fun decodeRsa512() {
    // The certificate + private key below was generated with OpenSSL. Never generate certificates
    // with MD5 or 512-bit RSA; that's insecure!
    //
    // openssl req \
    //   -x509 \
    //   -md5 \
    //   -nodes \
    //   -days 1 \
    //   -newkey rsa:512 \
    //   -keyout privateKey.key \
    //   -out certificate.crt
    val certificatePem =
      """

    doUpload(TransferKind.FIXED_LENGTH, WriteKind.LARGE_BUFFERS)
  }

  private fun doUpload(
    uploadKind: TransferKind,
    writeKind: WriteKind,
  ) {
    val n = 512 * 1024
    server.bodyLimit = 0
    server.enqueue(MockResponse())
    val requestBody: RequestBody =
      object : RequestBody() {
        override fun contentType(): MediaType? {
          return null

          Thread.sleep(100)
        }
      } catch (e: IOException) {
        break
      }
      i++
    }
    // Halfway +/- 0.5%
    assertThat(i.toFloat()).isCloseTo(512f, 5f)
  }

  @Test
  fun disconnectResponseHalfway() {
    server.enqueue(
      MockResponse()
        .setBody("ab")
        .setSocketPolicy(SocketPolicy.DISCONNECT_DURING_RESPONSE_BODY),
    )

    // [x509_extensions]
    // subjectAltName=DNS:localhost.localdomain,DNS:localhost,IP:127.0.0.1
    //
    // $ openssl req -x509 -nodes -days 36500 -subj '/CN=localhost' -config ./cert.cnf \
    //     -newkey rsa:512 -out cert.pem
    val certificate =
      certificate(
        """
        -----BEGIN CERTIFICATE-----
        MIIBWDCCAQKgAwIBAgIJANS1EtICX2AZMA0GCSqGSIb3DQEBBQUAMBQxEjAQBgNV

          Thread.sleep(100)
        }
      } catch (e: IOException) {
        break
      }
      i++
    }
    // Halfway +/- 0.5%
    assertThat(i.toFloat()).isCloseTo(512f, 5f)
  }

  @Test
  fun disconnectResponseHalfway() {
    server.enqueue(
      MockResponse.Builder()
        .body("ab")
        .socketPolicy(DisconnectDuringResponseBody)
        .build(),

  }

  /** Create a sufficiently large header set to overflow INITIAL_MAX_FRAME_SIZE bytes.  */
  private fun largeHeaders(): List<Header> {
    val nameValues = arrayOfNulls<String>(32)
    val chars = CharArray(512)
    var i = 0
    while (i < nameValues.size) {
      Arrays.fill(chars, i.toChar())
      val string = String(chars)
      nameValues[i++] = string
      nameValues[i++] = string
    }

329B          ; mapped                 ; 5973          # 1.1  CIRCLED IDEOGRAPH FEMALE
329C          ; mapped                 ; 9069          # 1.1  CIRCLED IDEOGRAPH SUITABLE
329D          ; mapped                 ; 512A          # 1.1  CIRCLED IDEOGRAPH EXCELLENT
329E          ; mapped                 ; 5370          # 1.1  CIRCLED IDEOGRAPH PRINT
329F          ; mapped                 ; 6CE8          # 1.1  CIRCLED IDEOGRAPH ATTENTION