val response =
      MockResponse()
        .clearHeaders()
        .addHeader("Cookie: s=square")
        .addHeader("Cookie: a=android")
        .addHeader("Cookies: delicious")
    response.setHeader("cookie", "r=robot")
    assertThat(headersToList(response))
      .containsExactly("Cookies: delicious", "cookie: r=robot")
  }

  @Test
  fun mockResponseSetHeaders() {
    val response =

    val builder =
      MockResponse.Builder()
        .clearHeaders()
        .addHeader("Cookie: s=square")
        .addHeader("Cookie: a=android")
        .addHeader("Cookies: delicious")
    builder.setHeader("cookie", "r=robot")
    assertThat(headersToList(builder)).containsExactly("Cookies: delicious", "cookie: r=robot")
  }

  @Test
  fun mockResponseSetHeaders() {
    val builder =
      MockResponse.Builder()

    sink: BufferedSink,
    request: RecordedRequest,
    response: MockResponse,
  ) {
    val key = request.headers["Sec-WebSocket-Key"]
    val webSocketResponse =
      response.newBuilder()
        .setHeader("Sec-WebSocket-Accept", WebSocketProtocol.acceptHeader(key!!))
        .build()
    writeHttpResponse(socket, sink, webSocketResponse)

    // Adapt the request and response into our Request and Response domain model.

    mockResponse = mockResponse.addHeader("")
    mockResponse = mockResponse.addHeader("", "")
    mockResponse = mockResponse.addHeaderLenient("", Any())
    mockResponse = mockResponse.setHeader("", Any())
    mockResponse.headers = headersOf()
    mockResponse.trailers = headersOf()
    mockResponse = mockResponse.removeHeader("")
    var body: Buffer? = mockResponse.getBody()

    assertThat(recordedEvents).doesNotContain("DnsEnd")
  }

  @Test
  fun multipleDnsLookupsForSingleCall() {
    server.enqueue(
      MockResponse.Builder()
        .code(301)
        .setHeader("Location", "http://www.fakeurl:" + server.port)
        .build(),
    )
    server.enqueue(MockResponse())
    val dns = FakeDns()
    dns["fakeurl"] = client.dns.lookup(server.hostName)

      // because of the retry. We just want to ensure the initial 408 isn't cached.
      expectedResponseCode = 200
      server.enqueue(
        MockResponse.Builder()
          .setHeader("Cache-Control", "no-store")
          .body("FGHIJ")
          .build(),
      )
    }
    server.start()
    val request =
      Request.Builder()
        .url(server.url("/"))
        .build()

  fun head(
    protocol: Protocol,
    mockWebServer: MockWebServer,
  ) {
    setUp(protocol, mockWebServer)
    val mockResponse =
      MockResponse.Builder()
        .setHeader("Content-Length", 5)
        .status("HTTP/1.1 200")
        .build()
    server.enqueue(mockResponse)
    val call =
      client.newCall(
        Request.Builder()
          .head()

  }

  @Test
  fun contentDisagreesWithContentLengthHeaderBodyTooShort() {
    server.enqueue(
      MockResponse.Builder()
        .body("abc")
        .setHeader("Content-Length", "5")
        .socketPolicy(DisconnectAtEnd)
        .build(),
    )
    assertFailsWith<ProtocolException> {
      val response = getResponse(newRequest("/"))

   * https://github.com/square/okhttp/issues/5727
   */
  @Test
  fun proxyUpgradeFailsWithTruncatedResponse() {
    server.enqueue(
      MockResponse.Builder()
        .body("abc")
        .setHeader("Content-Length", "5")
        .socketPolicy(DisconnectAtEnd)
        .build(),
    )
    val hostnameVerifier = RecordingHostnameVerifier()
    client =
      client.newBuilder()