// Copyright (c) 2019, 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 static warning 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 m2 (2 vs 3) and neither have any 
/// required parameters. Test type aliases
/// @author sgrekhov@unipro.ru

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

typedef AAlias = A;

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

main() {
  new A().f(1, 2, 3);
  new C().f(1, 2);
}