// 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 The result of a lookup of a getter (respectively setter) m in
/// class C with respect to library L is: If C declares a concrete instance
/// getter (respectively setter) named m that is accessible to L, then that
/// getter (respectively setter) is the result of the lookup. Otherwise, if C
/// has a superclass S, then the result of the lookup is the result of looking
/// up getter (respectively setter) m in S with respect to L. Otherwise, we say
/// that the lookup has failed.
/// @description Checks that inherited abstract getters and setters are skipped
/// in a lookup.
/// @author ilya, sgrekhov@unipro.ru

import '../../../../Utils/expect.dart';

class S {
  var _val = -1;
  get field => _val;
  set field(x) {
    _val = x;
  }
}

class S1 extends S {
  get field;
  set field (x);
}

class C extends S1 {
}

main()  {
  var x = new C();

  try {
    Expect.equals(-1, x.field);
  } catch (e) {
    Expect.fail('Concrete getter from superclass is not called');
  }

  try {
    x.field = 1;
    Expect.equals(1, x.field);
  } catch (e) {
    Expect.fail('Concrete setter from superclass is not called');
  }
}
