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) {
        0b0001_1111 -> readVariableLengthLong()
        else -> tag0.toLong()
      }

    private
    val rootPath = project.layout.projectDirectory.asFile.toPath()

    private
    val platformsFolder = project.layout.projectDirectory.dir("platforms")

    private
    val subprojectsFolder = project.layout.projectDirectory.dir("subprojects")

    private
    val testingFolder = project.layout.projectDirectory.dir("testing")

    private

import okhttp3.TlsVersion
import okio.Buffer

class RecordedRequest {
  val requestLine: String
  val headers: Headers
  val chunkSizes: List<Int>
  val bodySize: Long
  val body: Buffer
  val sequenceNumber: Int
  val failure: IOException?
  val method: String?
  val path: String?
  val handshake: Handshake?
  val requestUrl: HttpUrl?

  @get:JvmName("-deprecated_utf8Body")
  @Deprecated(

            writer: DerWriter,
            value: Long,
          ) {
            val string = formatUtcTime(value)
            return writer.writeUtf8(string)
          }
        },
    )

  internal fun parseUtcTime(string: String): Long {
    val utc = TimeZone.getTimeZone("GMT")
    val dateFormat =
      SimpleDateFormat("yyMMddHHmmss'Z'").apply {
        timeZone = utc

    finishedAsyncCall: AsyncCall? = null,
  ) {
    assertLockNotHeld()
    val executorIsShutdown = executorService.isShutdown

    // Actions to take outside the synchronized block.
    class Effects(
      val callsToExecute: List<AsyncCall>,
      val idleCallbackToRun: Runnable?,
    )

    val effects =
      synchronized(this) {
        if (finishedCall != null) {

  /** The request to send on the network, or null if this call doesn't use the network. */
  val networkRequest: Request?,
  /** The cached response to return or validate; or null if this call doesn't use a cache. */
  val cacheResponse: Response?,
) {
  class Factory(
    private val nowMillis: Long,
    internal val request: Request,
    private val cacheResponse: Response?,
  ) {

   * }
   * ```
   *
   * The first property of the pair is the adapter that was used, the second property is the value.
   */
  internal val generalNameDnsName = Adapters.IA5_STRING.withTag(tag = 2L)
  internal val generalNameIpAddress = Adapters.OCTET_STRING.withTag(tag = 7L)
  internal val generalName: DerAdapter<Pair<DerAdapter<*>, Any?>> =
    Adapters.choice(
      generalNameDnsName,
      generalNameIpAddress,

class FastFallbackTest {
  @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()

  // Don't use JUnit 5 test rules for these; otherwise we can't bind them to a single local IP.
  private lateinit var localhostIpv4: InetAddress
  private lateinit var localhostIpv6: InetAddress
  private lateinit var serverIpv4: MockWebServer
  private lateinit var serverIpv6: MockWebServer

  private val eventRecorder = EventRecorder()

 * [UTS #46]: https://www.unicode.org/reports/tr46/
 */
object Punycode {
  val PREFIX_STRING = "xn--"
  val PREFIX = PREFIX_STRING.encodeUtf8()

  private const val BASE = 36
  private const val TMIN = 1
  private const val TMAX = 26
  private const val SKEW = 38
  private const val DAMP = 700
  private const val INITIAL_BIAS = 72
  private const val INITIAL_N = 0x80

  /**

  @Test fun comparePlainAndCompactTables() {
    val buffer = Buffer()
    for (codePoint in 0..0x10ffff) {
      val allowedByTable = table.map(codePoint, buffer)
      val tableMappedTo = buffer.readUtf8()

      val allowedByCompactTable = compactTable.map(codePoint, buffer)
      val compactTableMappedTo = buffer.readUtf8()