// 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 If no return type is specified, the return type of the setter is
/// dynamic.
/// @description Checks that return type is indeed dynamic by calling arbitrary
/// method on the result of a setter and expecting no warnings.
/// @author iefremov

import '../../../Utils/expect.dart';
class C {
  set foo(var x) {}
}

f(x) => ((new C()).foo = x).asdf();

main() {
  Expect.throws(() {f(null);});
}
