/*
 * 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 an error to call a method, setter, getter or operator on
 * an expression whose type is potentially nullable and not dynamic, except for
 * the methods, setters, getters, and operators on Object.
 *
 * @description Check that it is a compile-time error to call a method, setter,
 * getter or operator on an expression whose type is potentially nullable. Test
 * type alias for class A?
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable,nonfunction-type-aliases
// Requirements=nnbd-strong

class A {
  String m = "";
  void foo() {}
  int get g => 1;
  void set s(int i) {}
  A operator+(A other) => other;
}

typedef AAlias = A?;

main() {
  AAlias a = new A();
  a.m;
// ^^
// [analyzer] unspecified
// [cfe] unspecified

  a.foo();
// ^^^^
// [analyzer] unspecified
// [cfe] unspecified

  a.g;
// ^^
// [analyzer] unspecified
// [cfe] unspecified

  a.s = 2;
// ^^
// [analyzer] unspecified
// [cfe] unspecified

  a + a;
//  ^
// [analyzer] unspecified
// [cfe] unspecified
}