} else {
            responseCallback.onFailure(this@RealCall, e)
          }
        } catch (t: Throwable) {
          cancel()
          if (!signalledCallback) {
            val canceledException = IOException("canceled due to $t")
            canceledException.initCause(t)
            responseCallback.onFailure(this@RealCall, canceledException)
          }

    clientListener.setNextEventDelegate(
      object : WebSocketListener() {
        override fun onFailure(
          webSocket: WebSocket,
          t: Throwable,
          response: Response?,
        ): Unit = throw e
      },
    )
    newWebSocket()
    assertThat(testLogHandler.take()).isEqualTo("INFO: [WS client] onFailure")
  }

  @Test
  fun throwingOnMessageClosesImmediatelyAndFails() {

      }

      @Override
      public void onClosed(@NotNull EventSource eventSource) {
        future.completeExceptionally(new IllegalStateException("closed"));
      }

      @Override
      public void onFailure(@NotNull EventSource eventSource, @Nullable Throwable t, @Nullable Response response) {
        future.completeExceptionally(t == null ? new NullPointerException() : t);
      }
    });
    future.get();
  }

    val url = "https://github.com/square/okhttp".toHttpUrl()
    println(url.topPrivateDomain())

    client.newCall(Request(url)).enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          println("failed: $e")
        }

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

   *
   * <p>If the future's {@link Future#get() get} method throws an {@link ExecutionException}, then
   * the cause is passed to this method. Any other thrown object is passed unaltered.
   */
  void onFailure(Throwable t);

/**
 * Records received HTTP responses so they can be later retrieved by tests.
 */
class RecordingCallback : Callback {
  private val responses = mutableListOf<RecordedResponse>()

  @Synchronized
  override fun onFailure(
    call: Call,
    e: IOException,
  ) {
    responses.add(RecordedResponse(call.request(), null, null, null, e))
    (this as Object).notifyAll()
  }

  @Synchronized
  override fun onResponse(

                    @Override
                    public void onSuccess(V value) {
                      resolve.onInvoke(value);
                    }

                    @Override
                    public void onFailure(Throwable throwable) {
                      reject.onInvoke(throwable.getBackingJsObject());
                    }
                  },
                  MoreExecutors.directExecutor());
            })

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

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

    f.addCallback(
        new FutureCallback<String>() {
          @Override
          public void onSuccess(String result) {
            called[0] = true;
          }

          @Override
          public void onFailure(Throwable t) {}
        },
        directExecutor());
    assertThat(called[0]).isTrue();
  }

  // Avoid trouble with automatic mapping between JRE and Kotlin runtime classes.

              return
            }

          // Apply the extensions. If they're unacceptable initiate a graceful shut down.
          // TODO(jwilson): Listeners should get onFailure() instead of onClosing() + onClosed(1010).
          val extensions = WebSocketExtensions.parse(response.headers)
          ******@****.***ions = extensions
          if (!extensions.isValid()) {