LibTest/io/WebSocket/addUtf8Text_A01_t03.dart

// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// @assertion void addUtf8Text(List<int> bytes)
///    Sends a text message with the text represented by bytes.
///    The bytes should be valid UTF-8 encoded Unicode characters.
/// If they are not, the receiving end will close the connection.
/// @description Checks that the UTF-8 encoded string is sent on the WebSocket
/// connection in complex scenario.
/// @author a.semenov@unipro.ru
/// @issue #31051

import "dart:io";
import "dart:convert";
import "../../../Utils/expect.dart";
import "../http_utils.dart";

const Utf8Codec utf8 = const Utf8Codec();

main() {
  asyncTest<HttpServer>((HttpServer? server) async {
    WebSocket ws = await WebSocket.connect(
        "ws://${server?.address.address}:${server?.port}/");
    await AsyncExpect.data(["Hello", "client"], ws.take(2));
    ws.addUtf8Text(utf8.encode("Hi"));
    ws.addUtf8Text(utf8.encode("server"));
    await ws.close();
  },
      setup: () => spawnWebSocketServer((WebSocket ws) async {
            ws.addUtf8Text(utf8.encode("Hello"));
            ws.addUtf8Text(utf8.encode("client"));
            await AsyncExpect.data(["Hi", "server"], ws);
            await ws.close();
          }),
      cleanup: (HttpServer? server) => server?.close());
}