)
    server.listener.assertClosing(1000, "Hello")
    server.listener.assertExhausted() // Client should not have sent second close.
  }

  @Test
  fun protocolErrorAfterCloseDoesNotSendClose() {
    client.webSocket!!.close(1000, "Hello!")
    server.processNextFrame()

    // Not closed until close reply is received.
    assertThat(client.closed).isFalse()