assertThat(request.body.readUtf8()).isEqualTo("request")
  }

  @Test
  fun testH2PriorKnowledgeServerFallback() {
    try {
      server.protocols = Arrays.asList(Protocol.H2_PRIOR_KNOWLEDGE, Protocol.HTTP_1_1)
      fail<Any>()
    } catch (expected: IllegalArgumentException) {
      assertThat(expected.message).isEqualTo(
        "protocols containing h2_prior_knowledge cannot use other protocols: " +

    enableProtocol(protocol)
    server.enqueue(
      MockResponse(body = "A"),
    )
    client =
      client
        .newBuilder()
        .protocols(Arrays.asList(protocol, Protocol.HTTP_1_1))
        .build()
    val response = getResponse(newRequest("/"))
    assertThat(response.protocol).isEqualTo(protocol)
    assertContent("A", response)
  }

  @Test

    val request = Request.Builder().url(server.url("/").toString()).build()
    val response = client.newCall(request).execute()
    response.use {
      assertEquals(200, response.code)
      assertEquals(Protocol.HTTP_1_1, response.protocol)
    }
  }

  @Test
  fun testCustomTrustManagerWithAndroidCheck() {
    assumeNetwork()

    var withHostCalled = false
    var withoutHostCalled = false

      } catch (e: IOException) {
        failWebSocket(e = e, isWriter = true)
      }
      return -1L
    }
  }

  companion object {
    private val ONLY_HTTP1 = listOf(Protocol.HTTP_1_1)

    /**
     * The maximum number of bytes to enqueue. Rather than enqueueing beyond this limit we tear down
     * the web socket! It's possible that we're writing faster than the peer can read.
     */

   */
  private fun enableProtocol(protocol: Protocol) {
    enableTls()
    client =
      client
        .newBuilder()
        .protocols(listOf(protocol, Protocol.HTTP_1_1))
        .build()
    server.protocols = client.protocols
  }

  private fun enableTls() {
    client =
      client
        .newBuilder()
        .sslSocketFactory(

    assertThat(request.body?.utf8()).isEqualTo("request")
  }

  @Test
  fun testH2PriorKnowledgeServerFallback() {
    try {
      server.protocols = listOf(Protocol.H2_PRIOR_KNOWLEDGE, Protocol.HTTP_1_1)
      fail<Unit>()
    } catch (expected: IllegalArgumentException) {
      assertThat(expected.message).isEqualTo(
        "protocols containing h2_prior_knowledge cannot use other protocols: " +

	public static final field Companion Lokhttp3/Protocol$Companion;
	public static final field H2_PRIOR_KNOWLEDGE Lokhttp3/Protocol;
	public static final field HTTP_1_0 Lokhttp3/Protocol;
	public static final field HTTP_1_1 Lokhttp3/Protocol;
	public static final field HTTP_2 Lokhttp3/Protocol;
	public static final field HTTP_3 Lokhttp3/Protocol;
	public static final field QUIC Lokhttp3/Protocol;

      server.useHttps(handshakeCertificates.sslSocketFactory())
      client =
        clientTestRule
          .newClientBuilder()
          .protocols(listOf(Protocol.HTTP_2, Protocol.HTTP_1_1))
          .sslSocketFactory(
            handshakeCertificates.sslSocketFactory(),
            handshakeCertificates.trustManager,
          ).hostnameVerifier(RecordingHostnameVerifier())
          .build()

	public static final field Companion Lokhttp3/Protocol$Companion;
	public static final field H2_PRIOR_KNOWLEDGE Lokhttp3/Protocol;
	public static final field HTTP_1_0 Lokhttp3/Protocol;
	public static final field HTTP_1_1 Lokhttp3/Protocol;
	public static final field HTTP_2 Lokhttp3/Protocol;
	public static final field HTTP_3 Lokhttp3/Protocol;
	public static final field QUIC Lokhttp3/Protocol;