Language/08_Interfaces/5_Superinterfaces/1_Inheritance_and_Overriding_A01_t02.dart

/*
 * 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 An interface I inherits any members of its superinterfaces that 
 * are not overridden by members declared in I.
 * @description Checks that an interface does not inherit static members of its 
 * superinterfaces.
 * Expects a NoSuchMethodError when trying to access a superinterface's static member
 * via a subinterface, as specified in (Expressions/Getter Invocation)
 * @static-warning
 * @author vasya
 * @reviewer rodionov
 * @issue 13677
 */
import "../../../Utils/expect.dart";

abstract class S {
  static final int foo = 1;
}

abstract class S2 implements S {
  static var bar;
}

abstract class I implements S2 {
}

main() {
  try {
    var x = I.foo; /// static type warning cannot resolve 'foo'
    Expect.fail("NoSuchMethodError expected.");
  } on NoSuchMethodError catch(ok) {}
  try {
    var x = I.bar; /// static type warning cannot resolve 'bar'
    Expect.fail("NoSuchMethodError expected.");
  } on NoSuchMethodError catch(ok) {}
}