Headers.Builder()
        .addUnsafeNonAscii("héader1", "value1")
        .build()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected char 0xe9 at 1 in header name: héader1")
    }
  }

  @Test fun addUnsafeNonAsciiAcceptsUnicodeValue() {
    val headers =
      Headers.Builder()
        .addUnsafeNonAscii("header1", "valué1")
        .build()

    var requestLine: String = recordedRequest.requestLine
    var method: String? = recordedRequest.method
    var path: String? = recordedRequest.path
    var headers: Headers = recordedRequest.headers
    val header: String? = recordedRequest.getHeader("")
    var chunkSizes: List<Int> = recordedRequest.chunkSizes
    var bodySize: Long = recordedRequest.bodySize
    var body: Buffer = recordedRequest.body

   *     CLEAN 1ab96a171faeeee38496d8b330771a7a 1600 234
   *     READ 335c4c6028171cfddfbaae1a9c313c52
   *     READ 3400330d1dfc7f3f7f4b8d4d803dfcf6
   *
   * The first five lines of the journal form its header. They are the constant string
   * "libcore.io.DiskLruCache", the disk cache's version, the application's version, the value
   * count, and a blank line.
   *

    eventListener.responseHeadersEnd(call, response)
  }

  @Throws(IOException::class)
  fun openResponseBody(response: Response): ResponseBody {
    try {
      val contentType = response.header("Content-Type")
      val contentLength = codec.reportedContentLength(response)
      val rawSource = codec.openResponseBodySource(response)
      val source = ResponseBodySource(rawSource, contentLength)

        .add100Continue()
        .streamHandler(body)
        .build(),
    )
    val call =
      client.newCall(
        Request.Builder()
          .url(server.url("/"))
          .header("Expect", "100-continue")
          .post(AsyncRequestBody())
          .build(),
      )
    call.execute().use { response ->
      val requestBody = (call.request().body as AsyncRequestBody?)!!.takeSink()

    )
  }

  @Test fun pushPromise() {
    val expectedPromisedStreamId = 11
    val pushPromise =
      listOf(
        Header(Header.TARGET_METHOD, "GET"),
        Header(Header.TARGET_SCHEME, "https"),
        Header(Header.TARGET_AUTHORITY, "squareup.com"),
        Header(Header.TARGET_PATH, "/"),
      )

    // Write the push promise frame, specifying the associated stream ID.

    object : DerAdapter<Long> {
      override fun matches(header: DerHeader): Boolean {
        return Adapters.UTC_TIME.matches(header) || Adapters.GENERALIZED_TIME.matches(header)
      }

      override fun fromDer(reader: DerReader): Long {
        val peekHeader =
          reader.peekHeader()
            ?: throw ProtocolException("expected time but was exhausted at $reader")

        return when {

   *
   * Otherwise if the response has a `Content-Type` header that specifies a charset, that is used
   * to determine the charset of the response bytes.
   *
   * Otherwise the response bytes are decoded as UTF-8.
   */
  fun charStream(): Reader =
    reader ?: BomAwareReader(source(), charset()).also {
      reader = it
    }

  /**
   * Returns the response as a string.
   *

      // Read the header.
      val header = Buffer()
      fileOperator.read(0, header, FILE_HEADER_SIZE)
      val prefix = header.readByteString(PREFIX_CLEAN.size.toLong())
      if (prefix != PREFIX_CLEAN) throw IOException("unreadable cache file")
      val upstreamSize = header.readLong()
      val metadataSize = header.readLong()

      // Read the metadata.

    headers: Headers,
    inFinished: Boolean,
  ) {
    lock.assertNotHeld()

    val open: Boolean
    this.withLock {
      if (!hasResponseHeaders ||
        headers[Header.RESPONSE_STATUS_UTF8] != null ||
        headers[Header.TARGET_METHOD_UTF8] != null
      ) {
        hasResponseHeaders = true
        headersQueue += headers
      } else {
        this.source.trailers = headers
      }