// 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")
  }

  /**

        .build(),
    )
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    call.enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
        }

        override fun onResponse(
          call: Call,
          response: Response,

    // 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(),
    )

    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")

    }
    return result
  }

  /**
   * Remove this call from the connection's list of allocations. Returns a socket that the caller
   * should close.
   */
  internal fun releaseConnectionNoEvents(): Socket? {
    val connection = this.connection!!
    connection.assertLockHeld()

    val calls = connection.calls
    val index = calls.indexOfFirst { it.get() == this@RealCall }
    check(index != -1)

 * Tasks execute with the same happens-before order that the function calls to {@link #submit} and
 * {@link #submitAsync} that submitted those tasks had.
 *
 * <p>This class has limited support for cancellation and other "early completions":
 *
 * <ul>
 *   <li>While calls to {@code submit} and {@code submitAsync} return a {@code Future} that can be