if (webSocket == null) return;

    WebSocket webSocket;
    synchronized (this) {
      webSocket = this.webSocket;
    }

    if (webSocket != null) {
      webSocket.close(1000, "bye");
    }
  }

    assertThat(client.webSocket!!.close(1000, "Bye!")).isTrue()
    client.webSocket!!.finishReader()
    taskFaker.runTasks()
    client.listener.assertClosed(1000, "Hello!")
    server.processNextFrame()
    server.listener.assertClosing(1000, "Bye!")
    server.webSocket!!.finishReader()
    server.listener.assertClosed(1000, "Bye!")
  }

  @Test
  fun emptyCloseInitiatesShutdown() {

          webSocket: WebSocket,
          code: Int,
          reason: String,
        ) {
          webSocket.close(1000, null)
        }
      },
    )
    server.close(1001, "bye")
    clientListener.assertClosed(1001, "bye")
    clientListener.assertExhausted()
    serverListener.assertClosing(1000, "")
    serverListener.assertClosed(1000, "")
    serverListener.assertExhausted()
  }

  @Test