LibTest/io/WebSocket/closeReason_A01_t02.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 String closeReason
 * The close reason set when the WebSocket connection is closed. If there is no
 * close reason available this property will be null
 * @description Checks that the [closeReason] is null when connection is not
 * closed and is set to a specified string value if the WebSocket connection is
 * closed.
 * @author ngl@unipro.ru
 */
import "dart:io";
import "../../../Utils/expect.dart";

main() {
  HttpServer.bind("127.0.0.1", 0).then((server) {
    server.listen((request) {
      WebSocketTransformer
          .upgrade(request)
          .then((websocket) {
        websocket.close(WebSocketStatus.normalClosure, "closed");
      });
    });

    var webs = WebSocket.connect("ws://127.0.0.1:${server.port}/");
    webs.then((client) async {
      Expect.isNull(client.closeReason);
      await server.close();
      client.close().then((_) {
        Expect.equals("closed", client.closeReason);
      });
    });
  });
}