server.webSocket!!.finishReader()
    client.listener.assertClosed(1000, "Hello!")
    server.listener.assertClosed(1000, "Hello!")
  }

  @Test
  @Throws(Exception::class)
  fun clientAndServerCloseClosesConnection() {
    // Send close from both sides at the same time.
    server.webSocket!!.close(1000, "Hello!")
    client.processNextFrame() // Read close, close connection close.
    assertThat(client.closed).isFalse()