LibTest/io/IOSink/writeCharCode_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.

// @dart = 2.9

/// @assertion void writeCharCode(int charCode)
/// Writes the character of [charCode].
/// This method is equivalent to [write(new String.fromCharCode(charCode))].
/// @description Checks that correct char code is written for maximum possible
/// value in range (1114111).
/// @author iarkh@unipro.ru

import "../../../Utils/expect.dart";
import "dart:async";
import "dart:io";

int called = 0;

class MyStreamConsumer extends StreamConsumer<List<int>> {
  Future addStream(Stream<List<int>> stream) {
    stream.toList().then((x) {
      Expect.listEquals(x[0], x[1]);
      called++;
    });
    return new Future(() {});
  }

  Future close() { return new Future(() {}); }
}

test() async {
  StreamConsumer consumer = new MyStreamConsumer();
  IOSink sink = new IOSink(consumer);
  sink.writeCharCode(1114111);
  sink.write(new String.fromCharCode(1114111));
  await sink.close();
  Expect.equals(1, called);
  asyncEnd();
}

main() {
  asyncStart();
  test();
}