}

  /** Respond to a proxy authorization challenge.  */
  @ParameterizedTest
  @ArgumentsSource(ProtocolParamProvider::class)
  fun proxyAuthenticateOnConnect(protocol: Protocol) {
    setUp(protocol)
    server.enqueue(
      MockResponse
        .Builder()
        .code(407)
        .headers(headersOf("Proxy-Authenticate", "Basic realm=\"localhost\""))

    val get = server.takeRequest()
    assertThat(get.headers["Private"]).isEqualTo("Secret")
    assertThat(hostnameVerifier.calls).isEqualTo(listOf("verify android.com"))
  }

  @Test
  fun proxyAuthenticateOnConnect() {
    java.net.Authenticator.setDefault(RecordingAuthenticator())
    server.useHttps(handshakeCertificates.sslSocketFactory())
    server.enqueue(
      MockResponse
        .Builder()

    }.also { expected ->
      assertThat(expected).hasMessage("unexpected end of stream")
    }
  }

  /** Respond to a proxy authorization challenge.  */
  @Test
  fun proxyAuthenticateOnConnect() {
    server.useHttps(handshakeCertificates.sslSocketFactory())
    server.enqueue(
      MockResponse
        .Builder()
        .code(407)