// Copyright (c) 2015, 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 It is a compile-time error if the function immediately enclosing
/// a is not declared asynchronous. However, this error is simply a syntax
/// error, because in the context of a normal function, await has no special
/// meaning.
///
/// @description Check that in the context of a normal function, await has no
/// special meaning and can be used as a variable
/// @author sgrekhov@unipro.ru


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

test() {
  int await = 1;
  await++;
  Expect.equals(2, await);
}

main() {
  test();
}
