// 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 read a field or tear off a method from an
/// expression whose type is potentially nullable and not dynamic, except for the
/// methods and fields on Object.
///
/// @description Check that it is a compile-time error toto read a field or tear
/// off a method from an expression whose type is potentially nullable. Test
/// the case <T extends A?>
/// @author sgrekhov@unipro.ru


class A {
  final String s = "Lily was here";
  void foo() {}
}

class C<T extends A?> {
  T a;
  C(this.a);

  test() {
    a.s;
//   ^^
// [analyzer] unspecified
// [cfe] unspecified

    a.foo;
//   ^^^^
// [analyzer] unspecified
// [cfe] unspecified
  }
}

main() {
  C<A?> c = new C<A?>(new A());
  c.test();
}
