// 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.
/// It is a compile error if an instance method m1 overrides an instance member
/// m2 and m1 has fewer positional parameters than m2.
/// @description Checks that a compile error is produced if m1 has fewer
/// optional positional parameters than abstract method m2 (2 vs 3) and neither
/// have any required parameters.
/// @author iefremov


abstract class A {
  f([var x, var y, var z]);
}

class C extends A {
  f([var x, var y]) {}
//^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new C().f(1, 2);
}