/*
 * 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 It is a compile-time error if a setter's formal parameter list 
 * does not consist of exactly one required formal parameter p.
 * @description Checks that a compile-time error is produced if a setter's formal parameter list
 * contains a single optional parameter with a default value.
 * @compile-error
 * @author iefremov
 * @reviewer pagolubev
 * @reviewer rodionov
 */

class C {
  void set setter([var x = null]) { }
}

main() {
  try {
    (new C()).setter = null;
  } catch (e) {}
}