/*
 * 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 Unless explicitly stated otherwise, all ordinary rules that apply to methods
 * apply to abstract methods.
 * 7.1: It is a static-warning if an instance method m1 overrides (7.9.1) an
 * instance member m2 and m1 has a greater number of required parameters than m2.
 * @description Checks that a static warning is produced when an abstract method overrides
 * another abstract method with the same name and a different number of required parameters.
 * @static-warning
 * @author rodionov
 * @reviewer iefremov
 * @reviewer kaigorodov
 */
import "../../Utils/expect.dart";

abstract class A {
  f(var x);
}

abstract class C extends A {
  f(var x, var y); /// static warning
}

class D extends C {
  f(var x, var y){}
}

main() {
  Expect.throws(() => new D().f(2));  /// static type warning missing argument
  
  new D().f(2, 2);
}