LibTest/isolate/ReceivePort/map_A01_t01.dart

// Copyright (c) 2011, 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 Stream map(convert(T event))
 * Creates a new stream that converts each element of this stream to a new value
 * using the convert function.
 * @description Checks that each element of this stream is processed.
 * @author kaigorodov
 */
import "dart:async";
import "../../../Utils/expect.dart";
import "IsolateStream.dart" as IsolateStream;

void check(List data) {
  Stream s1 = IsolateStream.fromIterable(data);
  List sink = [];
  asyncStart();
  Stream s2 = s1.map((var event) => event);
  s2.listen((var event) {
    sink.add(event);
  }, onDone: () {
    Expect.listEquals(data, sink);
    asyncEnd();
  });
}

main() {
  check([]);
  check([1, 2, 3, 4]);
  check([null, "2", -3, 4.0, []]);
}