data.write("810548656c6c6f".decodeHex()) // Hello
    clientReader.processNextFrame()
    callback.assertTextMessage("Hello")
  }

  @Test fun clientWithCompressionSimpleUncompressedHello() {
    data.write("810548656c6c6f".decodeHex()) // Hello
    clientReaderWithCompression.processNextFrame()
    callback.assertTextMessage("Hello")
  }

  @Test fun clientWithCompressionSimpleCompressedHello() {

    clientListener.assertTextMessage(message3)

    // Empty client to server message.
    val message4 = ""
    client.send(message4)
    serverListener.assertTextMessage(message4)

    // Server to client message that shares context with message1.
    val message5 = message1 + message1
    server.send(message5)
    clientListener.assertTextMessage(message5)