Language/Statements/For/syntax_t18.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 The for statement supports iteration.
/// forStatement:
///   await? for '(' forLoopParts ')' statement
/// ;
/// forLoopParts:
///   forInitializerStatement expression? ';' expressionList? |
///   declaredIdentifier in expression |
///   identifier in expression
/// ;
/// forInitializerStatement:
///   initializedVariableDeclaration |
///   expression? ';'
/// ;
/// @description Checks that several valid variations of the asynchronous for-in
/// statement do not cause any errors.
/// @author a.semenov@unipro.ru

import 'dart:async';
import '../../../Utils/expect.dart';

test() async {
  int i = 0;
  await for (var i in new Stream.fromIterable([1, 2])) {break;}
  await for (int i  in new Stream.fromIterable([1, 2])) break;
  await for (final i in const Stream.empty()) break;
  await for (final String s in new Stream.fromIterable(['a', 'b', 'c'])) {
    break;
  }
  await for (i in new Stream.fromIterable([1, 2, 3, 4, 5])) break;
}

main() {
  asyncStart();
  test().then(
    (value) => asyncEnd()
  );
}