODES[symbol]
      val codeBitCount = CODE_BIT_COUNTS[symbol].toInt()

      accumulator = (accumulator shl codeBitCount) or code.toLong()
      accumulatorBitCount += codeBitCount

      while (accumulatorBitCount >= 8) {
        accumulatorBitCount -= 8
        sink.writeByte((accumulator shr accumulatorBitCount).toInt())
      }
    }

    if (accumulatorBitCount > 0) {

      val byte0 = tagClass or constructedBit or tag.toInt()
      sink.writeByte(byte0)
    } else {
      val byte0 = tagClass or constructedBit or 0b0001_1111
      sink.writeByte(byte0)
      writeVariableLengthLong(tag)
    }

    // Write the length. This takes 1 byte if length is less than 128.
    val length = content.size
    if (length < 128) {
      sink.writeByte(length.toInt())
    } else {

  override fun hashCode(): Int {
    var result = 0
    result = 31 * result + tagClass
    result = 31 * result + tag.toInt()
    result = 31 * result + (if (constructed) 0 else 1)
    result = 31 * result + length.toInt()
    result = 31 * result + bytes.hashCode()
    return result
  }

  override fun hashCode(): Int {
    var result = 0
    result = 31 * result + tagClass
    result = 31 * result + tag.toInt()
    result = 31 * result + (if (constructed) 0 else 1)
    result = 31 * result + length.toInt()
    return result
  }

  override fun toString(): String = "$tagClass/$tag"

  companion object {
    const val TAG_CLASS_UNIVERSAL = 0b0000_0000

  val notAfter: Long,
) {
  // Avoid Long.hashCode(long) which isn't available on Android 5.
  override fun hashCode(): Int {
    var result = 0
    result = 31 * result + notBefore.toInt()
    result = 31 * result + notAfter.toInt()
    return result
  }
}

internal data class SubjectPublicKeyInfo(
  val algorithm: AlgorithmIdentifier,
  val subjectPublicKey: BitString,
)

    if (byteCount == limit) return END_OF_DATA

    // We've exhausted the source stream.
    if (limit == -1L && source.exhausted()) return END_OF_DATA

    // 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) {

  ) {
    withLock {
      if (closed) throw IOException("closed")
      hpackWriter.writeHeaders(requestHeaders)

      val byteCount = hpackBuffer.size
      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,
      )

  public void testToInt() {
    assertThat(UnsignedBytes.toInt((byte) 0)).isEqualTo(0);
    assertThat(UnsignedBytes.toInt((byte) 1)).isEqualTo(1);
    assertThat(UnsignedBytes.toInt((byte) 127)).isEqualTo(127);
    assertThat(UnsignedBytes.toInt((byte) -128)).isEqualTo(128);
    assertThat(UnsignedBytes.toInt((byte) -127)).isEqualTo(129);
    assertThat(UnsignedBytes.toInt((byte) -1)).isEqualTo(255);
  }

  public void testCheckedCast() {

          mappedTo.writeUtf8CodePoint(readHexadecimalUnsignedLong().toInt())
        }
      }

      TYPE_DISALLOWED, TYPE_DISALLOWED_STD3_VALID, TYPE_IGNORED, TYPE_VALID -> Unit

      else -> throw IOException("unexpected type")
    }

    skipRestOfLine()

    result +=
      Mapping(
        sourceCodePoint0.toInt(),
        sourceCodePoint1.toInt(),
        type,
        mappedTo.readByteString(),