private var writerClosed = false

  /** Lazily initialized on first use. */
  private var messageDeflater: MessageDeflater? = null

  // Masks are only a concern for client writers.
  private val maskKey: ByteArray? = if (isClient) ByteArray(4) else null
  private val maskCursor: Buffer.UnsafeCursor? = if (isClient) Buffer.UnsafeCursor() else null

  /** Send a ping with the supplied [payload]. */
  @Throws(IOException::class)

        .body(
          Buffer()
            .write(ByteArray(responseBodySize)),
        )
        .throttleBody(64 * 1024, 125, MILLISECONDS) // 500 Kbps
        .build(),
    )
    val call = client.newCall(Request(server.url("/")))
    val response = call.execute()
    cancelLater(call, 500)
    val responseBody = response.body.byteStream()
    val buffer = ByteArray(1024)
    assertFailsWith<IOException> {

      val ttl = buf.readInt().toLong() and 0xffffffffL // ttl
      val length = buf.readShort().toInt() and 0xffff

      if (type == TYPE_A || type == TYPE_AAAA) {
        val bytes = ByteArray(length)
        buf.read(bytes)
        result.add(InetAddress.getByAddress(bytes))
      } else {
        buf.skip(length.toLong())
      }
    }

    return result
  }

    }

    @Override
    public Hasher putBytes(ByteBuffer bytes) {
      stream.write(bytes);
      return this;
    }

    @Override
    public HashCode hash() {
      return hashBytes(stream.byteArray(), 0, stream.length());
    }
  }

  // Just to access the byte[] without introducing an unnecessary copy
  private static final class ExposedByteArrayOutputStream extends ByteArrayOutputStream {

    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(dataLength)), dataLength)
    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(dataLength)), dataLength)
    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(dataLength)), dataLength)
    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(dataLength)), dataLength)
    peer.sendFrame().data(false, 3, Buffer().write(ByteArray(1)), 1)

  }

  @Test
  fun canonicalizeInetAddressIPv6RepresentationOfCompatibleIPV4() {
    val addressAIpv6 = decodeIpv6("::192.168.0.1")!!
    assertThat(canonicalizeInetAddress(addressAIpv6)).isEqualTo(
      ByteArray(12) +
        byteArrayOf(
          192.toByte(),
          168.toByte(),
          0,
          1,
        ),
    )
  }

  @Test
  fun canonicalizeInetAddressIPv6RepresentationOfMappedIPV4() {

  private val getAlpnSelectedProtocol = sslSocketClass.getMethod("getAlpnSelectedProtocol")
  private val setAlpnProtocols =
    sslSocketClass.getMethod("setAlpnProtocols", ByteArray::class.java)

  override fun isSupported(): Boolean = AndroidPlatform.isSupported

  override fun matchesSocket(sslSocket: SSLSocket): Boolean = sslSocketClass.isInstance(sslSocket)

    throw IOException("Content-Length ($contentLength) and stream length ($size) disagree")
  }
  return bytes
}

internal fun ResponseBody.commonClose() = source().closeQuietly()

internal fun ByteArray.commonToResponseBody(contentType: MediaType?): ResponseBody {
  return Buffer()
    .write(this)
    .asResponseBody(contentType, size.toLong())
}

    assertThat(callFailed.ioe).isNotNull()
    assertThat(request.ioe).isNotNull()
  }

  private inner class NonCompletingRequestBody : RequestBody() {
    private val chunk: ByteArray? = ByteArray(1024 * 1024)
    var ioe: IOException? = null

    override fun contentType(): MediaType? {
      return "text/plain".toMediaType()
    }

    override fun contentLength(): Long {

 */
@file:Suppress("ktlint:standard:filename")

package okhttp3.internal

import okhttp3.MediaType
import okhttp3.RequestBody
import okio.BufferedSink
import okio.ByteString

fun ByteArray.commonToRequestBody(
  contentType: MediaType?,
  offset: Int,
  byteCount: Int,
): RequestBody {
  checkOffsetAndCount(size.toLong(), offset.toLong(), byteCount.toLong())
  return object : RequestBody() {