// The first call times out.
    val call1 = client.newCall(Request(server.url("/")))
    assertFailsWith<SocketTimeoutException> {
      call1.execute().use { response ->
        response.body.string()
      }
    }

    // The second call succeeds.
    val call2 = client.newCall(Request(server.url("/")))
    call2.execute().use { response ->
      assertThat(

    var shouldClose: Boolean = false
    var lastSocket: Socket? = null

    override fun connectionAcquired(
      call: Call,
      connection: Connection,
    ) {
      lastSocket = connection.socket()
    }

    override fun requestHeadersStart(call: Call) {
      if (shouldClose) {
        lastSocket!!.close()
      }
    }
  }

  @Test
  fun socketFailureOnLargeRequestHeaders() {

    server.enqueue(
      MockResponse
        .Builder()
        .body("abc")
        .build(),
    )
    val call1 =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    val response1 = call1.execute()
    assertThat(response1.body.string()).isEqualTo("abc")
  }

  /**

    // makeSimpleCall() because it uses the MockResponse enqueued above.
    val callB = client.newCall(Request(server.url("/")))
    callB.execute().use { response ->
      assertThat(response.body.string()).isEqualTo("abc")
    }
  }

  private fun makeSimpleCall() {
    server.enqueue(MockResponse(body = "healthy"))
    val callB = client.newCall(Request(server.url("/")))

        .build(),
    )
    var call =
      client.newCallWithListener(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    var response = call.execute()
    assertThat(response.code).isEqualTo(200)
    response.close()
    eventRecorder.clearAllEvents()
    call = call.cloneWithListener()
    response = call.execute()

        .build(),
    )

    val call1 = client.newCall(Request(server.url("/")))
    call1.execute().use { response ->
      val source = response.body.source()
      assertThat(response.header("h1")).isEqualTo("v1")
      assertThat(source.readUtf8()).isEqualTo("Hello")
      assertThat(response.trailers()).isEqualTo(headersOf("t1", "v2"))
    }

    val call2 = client.newCall(Request(server.url("/")))

        .build()
    val request = Request.Builder().url(sanUrl).build()
    val call1 = client1.newCall(request)
    call1.enqueue(
      object : Callback {
        @Throws(IOException::class)
        override fun onResponse(
          call: Call,
          response: Response,
        ) {
          try {

    val call = calls[0]
    assertThat(call).contains("host=" + url.host)
    assertThat(call).contains("port=" + url.port)
    assertThat(call).contains("site=" + url.host)
    assertThat(call).contains("url=http://android.com")
    assertThat(call).contains("type=" + java.net.Authenticator.RequestorType.PROXY)
    assertThat(call).contains("prompt=Bar")
    assertThat(call).contains("protocol=http")

Calls are executed in one of two ways:

 * **Synchronous:** your thread blocks until the response is readable.
 * **Asynchronous:** you enqueue the request on any thread, and get [called back](https://square.github.io/okhttp/5.x/okhttp/okhttp3/-callback/) on another thread when the response is readable.

    computeIfAbsent: () -> T,
  ): T

  /**
   * Create a new, identical call to this one which can be enqueued or executed even if this call
   * has already been.
   *
   * The tags on the returned call will equal the tags as on [request]. Any tags that were computed
   * for this call will not be included on the cloned call. If necessary you may manually copy over
   * specific tags by re-computing them:
   *